- abdominal pore
- noun
: an excretory usually paired aperture opening within or behind the cloacal region in many fishes and affording communication between the abdominal cavity and the exterior
Useful english dictionary. 2012.
abdominal pore
Look at other dictionaries:
abdominal pore — an external aperture near the vent communicating with the abdominal cavity. Found in Cyclostomata, Elasmobranchii, and in some Teleostomi, e.g. Salmonidae … Dictionary of ichthyology
copulatory pore — (Subclass Copepoda): In female reprductive system, pore on ventral surface (sternite) of first abdominal segment (genital somite). Opens into seminal receptacle and thus represents, along with two gonopores, third opening of reproductive system… … Crustacea glossary
reproductive system, animal — Introduction any of the organ systems by which animals reproduce. The role of reproduction is to provide for the continued existence of a species; it is the process by which living organisms duplicate themselves. Animals compete with… … Universalium
CÉPHALOCORDÉS — On désigne communément sous le nom d’Amphioxus, car ils sont pointus aux deux extrémités, des animaux marins de petite taille dont l’organisation comporte plusieurs traits fondamentaux que l’on retrouve chez les Vertébrés: le pharynx est perforé… … Encyclopédie Universelle
apterygote — /ap ter i goht , ap teuhr /, adj. belonging or pertaining to the Apterygota, a subclass of primitive wingless insects that undergo little or no metamorphosis. Also, apterygotous /ap ter i goh teuhs/. [ < NL Apterygota name of the subclass, equiv … Universalium
stoma — 1. A minute opening or pore. 2. An artificial opening between two cavities or canals, or between such and the surface of the body. [G. a mouth] Fuchs stomas small depression on the surface of the iris near the margin … Medical dictionary
crustacean — /kru stay sheuhn/, n. 1. any chiefly aquatic arthropod of the class Crustacea, typically having the body covered with a hard shell or crust, including the lobsters, shrimps, crabs, barnacles, and wood lice. adj. 2. belonging or pertaining to the… … Universalium
gonopore — External opening of the oviduct or vas deferens [Holdich and Jones, 1983]. Outlet for genital products, generally placed constantly in different crustaceans. (Syn. sexual pore) [Moore and McCormick, 1969]. Outlet for genital products. (Syn.… … Crustacea glossary
digestive system, human — Introduction the system used in the human body for the process of digestion. The human digestive system consists primarily of the digestive tract (alimentary canal), or the series of structures and organs through which food and liquids pass… … Universalium
termite — /terr muyt/, n. any of numerous pale colored, soft bodied, chiefly tropical social insects, of the order Isoptera, that feed on wood, some being highly destructive to buildings, furniture, etc. Also called white ant. [1775 85; taken as sing. of… … Universalium
