efferent branchial channels
Pair of channels between ridges, venting branchial cavity and opening lateral to endostome (some Brachyura) [Poore, 2004].

Crustacea glossary. . 2011.

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  • efferent respiratory channels — Channels through which water passes from the gills and which open at the dorso external (in the Brachyrhyncha) or at the middle (in the Oxyrhyncha) of the endostome margin. (Syn. efferent branchial channels) [Ingle, 1980]. (Order Decapoda):… …   Crustacea glossary

  • efferent channels — Channels through which water passes from gills. Openings at sides of endostome, except in Section Oxystomata in which they open at middle of endostome [Williams, 1984]. Passageways through which water moves away from gills and out of branchial… …   Crustacea glossary

  • efferent channels — (ARTHROPODA: Crustacea) Passageways through which water moves away from gills and out of the branchial region …   Dictionary of invertebrate zoology

  • afferent respiratory channel(s) — Channels through which water passes to the gills, that open in front of the chelipeds and behind the pterygostomial region except in some oxystomata where they open at the sides of the endostome. (Syn. afferent branchial channels) [Ingle, 1980].… …   Crustacea glossary

  • 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

  • human embryology — ▪ biology Introduction       the process encompassing the period from the formation of an embryo, through the development of a fetus, to birth.       The human body, like that of most animals, develops from a single cell produced by the union of… …   Universalium

  • nervous system, human — ▪ anatomy Introduction       system that conducts stimuli from sensory receptors to the brain and spinal cord and that conducts impulses back to other parts of the body. As with other higher vertebrates, the human nervous system has two main… …   Universalium

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