efferent channels — (ARTHROPODA: Crustacea) Passageways through which water moves away from gills and out of the branchial region … Dictionary of invertebrate zoology
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 branchial channels — Pair of channels between ridges, venting branchial cavity and opening lateral to endostome (some Brachyura) [Poore, 2004] … Crustacea glossary
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
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
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
renal system — ▪ anatomy Introduction in humans (human body), organ system that includes the kidneys, where urine is produced, and the ureters, bladder, and urethra for the passage, storage, and voiding of urine. In many respects the human excretory, or… … Universalium
Neuron — This article is about cells in the nervous system. For other uses, see Neuron (disambiguation). Brain cell redirects here. For other uses, see Glial cell. Neuron: Nerve Cell … Wikipedia
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
Hair cell — For hair cells on the external skin, see Hair follicle. For algal hair cells , see Trichocyte (disambiguation). Neuron: Hair cell Section through the spiral organ of Corti. Magnified. ( Oute … Wikipedia