Mauthner membrane

Mauthner membrane

Medical dictionary. 2011.

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  • Mauthner cell — The Mauthner Cells are a pair of big and easily identifiable neurons (one for each half of the body) located in the rhombomere 4 of the hindbrain in fish and amphibians that are responsible for a very fast escape reflex (in the majority of… …   Wikipedia

  • Mauthner cell fiber membrane (sheath) — Mauth·ner cell, fiber, membrane (sheath) (moutґnər) [Ludwig Mauthner, Czech born Austrian ophthalmologist, 1840–1894] see under cell and fiber, and see axolemma …   Medical dictionary

  • Ludwig Mauthner — (April 13, 1840 October 20, 1894) was an Austrian neuroanatomist and ophthalmologist who was a native of Prague.He studied medicine at the University of Vienna, where he received his doctorate in 1861. In 1864 he was a privatdozent of… …   Wikipedia

  • axolemma — The plasma membrane of the axon. SYN: Mauthner sheath. [axo + G. lemma, husk] * * * axo·lem·ma ak sə .lem ə n the plasma membrane of an axon * * * n. the fine cell membrane, visible only under the electron microscope, that encloses the protoplasm …   Medical dictionary

  • Nervous system — Nerve redirects here. For other uses, see Nerve (disambiguation). This article is about the nervous system. For parts of the nervous system commonly called nerves, see Peripheral nerve. Nervous system The Human N …   Wikipedia

  • Chemical synapse — This article is about chemical synapses of the nervous system. For other uses, see Synapse (disambiguation). Illustration of the major elements in chemical synaptic transmission. An electrochemical wave called an action potential travels along… …   Wikipedia

  • SYNAPSES — Chaque neurone du système nerveux entre en contact avec un ou, le plus souvent, avec plusieurs autres neurones; on appelle synapse chacun des éléments, généralement nombreux, de l’ensemble des contacts ainsi réalisés. Le terme fut forgé en 1897… …   Encyclopédie Universelle

  • nervous system — Anat., Zool. 1. the system of nerves and nerve centers in an animal or human, including the brain, spinal cord, nerves, and ganglia. 2. a particular part of this system. Cf. autonomic nervous system, central nervous system, peripheral nervous… …   Universalium

  • NERVEUX (SYSTÈME) - Le tissu nerveux — De toutes les cellules formant chez les Vertébrés l’ébauche neurectoblastique du système nerveux (cf. EMBRYOLOGIE), une partie seulement donne des cellules nerveuses proprement dites, ou neurones. Les autres donneront les cellules de la névroglie …   Encyclopédie Universelle

  • sheath — 1. Any enveloping structure, such as the membranous covering of a muscle, nerve, or blood vessel. Any sheathlike structure. SYN: vagina (1). 2. The prepuce of male animals, especially of the horse. 3. A specially designed tu …   Medical dictionary

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