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Ectoblast :: Ectoblast (n.) The outer layer of the blastoderm; the epiblast; the ectoderm.

Spermatogonium :: Spermatogonium (n.) A primitive seminal cell, occuring in masses in the seminal tubules. It divides into a mass (spermosphere) of small cells (spermoblast), which in turn give rise to spermatozoids..

Blast :: Blast (v. t.) Hence, to affect with some sudden violence, plague, calamity, or blighting influence, which destroys or causes to fail; to visit with a curse; to curse; to ruin; as, to blast pride, hopes, or character..

Blastopore :: Blastopore (n.) The pore or opening leading into the cavity of invagination, or archenteron..

Gastrodisc :: Gastrodisc (n.) That part of blastoderm where the hypoblast appears like a small disk on the inner face of the epibladst.

Sideration :: Sideration (n.) The state of being siderated, or planet-struck; esp., blast in plants; also, a sudden and apparently causeless stroke of disease, as in apoplexy or paralysis..

Chromoblast :: Chromoblast (n.) An embryonic cell which develops into a pigment cell.

Inwall :: Inwall (n.) An inner wall; specifically (Metal.), the inner wall, or lining, of a blast furnace..

Jack :: Jack (n.) A wooden wedge for separating rocks rent by blasting.

Hypoderm :: Hypoderm (n.) Same as Hypoblast.

Odontoplast :: Odontoplast (n.) An odontoblast.

Osteoblast :: Osteoblast (n.) One of the protoplasmic cells which occur in the osteogenetic layer of the periosteum, and from or around which the matrix of the bone is developed; an osteoplast..

#NAME? :: -blast () A suffix or terminal formative, used principally in biological terms, and signifying growth, formation; as, bioblast, epiblast, mesoblast, etc..

Morula :: Morula (n.) The sphere or globular mass of cells (blastomeres), formed by the clevage of the ovum or egg in the first stages of its development; -- called also mulberry mass, segmentation sphere, and blastosphere. See Segmentation..

Mesenchyma :: Mesenchyma (n.) The part of the mesoblast which gives rise to the connective tissues and blood.

Blastment :: Blastment (n.) A sudden stroke or injury produced by some destructive cause.

Blastodermic :: Blastodermic (a.) Of or pertaining to the blastoderm.

Scaffold :: Scaffold (n.) An accumulation of adherent, partly fused material forming a shelf, or dome-shaped obstruction, above the tuyeres in a blast furnace..

Carbunculation :: Carbunculation (n.) The blasting of the young buds of trees or plants, by excessive heat or cold..

Downcome :: Downcome (n.) A pipe for leading combustible gases downward from the top of the blast furnace to the hot-blast stoves, boilers, etc., where they are burned..

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