- blas|to|sphere
- blas|to|sphere «BLAS tuh sfihr», noun.1. = blastula. (Cf. ↑blastula)2. (specifically) the hollow spherical blastoderm of mammals, formed after gastrulation.
Useful english dictionary. 2012.
blas|to|sphere
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sphere — aero·sphere; as·theno·sphere; as·tro·sphere; bar·y·sphere; bathy·sphere; bathy·ther·mo·sphere; bio·sphere; blas·to·sphere; cen·tro·sphere; chon·drio·sphere; chro·mo·sphere; coc·co·sphere; cos·mo·sphere; demi·sphere; ec·to·sphere; en·sphere;… … English syllables
blas|tu|la — «BLAS chuh luh», noun, plural las, lae « lee». an early stage in the development of an embryo of an animal, after the fertilization and cleavage of the ovum. It usually consists of a sac or hollow sphere formed by a single layer of cells. ╂[<… … Useful english dictionary
blastosphere — blas·to·sphere … English syllables
blastosphere — blas·to·sphere blas təs .fi(ə)r n BLASTULA esp BLASTOCYST blas·to·spher·ic .blas təs fi(ə)r ik, fer adj * * * blas·to·sphere (blasґto sfēr) [blasto + sphere] blastula … Medical dictionary
Blastosphere — Blas to*sphere, n. [Gr. blasto s sprout + E. sphere.] (Biol.) The hollow globe or sphere formed by the arrangement of the blastomeres on the periphery of an impregnated ovum. Note: [See Illust. of {Invagination}.] [1913 Webster] … The Collaborative International Dictionary of English
blastoderm — blas·to·derm .dərm n a blastodisc after completion of cleavage and formation of the blastocoel called also discoblastula * * * blas·to·derm (blasґto dərm) [blasto + derm] collectively, the mass of cells produced by cleavage of a zygote,… … Medical dictionary
blastodisk — blas•to•disk or blas•to•disc [[t]ˈblæs təˌdɪsk[/t]] n. dvl the blastula forming as a flattened sphere on top of the yolk in the eggs of birds and reptiles • Etymology: 1885–90 … From formal English to slang
blastodisk — /blas teuh disk /, n. Embryol. the blastula that forms as a flattened sphere on top of the yolk in the yolk laden eggs of birds and reptiles. Also, blastodisc. [1885 90; BLASTO + DISK] * * * … Universalium
blastosphere — /blas teuh sfear /, n. Embryol. a blastula, esp. a blastocyst. [BLASTO + SPHERE] * * * … Universalium
o — abi·o·log·i·cal; ab·o·li·tion; ab·o·li·tion·ary; ab·o·li·tion·dom; ab·o·li·tion·ism; ab·o·li·tion·ist; ab·o·li·tion·ize; ab·o·ma·sal; ab·o·ma·sum; ac·an·thol·o·gy; ac·an·thop·o·dous; acar·i·dol·o·gist; ac·a·ri·nol·o·gy; acar·i·o·sis;… … English syllables
