pars anterior

(redirected from anterior part)
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Noun1.pars anterior - the anterior part of the anterior pituitary
ductless gland, endocrine gland, endocrine - any of the glands of the endocrine system that secrete hormones directly into the bloodstream
adenohypophysis, anterior pituitary, anterior pituitary gland - the anterior lobe of the pituitary body; primarily glandular in nature
References in classic literature ?
Really, I knew already the anterior part of this submarine boat, of which this is the exact division, starting from the ship's head: the dining-room, five yards long, separated from the library by a water-tight partition; the library, five yards long; the large drawing-room, ten yards long, separated from the Captain's room by a second water-tight partition; the said room, five yards in length; mine, two and a half yards; and, lastly a reservoir of air, seven and a half yards, that extended to the bows.
This is the case with the male Ibla, and in a truly extraordinary manner with the Proteolepas: for the carapace in all other cirripedes consists of the three highly-important anterior segments of the head enormously developed, and furnished with great nerves and muscles; but in the parasitic and protected Proteolepas, the whole anterior part of the head is reduced to the merest rudiment attached to the bases of the prehensile antennae.
The effects of Cd seemed to extend to other areas of the brain, namely, the anterior part of the nucleus glomerulosus (NGa; Figure 2c) of the diencephalic pretectal region that is involved, via mesencephalic circuits, with the regulation of visual motor functions in teleosts (Kaslin and Panula 2001).
Some authors provide more precise descriptions, such as the medial lip of the iliac crest (Wood Jones 1953), the posterior part of the inner lip of the iliac crest (Romanes 1972; Woodburne and Burkel 1988), the upper and anterior part of the iliac tuberosity (Hanson and Sonesson 1994), the anterior portion of the iliac tuberosity and anterior margin and apex of the iliac crest (Rucco et al.
Aside from the dangers of fundal pressure, the pressure on the anterior part of the shoulder can abduct the shoulder girdle, making it bigger and more difficult to get out.
The vitellin glands are outside of the ceca and not over them, they begin on the anterior part of the acetabulum and nol al the testicle level.
no punishment had proved effective, by simply cutting off the anterior part of the foreskin with jagged scissors.
1): left-eyed; small mouth reaching to the anterior part of the eye; teeth only on the blind side; narrow interorbital ridge between eyes with a small sharp spine facing posteriorly; dorsal fin beginning slightly on blind side of head behind posterior nostril; pectoral fins relatively short; pelvic fins short, asymmetrical with the left having longer base and on ventral midline about two rays anterior to the right fin on blind side; rounded caudal fin; high arch in lateral line over the pectoral fin and a short anterior bifurcating branch; no lateral line on the blind side.
The anterior part of the snout is covered with a large flat pair of internasals and a pair of prefrontals (the latter may be interpreted as canthals).
They measured higher amounts of retinoic acid in the posterior portion of the wing, where digits normally develop, than in the anterior part.
Anabasis, founded in 1999 by a group of Italian scientists who were among the first to study the use of Nerve Growth Factor (NGF) - research which won Rita Levi-Montalcini the Nobel Prize - has advanced an ophthalmic formulation of NGF to preclinical and clinical stages for various diseases affecting both the anterior part of the eye, such as neurotrophic keratitis (NK) and dry eye, as well as the posterior part of the eye such as retinitis pigmentosa and glaucoma.

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