- genital double-somite
- (Subclass Copepoda):A division of the urosome formed from the genital and first abdominal somites [Boxshall and Halsey, 2004].
Crustacea glossary. Natural History Museum of Los Angeles County. 2011.
Crustacea glossary. Natural History Museum of Los Angeles County. 2011.
ovigerous spines — (Subclass Copepoda): The long spinous processes on the ventral surface of the genital double somite of female monstrillids, used for carrying eggs [Boxshall and Halsey, 2004] … Crustacea glossary
animal development — Introduction the processes that lead eventually to the formation of a new animal starting from cells derived from one or more parent individuals. Development thus occurs following the process by which a new generation of organisms is produced by … 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
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
ovisac — (Order Notostraca): In female, brood chamber for eggs on each appendage of last (11th) thoracic segments; chamber formed by exopod, with epipod serving as lid [Stachowitsch, 1992]. (Order Anostraca): In female, unpaired, sac like structure… … Crustacea glossary
INSECTES — Le terme «Insecte» a longtemps désigné tous les Arthropodes à six pattes, mais cette définition a évolué au cours des années 1980. Le terme Insecte au sens large a été remplacé par celui d’Hexapode et les Insectes ne désignent plus qu’une classe… … Encyclopédie Universelle
EMBRYOGENÈSE ANIMALE — Chez les animaux, l’œuf est une cellule unique, souvent de grande dimension, à noyau digamétique, c’est à dire formé par l’assemblage des noyaux des cellules reproductrices ou gamètes. Le cytoplasme cellulaire renferme des réserves plus ou moins… … Encyclopédie Universelle
Tarantula — Taxobox name = Tarantulas image width = 240px image caption = Mexican Red knee Tarantula regnum = Animalia phylum = Arthropoda classis = Arachnida ordo = Araneae subordo = Mygalomorphae superfamilia = Theraphosoidea familia = Theraphosidae… … Wikipedia