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The terminal nerve, or cranial nerve zero, was discovered by German scientist Gustav Fritsch in 1878 in the brains of sharks. [1]

27 relations: Anatomy, Autopsy, Brain, Cranial nerves, Cribriform plate, Dissection, Gustav Fritsch, Human, Human sexual activity, Lamina terminalis, Mammal, Myelin, Nerve fascicle, Olfactory bulb, Olfactory nerve, Olfactory trigone, Peripheral nervous system, Pheromone, Plexus, Preoptic area, Septal nuclei, Shark, Straight gyrus, Subarachnoid space, Vestigiality, Vomeronasal organ, Zebrafish.


Anatomy is the branch of biology concerned with the study of the structure of organisms and their parts.

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An autopsy—also known as a post-mortem examination, necropsy, autopsia cadaverum, or obduction—is a highly specialized surgical procedure that consists of a thorough examination of a corpse to determine the cause and manner of death and to evaluate any disease or injury that may be present.

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The brain is an organ that serves as the center of the nervous system in all vertebrate and most invertebrate animals.

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Cranial nerves

Cranial nerves are the nerves that emerge directly from the brain (including the brainstem), in contrast to spinal nerves (which emerge from segments of the spinal cord).

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Cribriform plate

The cribriform plate of the ethmoid bone (horizontal lamina) is received into the ethmoidal notch of the frontal bone and roofs in the nasal cavities.

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Dissection (from Latin dissecare "to cut to pieces"; also called anatomization, from Greek anatomia, from ana- "up" and temnein "to cut") is the process of disassembling and observing something to determine its internal structure and as an aid to discerning the functions and relationships of its components.

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Gustav Fritsch

Gustav Theodor Fritsch (5 March 1838 – 12 June 1927) was a German anatomist, anthropologist, traveller and physiologist from Cottbus.

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Modern humans (Homo sapiens, primarily ssp. Homo sapiens sapiens) are the only extant members of the hominin clade (or human clade), a branch of the great apes; they are characterized by erect posture and bipedal locomotion, manual dexterity and increased tool use, and a general trend toward larger, more complex brains and societies.

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Human sexual activity

Human sexual activity, human sexual practice or human sexual behavior is the manner in which humans experience and express their sexuality.

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Lamina terminalis

The median portion of the wall of the fore-brain vesicle consists of a thin lamina, the lamina terminalis, which stretches from the Interventricular foramen (Foramen of Monro) to the recess at the base of the optic stalk and contains the organum vasculosum of the lamina terminalis, which regulates the osmolarity of the blood.

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Mammals (class Mammalia from Latin mamma "breast") are any members of a clade of endothermic amniotes distinguished from reptiles and birds by the possession of hair, three middle ear bones, mammary glands, and a neocortex (a region of the brain).

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Myelin is a fatty white substance that surrounds the axon dielectric (electrically insulating) material that forms a layer, the myelin sheath, usually around only the axon of a neuron.

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Nerve fascicle

A nerve fascicle or fasciculus is a small bundle of nerve fibers, enclosed by the perineurium; if the nerve is of small size, it may consist only of a single fasciculus; but if large, the fasciculi are collected together into larger bundles or funiculi, which are bound together in a common membranous investment.

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Olfactory bulb

The olfactory bulb (bulbus olfactorius) is a neural structure of the vertebrate forebrain involved in olfaction, or the sense of smell.

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Olfactory nerve

The olfactory nerve (Nervus olfactorius) is typically considered the first cranial nerve, or simply CN I. It transmits impulses that convey sense of smell.

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Olfactory trigone

The olfactory trigone is a small triangular area in front of the anterior perforated substance.

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Peripheral nervous system

The peripheral nervous system (PNS) is the part of the nervous system that consists of the nerves and ganglia outside of the brain and spinal cord.

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A pheromone (from Ancient Greek φέρω phero "to bear" and hormone, from Ancient Greek ὁρμή "impetus") is a secreted or excreted chemical factor that triggers a social response in members of the same species.

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A plexus (from the Latin for "braid") is a branching network of vessels or nerves.

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Preoptic area

The preoptic area (also called POA) is a region of the hypothalamus.

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Septal nuclei

The septal nuclei (medial olfactory area) are a set of structures that lie below the rostrum of the corpus callosum, anterior to the lamina terminalis (the layer of gray matter in the brain connecting the optic chiasma and the anterior commissure where the latter becomes continuous with the rostral lamina).

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Sharks are a group of fish characterized by a cartilaginous skeleton, five to seven gill slits on the sides of the head, and pectoral fins that are not fused to the head.

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Straight gyrus

The portion of the frontal lobe medial to the medial orbital gyrus and olfactory tract is named the straight gyrus,(or gyrus rectus) and is continuous with the superior frontal gyrus on the medial surface.

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Subarachnoid space

In the central nervous system, the subarachnoid space (subarachnoid cavity) is the anatomic space between the arachnoid mater and the pia mater.

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Vestigiality refers to genetically determined structures or attributes that have apparently lost most or all of their ancestral function in a given species, but have been retained during the process of evolution.

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Vomeronasal organ

The vomeronasal organ (VNO), or the Jacobson's organ, is an auxiliary olfactory sense organ that is found in many animals.

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The zebrafish (Danio rerio) is a tropical freshwater fish belonging to the minnow family (Cyprinidae) of the order Cypriniformes.

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0 nerve, CN 0, CN0, Cn0, Crainal nerve 0, Cranial nerve 0, Cranial nerve 13, Cranial nerve XIII, Cranial nerve n, Cranial nerve thirteen, Cranial nerve zero, Nerve 0, Nerve 13, Nerve thirteen, Nerve zero, Nervus terminalis, Preoptic nerve, Zero nerve.


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

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