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Webster’s Dictionary (1828)



719 words match “OVA”

OSSEIN n.
The organic basis of bone tissue; the residue after removal of the mineral matters from bone by dilute acid; in embryonic tissue, the substance in which the mineral salts are deposited to form bone; -- called also ostein. Chemically it is the same as collagen.
OSTRACION n.
A genus of plectognath fishes having the body covered with solid, immovable, bony plates. It includes the trunkfishes.
OVICELL n.
One of the dilatations of the body wall of Bryozoa in which the ova sometimes undegro the first stages of their development. See Illust. of Chilostoma.
OVIDUCT n.
A tube, or duct, for the passage of ova from the ovary to the exterior of the animal or to the part where further development takes place. In mammals the oviducts are also called Fallopian tubes.
OVIPARITY n.
Generatuon by means of ova. See Generation.
OVISAC n.
A Graafian follicle; any sac containing an ovum or ova.
OVOID; OVOIDAL a.
Resembling an egg in shape; egg-shaped; ovate; as, an ovoidal apple.
OVOTESTTIS n.
An organ which produces both ova and spermatozoids; an hermaphrodite gland.
OVULATION n.
The formation of ova or eggs in the ovary, and the discharge of the same. In the mammalian female the discharge occurs during menstruation.
OXGANG n.
See Bovate.
PALETTE n.
A thin, oval or square board, or tablet, with a thumb hole at one end for holding it, on which a painter lays and mixes his pigments. [Written also pallet.]
PALLET n.
by potters, crucible makers, etc., for forming, beating, and rounding their works. It is oval, round, and of other forms.
PAMPINIFORM a.
In the form of tendrils; -- applied especially to the spermatic and ovarian veins.
PANDURATE; PANDURIFORM a.
Obovate, with a concavity in each side, like the body of a violin; fiddle-shaped; as, a panduriform leaf; panduriform color markings of an animal.
PANOISTIC a.
Producing ova only; -- said of the ovaries of certain insects which do not produce vitelligenous cells.
PARALBUMIN n.
A proteidlike body found in the fluid from ovarian cysts and elsewhere. It is generally associated with a substance related to, if not identical with, glycogen.
PARALLEL a.
cessive positions of the ruling edge parallel to each other; also, one consisting of two movable parts, the opposite edges of which are always parallel. -- Parallel sailing (Naut.), sailing on a parallel of latitude. -- Parallel sphere (Astron. & Geog.), that position of the sphere in which the circles of daily motio…
PARDON; REMISSION n.
eling, and suppose alienated affection; when we ask forgiveness, we primarily seek the removal of anger. Pardon looks more to outward things or consequences, and is often applied to trifling matters, as when we beg pardon for interrupting a man, or for jostling him in a crowd. The civil magistrate also grants a pardon,…
PARIETAL a.
Attached to the main wall of the ovary, and not to the axis; -- said of a placenta.
PARIETES n.
The sides of an ovary or of a capsule.
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