ALECITHAL | • alecithal adj. (Biology, of an ovum) Tending to segment uniformly, and having little or no yolk embedded in the protoplasm. • ALECITHAL adj. of an ovum, having little or no yolk. |
CENTROLECITHAL | • centrolecithal adj. (Biology) Having the yolk placed in the centre of the cytoplasm of the ovum. • CENTROLECITHAL adj. of animal eggs, having a centrally located yolk. |
HETEROLECITHAL | • heterolecithal adj. (Biology) Having the yolk unevenly distributed within the cytoplasm. • HETEROLECITHAL adj. of the eggs of birds, having an unequally distributed yolk. |
ISOLECITHAL | • isolecithal adj. (Biology) Having an even distribution of yolk in the cytoplasm. • ISOLECITHAL adj. of the ova of mammals and some other vertebrates, having the yolk distributed evenly through the protoplasm. |
LECITHIN | • lecithin n. (Organic chemistry) The principal phospholipid in animals; it is particularly abundant in egg yolks… • LECITHIN n. a complex substance containing phosphorus. |
LECITHINASE | • lecithinase n. An enzyme that catalyzes the hydrolysis of lecithin. • LECITHINASE n. an enzyme which catalyses the hydrolysis of lecithin. |
LECITHINASES | • lecithinases n. Plural of lecithinase. • LECITHINASE n. an enzyme which catalyses the hydrolysis of lecithin. |
LECITHINS | • lecithins n. Plural of lecithin. • LECITHIN n. a complex substance containing phosphorus. |
LYSOLECITHIN | • lysolecithin n. (Organic chemistry) Any lysophospholipid derived from lecithin. • LYSOLECITHIN n. a hydrolytic substance formed by the enzymatic hydrolysis (as by some snake venoms) of a lecithin. |
LYSOLECITHINS | • lysolecithins n. Plural of lysolecithin. • LYSOLECITHIN n. a hydrolytic substance formed by the enzymatic hydrolysis (as by some snake venoms) of a lecithin. |
SCOLECITE | • scolecite n. (Mineralogy) A monoclinic-domatic mineral containing aluminum, calcium, hydrogen, oxygen, and silicon. • SCOLECITE n. a hydrous silicate of alumina and lime, occurring in delicate radiating groups of white crystals. |
SCOLECITES | • scolecites n. Plural of scolecite. • SCOLECITE n. a hydrous silicate of alumina and lime, occurring in delicate radiating groups of white crystals. |