discoidal area
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discoidal field — see discoidal area … Dictionary of invertebrate zoology
area opaca — area opa·ca ō pā kə n the peripheral opaque area that surrounds the area pellucida of a vertebrate embryo (as of a bird) formed by discoidal cleavage … Medical dictionary
area pellucida — area pel·lu·ci·da pə lü səd ə n the pellucid central area that immediately surrounds a vertebrate embryo (as of a bird) formed by discoidal cleavage * * * the central clear part of the embryonic disc, as seen in the bird egg … Medical dictionary
area opaca — ōˈpākə noun Etymology: New Latin, opaque area : the peripheral opaque area surrounding the area pellucida of vertebrate embryos with discoidal cleavage * * * /oh pay keuh/, Embryol. the opaque area of the blastoderm surrounding the area pellucida … Useful english dictionary
area pellucida — pəˈlüsədə noun Etymology: New Latin, pellucid area : the pellucid central area immediately surrounding the embryo in vertebrates with discoidal cleavage * * * /peuh looh si deuh/, Embryol. the translucent central area of the blastoderm of birds… … Useful english dictionary
Rohana parisatis — Taxobox name = Black Prince image width = 200px regnum = Animalia phylum = Arthropoda classis = Insecta ordo = Lepidoptera familia = Nymphalidae genus = Rohana species = R. parisatis binomial = Rohana parisatis binomial authority = synonyms =… … Wikipedia
middle field — see discoidal area … Dictionary of invertebrate zoology
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
Stone Age — the period in the history of humankind, preceding the Bronze Age and the Iron Age, and marked by the use of stone implements and weapons: subdivided into the Paleolithic, Mesolithic, and Neolithic periods. [1860 65] * * * First known period of… … Universalium
Aporia agathon — Taxobox | name = Great Blackvein regnum = Animalia phylum = Arthropoda classis = Insecta ordo = Lepidoptera familia = Pieridae genus = Aporia species = A. agathon binomial = Aporia agathon binomial authority = (Gray, 1832)Great Blackvein , Aporia … Wikipedia
