visceral nerve — noun : a nerve supplying viscera; specifically : any of the nerves forming the visceral loop of a mollusk … Useful english dictionary
mollusk — molluskan, molluscan /meuh lus keuhn/, adj., n. mollusklike, adj. /mol euhsk/, n. any invertebrate of the phylum Mollusca, typically having a calcareous shell of one, two, or more pieces that wholly or partly enclose the soft, unsegmented body,… … Universalium
chiastoneury — n. [Gr. chiasma, cross; neuron, nerve] (MOLLUSCA) In prosobranchs and a few other taxa, a condition in which the visceral loop is distinctively twisted; crossing of the visceral connectives; streptoneury; chiastoneural a; see orthneury,… … Dictionary of invertebrate zoology
orthoneury — n. [Gr. orthos, straight; neuron, nerve] (MOLLUSCA: Gastropoda) In forms with bilateral zygoneury, the condition of the visceral loop ganglia and crossed connectives indicating earlier streptoneury are still evident though sometimes reduced; see… … Dictionary of invertebrate zoology
Nephron — For the drug with trade name Nephron, see Epinephrine. Nephron Nephron of the kidney without juxtaglomerular apparatus Latin nephroneum Gray s … Wikipedia
Nerve — A bundle of fibers that uses electrical and chemical signals to transmit sensory and motor information from one body part to another. See nervous system. * * * A whitish cordlike structure composed of one or more bundles (fascicles) of myelinated … Medical dictionary
syndrome — The aggregate of symptoms and signs associated with any morbid process, and constituting together the picture of the disease. SEE ALSO: disease. [G. s., a running together, tumultuous concourse; (in med.) a concurrence of symptoms, fr. syn,… … Medical dictionary
Henry Head — Infobox Scientist name = Sir Henry Head box width = image width = caption =Photograph of Head c. 1895 birth date =birth date|1861|8|4 birth place =Stoke Newington, London Borough of Hackney death date =death date and age|1940|10|8|1861|8|4 death… … Wikipedia
system — 1. [TA] A consistent and complex whole made up of correlated and semiindependent parts. A complex of functionally related anatomic structures. 2. The entire organism seen as a complex organization of parts. 3. Any complex of structures… … Medical dictionary
lamp shells — ▪ animal Introduction also called brachiopod, any member of the phylum Brachiopoda, a group of bottom dwelling marine invertebrates. They are covered by two valves, or shells; one valve covers the dorsal, or top, side; the other covers… … Universalium