Home > Industry/Domain > Zoology > Zoological terms
Zoological terms
Terms in relation to animals, such as mammals, birds, reptiles or fish.
Industry: Zoology
Add a new termContributors in Zoological terms
Zoological terms
cilium
Zoology; Zoological terms
(pl. cilia, long eyelash) A short, centriole-based, hairlike organelle: Rows of cilia propel certain protista. Cilia also aid the movement of substances across epithelial surfaces of animal cells
telolecithal
Zoology; Zoological terms
(yolk concentrated on the vegetal pole) undergoes total but unequal cleavage, the large mass of yolk remains undivided; therefore termed partial or meroblastic .
centrolecithal
Zoology; Zoological terms
(yolk formed as a central mass) cytoplasma is concentrated in the periphery; cleavage takes place only in the outer shell, consequently typed as superficia
isolecithal
Zoology; Zoological terms
(little yolk equally distributed throughout cytoplasma) 1 st cleavage follows the primary axis, passing from animal to vegetal pole, producing a two-celled embryo; said to be total or holoblastic
radial cleavage
Zoology; Zoological terms
(mostly resulting in deuterostomes , mouth comes second ); cleavage planes are alternately vertical and horizontal so that the cells are stacked in rows one upon another
spiral cleavage
Zoology; Zoological terms
(mostly resulting in protostomes , mouth comes first); embryonic development follows several patterns characterizing a grouping of phyla
coelenterata
Zoology; Zoological terms
(Gk. Coel, hollow + enteron, gut) A phylum of animals with radially symmetrical bodies, a saclike internal cavity, tentacles, and nematocysts, including jellyfish, hydras, sea anemones, and corals.
Featured blossaries
ruhiha
0
Terms
2
Blossaries
0
Followers