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):
Opening through which water exits from branchial chamber under carapace. Typically applied to more restricted opening in crab-like (brachyuran) decapod; located anteriorly on each side of endostome. (Syn. efferent branchial channel) [Stachowitsch, 1992].

Crustacea glossary. . 2011.

Look at other dictionaries:

  • 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

  • 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

  • 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

  • Lymphoid system — Lymphatic drainage redirects here. For the massage technique, see Manual lymphatic drainage. Lymphoid System An image displaying the lymphoid system. Latin …   Wikipedia

  • Neuromodulation — In Neuromodulation several classes of neurotransmitters regulate diverse populations of central nervous system neurons (one neuron uses different neurotransmitters to connect to several neurons). This is in contrast to direct synaptic… …   Wikipedia

  • 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

  • duct — A tubular structure giving exit to the secretion of a gland or organ, capable of conducting fluid. SEE ALSO: canal. SYN: ductus [TA]. [L. duco, pp. ductus, to lead] aberrant ducts SYN: aberrant ductules, under ductule …   Medical dictionary

  • sensory reception, human — Introduction  means by which humans react to changes in external and internal environments.   Ancient philosophers called the human senses “the windows of the soul,” and Aristotle described at least five senses sight, hearing, smell, taste, and… …   Universalium

  • Outline of neuroscience — The following outline is provided as an overview of and topical guide to neuroscience: Neuroscience – an interdisciplinary science that studies the nervous system.[1] Contents 1 Nervous system 1.1 Central nervous system …   Wikipedia

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”