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Idioblast :: Idioblast (n.) An individual cell, differing greatly from its neighbours in regard to size, structure, or contents..

Blight :: Blight (n.) Mildew; decay; anything nipping or blasting; -- applied as a general name to various injuries or diseases of plants, causing the whole or a part to wither, whether occasioned by insects, fungi, or atmospheric influences..

Fluke :: Fluke (n.) An instrument for cleaning out a hole drilled in stone for blasting.

Protoplasm :: Protoplasm (n.) The viscid and more or less granular material of vegetable and animal cells, possessed of vital properties by which the processes of nutrition, secretion, and growth go forward; the so-called physical basis of life; the original cell substance, cytoplasm, cytoblastema, bioplasm sarcode, etc..

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

Expire :: Expire (v. i.) To burst forth; to fly out with a blast.

Meroblast :: Meroblast (n.) An ovum, as that of a mammal, only partially composed of germinal matter, that is, consisting of both a germinal portion and an albuminous or nutritive one; -- opposed to holoblast..

Smift :: Smift (n.) A match for firing a charge of powder, as in blasting; a fuse..

Bosh :: Bosh (n.) One of the sloping sides of the lower part of a blast furnace; also, one of the hollow iron or brick sides of the bed of a puddling or boiling furnace..

Halones :: Halones (n. pl.) Alternating transparent and opaque white rings which are seen outside the blastoderm, on the surface of the developing egg of the hen and other birds..

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..

Ectoblast :: Ectoblast (n.) The outer envelope of a cell; the cell wall.

Archaeostomatous :: Archaeostomatous (a.) Applied to a gastrula when the blastopore does not entirely close up.

Gastrula :: Gastrula (n.) An embryonic form having its origin in the invagination or pushing in of the wall of the planula or blastula (the blastosphere) on one side, thus giving rise to a double-walled sac, with one opening or mouth (the blastopore) which leads into the cavity (the archenteron) lined by the inner wall (the hypoblast). See Illust. under Invagination. In a more general sense, an ideal stage in embryonic development. See Gastraea..

Blast :: Blast (n.) The sound made by blowing a wind instrument; strictly, the sound produces at one breath..

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.

Enterocoele :: Enterocoele (n.) A perivisceral cavity which arises as an outgrowth or outgrowths from the digestive tract; distinguished from a schizocoele, which arises by a splitting of the mesoblast of the embryo..

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

Blastophoral :: Blastophoral (a.) Alt. of Blastophori.

Spire :: Spire (n.) A tube or fuse for communicating fire to the chargen in blasting.

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