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94 relations: Abdomen, Abdominal cavity, Altricial, Australia, Bandicoot, Bird, Bottlenose dolphin, Calorie, Canidae, Canine penis, Canine reproduction, Cervix, Chemotaxis, Chorionic villi, Choriovitelline placenta, Cladistics, Cloaca, Coyote, DNA mismatch repair, Dog behavior, Dolphin, Domestic sheep reproduction, Echidna, Egg, Egg cell, Ejaculation, Embryo, Embryogenesis, Epididymis, Epipubic bone, Equine anatomy, Estrous cycle, Eutheria, Fallopian tube, Fertilisation, Flagellum, Gametogenesis, Gestation, Giraffe, Golden jackal, Gray wolf, Hamster, Hominidae, Homologous recombination, Human reproduction, Implantation (human embryo), Infant, Kangaroo, Lion, List of mammalian gestation durations, ..., Mammal, Mammary gland, Marsupial, Menstrual cycle, Mitosis, Monotreme, Morphogenesis, New Guinea, Nipple, Nutrient, Nutrition, Oogenesis, Origin and function of meiosis, Ovary, Penile sheath, Pinniped, Placenta, Placentalia, Platypus, Pouch (marsupial), Precocial, Pregnancy (mammals), Puggle, Raccoon, Reproductive system, Respiration (physiology), Rut (mammalian reproduction), Science Daily, Sex chromosome, Sex-determination system, Sexual maturity, Spermatogenesis, Spermatozoon, Spotted hyena, Testicle, Theria, Thermoregulation, Thermotaxis, Umbilical cord, Uterus, Vagina, Vitamin, Viviparity, Zygote. Expand index (44 more) »
Abdomen
The abdomen (less formally called the belly, stomach, tummy or midriff) constitutes the part of the body between the thorax (chest) and pelvis, in humans and in other vertebrates.
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Abdominal cavity
The abdominal cavity is a large body cavity in humans and many other animals that contains many organs.
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Altricial
In biology, altricial species are those in which the young are incapable of moving around on their own soon after hatching or being born.
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Australia
Australia, officially the Commonwealth of Australia, is a sovereign country comprising the mainland of the Australian continent, the island of Tasmania and numerous smaller islands.
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Bandicoot
Bandicoot are a group of about 20 species of small to medium-sized, terrestrial marsupial omnivore in the order Peramelemorphia.
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Bird
Birds, also known as Aves, are a group of endothermic vertebrates, characterised by feathers, toothless beaked jaws, the laying of hard-shelled eggs, a high metabolic rate, a four-chambered heart, and a strong yet lightweight skeleton.
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Bottlenose dolphin
Bottlenose dolphins, the genus Tursiops, are the most common members of the family Delphinidae, the family of oceanic dolphin.
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Calorie
A calorie is a unit of energy.
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Canidae
The biological family Canidae (from Latin, canis, “dog”) is a lineage of carnivorans that includes domestic dogs, wolves, coyotes, foxes, jackals, dingoes, and many other extant and extinct dog-like mammals.
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Canine penis
Male canids have a bulbus glandis at the base of their penises.
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Canine reproduction
Canine reproduction is the process of sexual reproduction in domestic dogs.
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Cervix
The cervix or cervix uteri (neck of the uterus) is the lower part of the uterus in the human female reproductive system.
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Chemotaxis
Chemotaxis (from chemo- + taxis) is the movement of an organism in response to a chemical stimulus.
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Chorionic villi
Chorionic villi are villi that sprout from the chorion to provide maximum contact area with maternal blood.
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Choriovitelline placenta
A choriovitelline placenta is a placenta formed by the yolk sac and chorion.
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Cladistics
Cladistics (from Greek κλάδος, cládos, i.e., "branch") is an approach to biological classification in which organisms are categorized in groups ("clades") based on the most recent common ancestor.
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Cloaca
In animal anatomy, a cloaca (plural cloacae or) is the posterior orifice that serves as the only opening for the digestive, reproductive, and urinary tracts (if present) of many vertebrate animals, opening at the vent.
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Coyote
The coyote (Canis latrans); from Nahuatl) is a canine native to North America. It is smaller than its close relative, the gray wolf, and slightly smaller than the closely related eastern wolf and red wolf. It fills much of the same ecological niche as the golden jackal does in Eurasia, though it is larger and more predatory, and is sometimes called the American jackal by zoologists. The coyote is listed as least concern by the International Union for Conservation of Nature due to its wide distribution and abundance throughout North America, southwards through Mexico, and into Central America. The species is versatile, able to adapt to and expand into environments modified by humans. It is enlarging its range, with coyotes moving into urban areas in the Eastern U.S., and was sighted in eastern Panama (across the Panama Canal from their home range) for the first time in 2013., 19 coyote subspecies are recognized. The average male weighs and the average female. Their fur color is predominantly light gray and red or fulvous interspersed with black and white, though it varies somewhat with geography. It is highly flexible in social organization, living either in a family unit or in loosely knit packs of unrelated individuals. It has a varied diet consisting primarily of animal meat, including deer, rabbits, hares, rodents, birds, reptiles, amphibians, fish, and invertebrates, though it may also eat fruits and vegetables on occasion. Its characteristic vocalization is a howl made by solitary individuals. Humans are the coyote's greatest threat, followed by cougars and gray wolves. In spite of this, coyotes sometimes mate with gray, eastern, or red wolves, producing "coywolf" hybrids. In the northeastern United States and eastern Canada, the eastern coyote (a larger subspecies, though still smaller than wolves) is the result of various historical and recent matings with various types of wolves. Genetic studies show that most North American wolves contain some level of coyote DNA. The coyote is a prominent character in Native American folklore, mainly in the Southwestern United States and Mexico, usually depicted as a trickster that alternately assumes the form of an actual coyote or a man. As with other trickster figures, the coyote uses deception and humor to rebel against social conventions. The animal was especially respected in Mesoamerican cosmology as a symbol of military might. After the European colonization of the Americas, it was reviled in Anglo-American culture as a cowardly and untrustworthy animal. Unlike wolves (gray, eastern, or red), which have undergone an improvement of their public image, attitudes towards the coyote remain largely negative.
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DNA mismatch repair
DNA mismatch repair (MMR) is a system for recognizing and repairing erroneous insertion, deletion, and mis-incorporation of bases that can arise during DNA replication and recombination, as well as repairing some forms of DNA damage.
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Dog behavior
Dog behavior is the internally coordinated responses of individuals or groups of domestic dogs to internal and external stimuli.
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Dolphin
Dolphins are a widely distributed and diverse group of aquatic mammals.
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Domestic sheep reproduction
As with other mammals, domestic sheep reproduction occurs sexually.
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Echidna
Echidnas, sometimes known as spiny anteaters, belong to the family Tachyglossidae in the monotreme order of egg-laying mammals.
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Egg
An egg is the organic vessel containing the zygote in which an animal embryo develops until it can survive on its own; at which point the animal hatches.
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Egg cell
The egg cell, or ovum (plural ova), is the female reproductive cell (gamete) in oogamous organisms.
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Ejaculation
Ejaculation is the discharge of semen (normally containing sperm) from the male reproductory tract, usually accompanied by orgasm.
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Embryo
An embryo is an early stage of development of a multicellular diploid eukaryotic organism.
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Embryogenesis
Embryogenesis is the process by which the embryo forms and develops.
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Epididymis
The epididymis (plural: epididymides or) is a tube that connects a testicle to a vas deferens in the male reproductive system.
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Epipubic bone
Epipubic bones are a pair of bones projecting forward from the pelvic bones of modern marsupials and most non-placental fossil mammals: multituberculates, monotremes, and even basal eutherians (the ancestors of placental mammals).
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Equine anatomy
Equine anatomy refers to the gross and microscopic anatomy of horses and other equids, including donkeys, and zebras.
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Estrous cycle
The estrous cycle or oestrus cycle (derived from Latin oestrus 'frenzy', originally from Greek οἶστρος oîstros 'gadfly') is the recurring physiological changes that are induced by reproductive hormones in most mammalian therian females.
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Eutheria
Eutheria (from Greek εὐ-, eu- "good" or "right" and θηρίον, thēríon "beast" hence "true beasts") is one of two mammalian clades with extant members that diverged in the Early Cretaceous or perhaps the Late Jurassic.
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Fallopian tube
The Fallopian tubes, also known as uterine tubes or salpinges (singular salpinx), are two very fine tubes lined with ciliated epithelia, leading from the ovaries of female mammals into the uterus, via the uterotubal junction.
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Fertilisation
Fertilisation or fertilization (see spelling differences), also known as generative fertilisation, conception, fecundation, syngamy and impregnation, is the fusion of gametes to initiate the development of a new individual organism.
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Flagellum
A flagellum (plural: flagella) is a lash-like appendage that protrudes from the cell body of certain bacterial and eukaryotic cells.
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Gametogenesis
Gametogenesis is a biological process by which diploid or haploid precursor cells undergo cell division and differentiation to form mature haploid gametes.
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Gestation
Gestation is the carrying of an embryo or fetus inside viviparous animals.
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Giraffe
The giraffe (Giraffa) is a genus of African even-toed ungulate mammals, the tallest living terrestrial animals and the largest ruminants.
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Golden jackal
The golden jackal (Canis aureus) is a wolf-like canid that is native to Southeast Europe, Southwest Asia, South Asia, and regions of Southeast Asia.
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Gray wolf
The gray wolf (Canis lupus), also known as the timber wolf,Paquet, P. & Carbyn, L. W. (2003).
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Hamster
Hamsters are rodents (order Rodentia) belonging to the subfamily Cricetinae, which contains about 25 species classified in six or seven genera.
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Hominidae
The Hominidae, whose members are known as great apes or hominids, are a taxonomic family of primates that includes eight extant species in four genera: Pongo, the Bornean, Sumatran and Tapanuli orangutan; Gorilla, the eastern and western gorilla; Pan, the common chimpanzee and the bonobo; and Homo, which includes modern humans and its extinct relatives (e.g., the Neanderthal), and ancestors, such as Homo erectus.
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Homologous recombination
Homologous recombination is a type of genetic recombination in which nucleotide sequences are exchanged between two similar or identical molecules of DNA.
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Human reproduction
Human reproduction is any form of sexual reproduction resulting in human fertilization, typically involving sexual intercourse between a man and a woman.
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Implantation (human embryo)
In humans, implantation is the stage of pregnancy at which the already fertilized egg adheres to the wall of the uterus.
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Infant
An infant (from the Latin word infans, meaning "unable to speak" or "speechless") is the more formal or specialised synonym for "baby", the very young offspring of a human.
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Kangaroo
The kangaroo is a marsupial from the family Macropodidae (macropods, meaning "large foot").
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Lion
The lion (Panthera leo) is a species in the cat family (Felidae).
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List of mammalian gestation durations
No description.
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Mammal
Mammals are the vertebrates within the class Mammalia (from Latin mamma "breast"), a clade of endothermic amniotes distinguished from reptiles (including birds) by the possession of a neocortex (a region of the brain), hair, three middle ear bones, and mammary glands.
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Mammary gland
A mammary gland is an exocrine gland in mammals that produces milk to feed young offspring.
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Marsupial
Marsupials are any members of the mammalian infraclass Marsupialia.
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Menstrual cycle
The menstrual cycle is the regular natural change that occurs in the female reproductive system (specifically the uterus and ovaries) that makes pregnancy possible.
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Mitosis
In cell biology, mitosis is a part of the cell cycle when replicated chromosomes are separated into two new nuclei.
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Monotreme
Monotremes are one of the three main groups of living mammals, along with placentals (Eutheria) and marsupials (Metatheria).
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Morphogenesis
Morphogenesis (from the Greek morphê shape and genesis creation, literally, "beginning of the shape") is the biological process that causes an organism to develop its shape.
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New Guinea
New Guinea (Nugini or, more commonly known, Papua, historically, Irian) is a large island off the continent of Australia.
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Nipple
The nipple is a raised region of tissue on the surface of the breast from which milk leaves the breast through the lactiferous ducts.
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Nutrient
A nutrient is a substance used by an organism to survive, grow, and reproduce.
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Nutrition
Nutrition is the science that interprets the interaction of nutrients and other substances in food in relation to maintenance, growth, reproduction, health and disease of an organism.
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Oogenesis
Oogenesis, ovogenesis, or oögenesis is the differentiation of the ovum (egg cell) into a cell competent to further development when fertilized.
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Origin and function of meiosis
The origin and function of meiosis are fundamental to understanding the evolution of sexual reproduction in eukaryotes.
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Ovary
The ovary is an organ found in the female reproductive system that produces an ovum.
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Penile sheath
Almost all mammal penises have foreskins or prepuce, although in non-human cases the foreskin is usually a sheath (sometimes called the preputial sheath or penile sheath) into which the whole penis is retracted.
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Pinniped
Pinnipeds, commonly known as seals, are a widely distributed and diverse clade of carnivorous, fin-footed, semiaquatic marine mammals.
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Placenta
The placenta is an organ that connects the developing fetus to the uterine wall to allow nutrient uptake, thermo-regulation, waste elimination, and gas exchange via the mother's blood supply; to fight against internal infection; and to produce hormones which support pregnancy.
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Placentalia
Placentalia ("Placentals") is one of the three extant subdivisions of the class of animals Mammalia; the other two are Monotremata and Marsupialia.
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Platypus
The platypus (Ornithorhynchus anatinus), sometimes referred to as the duck-billed platypus, is a semiaquatic egg-laying mammal endemic to eastern Australia, including Tasmania.
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Pouch (marsupial)
The pouch is a distinguishing feature of female marsupials (and rarely in the males as in the water opossumNogueira, José Carlos, et al. "" Journal of mammalogy 85.5 (2004): 834-841. and the extinct thylacine); the name marsupial is derived from the Latin marsupium, meaning "pouch".
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Precocial
In biology, precocial species are those in which the young are relatively mature and mobile from the moment of birth or hatching.
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Pregnancy (mammals)
In mammals, pregnancy is the period of reproduction during which a female carries one or more live offspring from implantation in the uterus through gestation.
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Puggle
Puggle is the name for a crossbreed dog with a Beagle parent and a Pug parent.
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Raccoon
The raccoon (or, Procyon lotor), sometimes spelled racoon, also known as the common raccoon, North American raccoon, or northern raccoon, is a medium-sized mammal native to North America.
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Reproductive system
The reproductive system or genital system is a system of sex organs within an organism which work together for the purpose of sexual reproduction.
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Respiration (physiology)
In physiology, respiration is defined as the movement of oxygen from the outside environment to the cells within tissues, and the transport of carbon dioxide in the opposite direction.
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Rut (mammalian reproduction)
The rut, derived from the Latin rugire (meaning "to roar"), is the mating season of mammals which includes ruminant animals such as deer, sheep, camels, goats, pronghorns, bison, giraffes and antelopes but extends to others such as skunks and elephants.
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Science Daily
Science Daily is an American website that aggregates press releases and publishes lightly edited press releases (a practice called churnalism) about science, similar to Phys.org and EurekAlert!.
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Sex chromosome
An allosome (also referred to as a sex chromosome, heterotypical chromosome, heterochromosome, or idiochromosome) is a chromosome that differs from an ordinary autosome in form, size, and behavior.
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Sex-determination system
A sex-determination system is a biological system that determines the development of sexual characteristics in an organism.
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Sexual maturity
Sexual maturity is the capability of an organism to reproduce.
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Spermatogenesis
Spermatogenesis is the process by which haploid spermatozoa develop from germ cells in the seminiferous tubules of the testis.
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Spermatozoon
A spermatozoon (pronounced, alternate spelling spermatozoön; plural spermatozoa; from σπέρμα "seed" and ζῷον "living being") is a motile sperm cell, or moving form of the haploid cell that is the male gamete.
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Spotted hyena
The spotted hyena (Crocuta crocuta), also known as the laughing hyena, is a species of hyena, currently classed as the sole member of the genus Crocuta, native to Sub-Saharan Africa.
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Testicle
The testicle or testis is the male reproductive gland in all animals, including humans.
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Theria
Theria (Greek: θηρίον, wild beast) is a subclass of mammals amongst the Theriiformes (the sister taxa to Yinotheria).
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Thermoregulation
Thermoregulation is the ability of an organism to keep its body temperature within certain boundaries, even when the surrounding temperature is very different.
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Thermotaxis
Thermotaxis is a behavior in which an organism directs its locomotion up or down a gradient of temperature.
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Umbilical cord
In placental mammals, the umbilical cord (also called the navel string, birth cord or funiculus umbilicalis) is a conduit between the developing embryo or fetus and the placenta.
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Uterus
The uterus (from Latin "uterus", plural uteri) or womb is a major female hormone-responsive secondary sex organ of the reproductive system in humans and most other mammals.
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Vagina
In mammals, the vagina is the elastic, muscular part of the female genital tract.
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Vitamin
A vitamin is an organic molecule (or related set of molecules) which is an essential micronutrient - that is, a substance which an organism needs in small quantities for the proper functioning of its metabolism - but cannot synthesize it (either at all, or in sufficient quantities), and therefore it must be obtained through the diet.
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Viviparity
Among animals, viviparity is development of the embryo inside the body of the parent, eventually leading to live birth, as opposed to reproduction by laying eggs that complete their incubation outside the parental body.
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Zygote
A zygote (from Greek ζυγωτός zygōtos "joined" or "yoked", from ζυγοῦν zygoun "to join" or "to yoke") is a eukaryotic cell formed by a fertilization event between two gametes.
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References
[1] https://en.wikipedia.org/wiki/Mammalian_reproduction
