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Tegmental :: Tegmental (a.) Of or pertaining to a tegument or tegmentum; as, the tegmental layer of the epiblast; the tegmental cells of the taste buds..

Blastomere :: Blastomere (n.) One of the segments first formed by the division of the ovum.

Gonoblastidia :: Gonoblastidia (pl. ) of Gonoblastidiu.

Blasted :: Blasted (imp. & p. p.) of Blas.

Mesenteron :: Mesenteron (n.) All that part of the alimentary canal which is developed from the primitive enteron and is lined with hypoblast. It is distinguished from the stomod/um, a part at the anterior end of the canal, including the cavity of the mouth, and the proctod/um, a part at the posterior end, which are formed by invagination and are lined with epiblast..

Blasting :: Blasting (n.) A blast; destruction by a blast, or by some pernicious cause..

Blast :: Blast (n.) A sudden, pernicious effect, as if by a noxious wind, especially on animals and plants; a blight..

Converter :: Converter (n.) A retort, used in the Bessemer process, in which molten cast iron is decarburized and converted into steel by a blast of air forced through the liquid metal..

Bioblast :: Bioblast (n.) Same as Bioplast.

Blastoderm :: Blastoderm (n.) The germinal membrane in an ovum, from which the embryo is developed..

Ablastemic :: Ablastemic (a.) Non-germinal.

Blast :: Blast (n.) A flatulent disease of sheep.

Amphiblastic :: Amphiblastic (a.) Segmenting unequally; -- said of telolecithal ova with complete segmentation.

Blastosphere :: Blastosphere (n.) The hollow globe or sphere formed by the arrangement of the blastomeres on the periphery of an impregnated ovum.

Blastema :: Blastema (n.) The structureless, protoplasmic tissue of the embryo; the primitive basis of an organ yet unformed, from which it grows..

Blastula :: Blastula (n.) That stage in the development of the ovum in which the outer cells of the morula become more defined and form the blastoderm.

Blower :: Blower (n.) A device for producing a current of air; as: (a) A metal plate temporarily placed before the upper part of a grate or open fire. (b) A machine for producing an artificial blast or current of air by pressure, as for increasing the draft of a furnace, ventilating a building or shaft, cleansing gram, etc..

Blast :: Blast (n.) A forcible stream of air from an orifice, as from a bellows, the mouth, etc. Hence: The continuous blowing to which one charge of ore or metal is subjected in a furnace; as, to melt so many tons of iron at a blast..

Discoblastic :: Discoblastic (a.) Applied to a form of egg cleavage seen in osseous fishes, which occurs only in a small disk that separates from the rest of the egg..

Meroblastic :: Meroblastic (a.) Consisting only in part of germinal matter; characterized by partial segmentation only; as, meroblastic ova, in which a portion of the yolk only undergoes fission; meroblastic segmentation; -- opposed to holoblastic..

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