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Simple eye in invertebrates

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A simple eye (sometimes called a pigment pit) refers to a type of eye form or optical arrangement that contains a single lens. [1]

64 relations: Anatomical terms of location, Annual Reviews (publisher), Ant, Arthropod, Arthropod eye, Bee, Camera lens, Carybdeida, Circadian rhythm, Cnidaria, Compound eye, Cornea, Dachshund (gene), Damselfly, Dragonfly, Entrainment (chronobiology), Evolution of the eye, Eye, Eyespot apparatus, F-number, Film, Flea, Fly, Genes & Development, Grasshopper, Hexapoda, Holometabolism, Human eye, Hymenoptera, Insect, Journal of Comparative Physiology, Latin, Lens (anatomy), Lepidoptera, Locust, Mollusc eye, Myriapoda, Norbert Perrimon, Ocelloid, Odonata, Ontogeny, Orthodenticle, Orthoptera, Parietal eye, Pigment spot ocellus, Pupa, Retina, Rod cell, Sawfly, Springtail, ..., Strepsiptera, Strombidae, Taylor & Francis, Tenthredinidae, The Journal of Experimental Biology, The Journal of General Physiology, The Journal of Neuroscience, Thysanura, Tridacna, Ultraviolet, Unmanned aerial vehicle, Vision Research, Vitreous body, Wasp. Expand index (14 more) »

Anatomical terms of location

Standard anatomical terms of location deal unambiguously with the anatomy of animals, including humans.

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Annual Reviews (publisher)

Annual Reviews, located in Palo Alto California, Annual Reviews is a nonprofit publisher dedicated to synthesizing and integrating knowledge for the progress of science and the benefit of society.

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Ant

Ants are eusocial insects of the family Formicidae and, along with the related wasps and bees, belong to the order Hymenoptera.

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Arthropod

An arthropod (from Greek ἄρθρον arthron, "joint" and πούς pous, "foot") is an invertebrate animal having an exoskeleton (external skeleton), a segmented body, and paired jointed appendages.

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Arthropod eye

Apposition eyes are the most common form of eye, and are presumably the ancestral form of compound eye.

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Bee

Bees are flying insects closely related to wasps and ants, known for their role in pollination and, in the case of the best-known bee species, the European honey bee, for producing honey and beeswax.

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Camera lens

A camera lens (also known as photographic lens or photographic objective) is an optical lens or assembly of lenses used in conjunction with a camera body and mechanism to make images of objects either on photographic film or on other media capable of storing an image chemically or electronically.

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Carybdeida

Carybdeida is an order of box jellyfish.

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Christmas

Christmas is an annual festival commemorating the birth of Jesus Christ,Martindale, Cyril Charles.

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Christmas and holiday season

The Christmas season, also called the festive season, or the holiday season (mainly in the U.S. and Canada; often simply called the holidays),, is an annually recurring period recognized in many Western and Western-influenced countries that is generally considered to run from late November to early January.

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Christmas Eve

Christmas Eve is the evening or entire day before Christmas Day, the festival commemorating the birth of Jesus.

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Christmas traditions

Christmas traditions vary from country to country.

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Circadian rhythm

A circadian rhythm is any biological process that displays an endogenous, entrainable oscillation of about 24 hours.

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Cnidaria

Cnidaria is a phylum containing over 10,000 species of animals found exclusively in aquatic (freshwater and marine) environments: they are predominantly marine species.

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Compound eye

A compound eye is a visual organ found in arthropods such as insects and crustaceans.

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Cornea

The cornea is the transparent front part of the eye that covers the iris, pupil, and anterior chamber.

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Dachshund (gene)

dachshund is a gene involved in the development of the arthropod compound eye which also plays a role in leg development.

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Damselfly

Damselflies are insects of the suborder Zygoptera in the order Odonata.

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Dragonfly

A dragonfly is an insect belonging to the order Odonata, infraorder Anisoptera (from Greek ἄνισος anisos, "uneven" and πτερόν pteron, "wing", because the hindwing is broader than the forewing).

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Entrainment (chronobiology)

Entrainment, within the study of chronobiology, occurs when rhythmic physiological or behavioral events match their period to that of an environmental oscillation.

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Evolution of the eye

The evolution of the eye is attractive to study, because the eye distinctively exemplifies an analogous organ found in many animal forms.

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Eye

Eyes are organs of the visual system.

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Eyespot apparatus

The eyespot apparatus (or stigma) is a photoreceptive organelle found in the flagellate or (motile) cells of green algae and other unicellular photosynthetic organisms such as euglenids.

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F-number

The f-number of an optical system (such as a camera lens) is the ratio of the system's focal length to the diameter of the entrance pupil.

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Film

A film, also called a movie, motion picture, moving pícture, theatrical film, or photoplay, is a series of still images that, when shown on a screen, create the illusion of moving images.

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Flea

Fleas are small flightless insects that form the order Siphonaptera.

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Fly

True flies are insects of the order Diptera, the name being derived from the Greek δι- di- "two", and πτερόν pteron "wings".

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Genes & Development

Genes & Development is a peer-reviewed scientific journal covering molecular biology, molecular genetics, cell biology, and development.

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Grasshopper

Grasshoppers are insects of the suborder Caelifera within the order Orthoptera, which includes crickets and their allies in the other suborder Ensifera.

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Hexapoda

The subphylum Hexapoda (from the Greek for six legs) constitutes the largest number of species of arthropods and includes the insects as well as three much smaller groups of wingless arthropods: Collembola, Protura, and Diplura (all of these were once considered insects).

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Holometabolism

Holometabolism, also called complete metamorphosis, is a form of insect development which includes four life stages: egg, larva, pupa and imago or adult.

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Human eye

The human eye is an organ which reacts to light and pressure.

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Hymenoptera

Hymenoptera is a large order of insects, comprising the sawflies, wasps, bees, and ants.

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Insect

Insects or Insecta (from Latin insectum) are hexapod invertebrates and the largest group within the arthropod phylum.

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Journal of Comparative Physiology

Journal of Comparative Physiology was a journal that split into Journal of Comparative Physiology A and Journal of Comparative Physiology B in 1984.

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Latin

Latin (Latin: lingua latīna) is a classical language belonging to the Italic branch of the Indo-European languages.

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Lens (anatomy)

The lens is a transparent, biconvex structure in the eye that, along with the cornea, helps to refract light to be focused on the retina.

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Lepidoptera

Lepidoptera is an order of insects that includes butterflies and moths (both are called lepidopterans).

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Locust

Locusts are certain species of short-horned grasshoppers in the family Acrididae that have a swarming phase.

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Mollusc eye

The molluscs have the widest variety of eye morphologies of any phylum, and a large degree of variation in their function.

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Myriapoda

Myriapoda is a subphylum of arthropods containing millipedes, centipedes, and others.

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New Year

New Year is the time or day at which a new calendar year begins and the calendar's year count increments by one.

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New Year's Day

New Year's Day, also called simply New Year's or New Year, is observed on January 1, the first day of the year on the modern Gregorian calendar as well as the Julian calendar.

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New Year's Eve

In the Gregorian calendar, New Year's Eve (also known as Old Year's Day or Saint Sylvester's Day in many countries), the last day of the year, is on 31 December which is the seventh day of Christmastide.

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Norbert Perrimon

Norbert Perrimon (born October 24, 1958) is a geneticist and developmental biologist at Harvard Medical School.

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Ocelloid

An ocelloid is a subcellular structure found in the family Warnowiaceae (warnowiids), which are a members of a group of unicellular organisms known as dinoflagellates.

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Odonata

Odonata is an order of carnivorous insects, encompassing the dragonflies (Anisoptera) and the damselflies (Zygoptera).

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Ontogeny

Ontogeny (also ontogenesis or morphogenesis) is the origination and development of an organism, usually from the time of fertilization of the egg to the organism's mature form—although the term can be used to refer to the study of the entirety of an organism's lifespan.

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Orthodenticle

Orthodenticle is a homeobox gene involved in Drosophila head development.

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Orthoptera

Orthoptera is an order of insects that comprises the grasshoppers, locusts and crickets, including closely related insects such as the katydids and wetas.

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Parietal eye

A parietal eye, also known as a third eye or pineal eye, is a part of the epithalamus present in some animal species.

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Pigment spot ocellus

The pigment spot ocellus is an ocellus that contains only part of its cells pigmented.

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Pupa

A pupa (pūpa, "doll"; plural: pūpae) is the life stage of some insects undergoing transformation between immature and mature stages.

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Retina

The retina is the innermost, light-sensitive "coat", or layer, of shell tissue of the eye of most vertebrates and some molluscs.

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Rod cell

Rod cells are photoreceptor cells in the retina of the eye that can function in less intense light than the other type of visual photoreceptor, cone cells.

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Sawfly

Sawflies are the insects of the suborder Symphyta within the order Hymenoptera alongside ants, bees and wasps.

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Springtail

Springtails (Collembola) form the largest of the three lineages of modern hexapods that are no longer considered insects (the other two are the Protura and Diplura).

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Strepsiptera

The Strepsiptera (translation: "twisted wing"', giving rise to the insects' common name, twisted-wing parasites) are an endopterygote order of insects with nine extant families making up about 600 species.

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Strombidae

Strombidae, commonly known as the true conchs, is a taxonomic family of medium-sized to very large sea snails in the superfamily Stromboidea.

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Taylor & Francis

Taylor & Francis Group is an international company originating in England that publishes books and academic journals.

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Tenthredinidae

Tenthredinidae is the largest family of sawflies, with well over 7,500 species worldwide, divided into 430 genera.

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The Journal of Experimental Biology

The Journal of Experimental Biology is a peer-reviewed scientific journal in the field of comparative physiology and integrative biology.

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The Journal of General Physiology

Journal of General Physiology is a peer-reviewed scientific journal published by Rockefeller University Press.

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The Journal of Neuroscience

The Journal of Neuroscience is a weekly peer-reviewed scientific journal published by the Society for Neuroscience.

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Thysanura

Thysanura is the now deprecated name of what for over a century was recognised as an order in the class Insecta.

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Tridacna

Tridacna is a genus of large saltwater clams, marine bivalve mollusks in the subfamily Tridacninae, the giant clams.

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Ultraviolet

Ultraviolet (UV) is electromagnetic radiation with a wavelength from 10 nm to 400 nm, shorter than that of visible light but longer than X-rays.

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Unmanned aerial vehicle

An unmanned aerial vehicle (UAV), commonly known as a drone, is an aircraft without a human pilot aboard.

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Vision Research

Vision Research is a peer-reviewed scientific journal specializing in the neuroscience and psychology of the visual system of humans and other animals.

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Vitreous body

The vitreous body is the clear gel that fills the space between the lens and the retina of the eyeball of humans and other vertebrates.

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Wasp

A wasp is any insect of the order Hymenoptera and suborder Apocrita that is neither a bee nor an ant.

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2018

2018 has been designated as the third International Year of the Reef by the International Coral Reef Initiative.

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2019

2019 (MMXIX) will be a common year starting on Tuesday of the Gregorian calendar, the 2019th year of the Common Era (CE) and Anno Domini (AD) designations, the 19th year of the 3rd millennium, the 19th year of the 21st century, and the 10th and last year of the 2010s decade.

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Redirects here:

Camera eye, Invertebrate photo receptor, Invertebrate photoreceptor, Ocellate, Ocelli, Ocellus, Pigment Pits, Pigment pit, Pigment pits, Simple eyes, Simple eyes in arthropods, Simple eyes in invertebrates, Stemmas, Stemmata.

References

[1] https://en.wikipedia.org/wiki/Simple_eye_in_invertebrates

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