branchial heart


branchial heart
(MOLLUSCA: Cephalopoda)
One of two hearts that pumps blood to the gills of squid.

Online Dictionary of Invertebrate Zoology. . 2005.

Look at other dictionaries:

  • branchial heart — noun : a muscular enlargement of a vein of a cephalopod that contracts and drives the blood into the gills …   Useful english dictionary

  • Squid — Taxobox name = Squid image width = 220px image caption = Mastigoteuthis flammea A species of whip lash squid regnum = Animalia phylum = Mollusca classis = Cephalopoda subclassis = Coleoidea superordo = Decapodiformes ordo = Teuthida ordo… …   Wikipedia

  • precava — n. superior vena cava, large vein which carries blood from the upper section of the body (head, neck, thorax and armst) to the right atrium of heart (Medicine); any one of a pair of veins passing through the kidney to the branchial heart in… …   English contemporary dictionary

  • precavae — n. superior vena cava, large vein which carries blood from the upper section of the body (head, neck, thorax and armst) to the right atrium of heart (Medicine); any one of a pair of veins passing through the kidney to the branchial heart in… …   English contemporary dictionary

  • eptatretin — a potent cardio stimulant obtained from the branchial heart of Eptatretus stouti (Myxinidae). The substance is reported to be a highly unstable aromatic amine …   Dictionary of ichthyology

  • coloration — colorational, adj. colorationally, adv. /kul euh ray sheuhn/, n. appearance with regard to color arrangement or use of colors; coloring: the bold coloration of some birds. [1605 15; COLOR + ATION] * * * ▪ biology Introduction       in biology,… …   Universalium

  • precava — precaval, adj. /pree kay veuh, kah /, n., pl. precavae / kay vee, kah vuy/. 1. See under vena cava. 2. (in squids) either of a pair of veins that pass through the kidney to the branchial heart. [1865 70; PRE + (VENA) CAVA] * * * …   Universalium

  • eptatretin — ep·ta·tre·tin (ep″tə treґtin) a potent cardiostimulant obtained from the branchial heart of the Pacific hagfish Eptatretus stouti and reported to be a highly unstable aromatic amine. Its chemical structure has not been fully defined,… …   Medical dictionary

  • HAND2 — Heart and neural crest derivatives expressed 2, also known as HAND2, is a human gene.cite web | title = Entrez Gene: HAND2 heart and neural crest derivatives expressed 2| url = http://www.ncbi.nlm.nih.gov/sites/entrez?Db=gene Cmd=ShowDetailView… …   Wikipedia

  • circulation — circulable /serr kyeuh leuh beuhl/, adj. /serr kyeuh lay sheuhn/, n. 1. an act or instance of circulating, moving in a circle or circuit, or flowing. 2. the continuous movement of blood through the heart and blood vessels, which is maintained… …   Universalium


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