- ectolecithal
- ec·to·lec·i·thal (ek″to-lesґĭ-thəl) [ecto- + lecithal] having the yolk situated peripherally, as in flatworm eggs.
Medical dictionary. 2011.
ectolecithal
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Ectolecithal — Ec to*lec i*thal, a. [Ecto + Gr. ? the yolk of an egg.] (Biol.) Having the food yolk, at the commencement of segmentation, in a peripheral position, and the cleavage process confined to the center of the egg; as, ectolecithal ova. [1913 Webster] … The Collaborative International Dictionary of English
ectolecithal — adj. [Gr. ektos, outside; lekithos, yolk of an egg] (PLATYHELMINTHES: Turbellaria) Having cleavage modified by a special condition whereby yolk is stored in separate cells surrounding the oocytes as opposed to entolecithal as seen in other animal … Dictionary of invertebrate zoology
ectolecithal — ec·to·lecithal … English syllables
ectolecithal — |ektō+ adjective Etymology: International Scientific Vocabulary ect + lecith + al : centrolecithal … Useful english dictionary
Egg cleavage — Segmentation Seg men*ta tion, n. The act or process of dividing into segments; specifically (Biol.), a self division into segments as a result of growth; cell cleavage; cell multiplication; endogenous cell formation. [1913 Webster] {Segmentation… … The Collaborative International Dictionary of English
regular segmentation — Segmentation Seg men*ta tion, n. The act or process of dividing into segments; specifically (Biol.), a self division into segments as a result of growth; cell cleavage; cell multiplication; endogenous cell formation. [1913 Webster] {Segmentation… … The Collaborative International Dictionary of English
Segmentation — Seg men*ta tion, n. The act or process of dividing into segments; specifically (Biol.), a self division into segments as a result of growth; cell cleavage; cell multiplication; endogenous cell formation. [1913 Webster] {Segmentation cavity} (Biol … The Collaborative International Dictionary of English
Segmentation cavity — Segmentation Seg men*ta tion, n. The act or process of dividing into segments; specifically (Biol.), a self division into segments as a result of growth; cell cleavage; cell multiplication; endogenous cell formation. [1913 Webster] {Segmentation… … The Collaborative International Dictionary of English
Segmentation nucleus — Segmentation Seg men*ta tion, n. The act or process of dividing into segments; specifically (Biol.), a self division into segments as a result of growth; cell cleavage; cell multiplication; endogenous cell formation. [1913 Webster] {Segmentation… … The Collaborative International Dictionary of English
Segmentation of the ovum — Segmentation Seg men*ta tion, n. The act or process of dividing into segments; specifically (Biol.), a self division into segments as a result of growth; cell cleavage; cell multiplication; endogenous cell formation. [1913 Webster] {Segmentation… … The Collaborative International Dictionary of English
