Search Results - "Betz, T W"

Embryonic stages: morphology, timing, and variance in the toad Bombina orientalis by Sussman, P, Betz, T W

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The effects of embryonic pars distalis grafts and albumen on the growth of chick embryos by Betz, T W

“…Normal chick embryos swallow and utilize the albumen in the egg between the 11th and 15th day of incubation (Witschi, 1949). They use approximately two-thirds…”
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Fine-structural cytodifferentiation in thyroid glands, adrenal glands, and testes from an exceptionally old partially decapitated, hypophyseoprivic chicken embryo by Betz, T W, Narbaitz, R

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The dependence of duodenal differentiation in chick embryos on pars distalis hormones by Bellware, F T, Betz, T W

“…Duodenal differentiation in normal chick embryos between 15·75 and 20·5 days of incubation was characterized by the following changes: 1. The dry weight…”
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Thyroxine and duodenal development in chicken embryos by Brewer, L M, Betz, T W

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Ontogeny of haemoglobin in the chicken by Manwell, C, Baker, C M, Betz, T W

“…Study of an individual protein type such as haemoglobin during development provides a convenient way to study the embryological expression of a small number of…”
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The effects of embryonic pars distalis grafts on the development of hypophysectomized chick embryos by Betz, T W

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The hormonal activities associated with the cephalic and caudal regions of the cockerel pars distalis by Brasch, M, Betz, T W

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On the development of chicken adenohypophyseal melanophore-expanding activity by Betz, T W, Enemar, A, Röhss, M

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Does ingested albumen stimulate duodenal development in chicken embryos? by Betz, T W, Hart, D E

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On the pars distalis hormone activities involved in spleen development in chicken embryos by Hart, D.E, Betz, T.W

“…Spleen development was studied in 11 groups of chicken embryos: (1) intact, I; (2) ‘hypo-physectomized’, H, by partial decapitation, and nine groups of…”
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The effect of embryonic partial decapitation on the developmental sequence of some proteins in the chicken by Manwell, C, Betz, T W

“…Hormonal control of differentiation at a biochemical level is exemplified by studies on amphibian and insect metamorphosis. However, Hinni & Watterson (1963)…”
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On the pars distalis hormonal activities involved in duodenal development in chick embryos by Hart, D.E., Betz, T.W.

“…Duodenal development was studied in five groups of chick embryos: (1) normal, (2) hypophysectomized by partial decapitation, (3) hypophysectomized plus one…”
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THE OVARIAN HISTOLOGY OF THE DIAMOND-BACKED WATER SNAKE, NATRIX RHOMBIFERA DURING THE REPRODUCTIVE CYCLE by BETZ, T W

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Correlation of chromatin composition with metabolic changes in nuclei of primitive erythroid cells from chicken embryos by Urban, M K, Neelin, J M, Betz, T W

“…Changes in levels of biosynthesis of DNA, RNA, and histones were compared with relative proportions of each histone class during primitive erythropoiesis in…”
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The developmental endocrinology of the spleen in chick embryos. I. The pars distalis by Betz, T W

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In vivo estrogen synthesis by the developing chicken (Gallus gallus) embryo by Gill, D V, Robertson, H A, Betz, T W

“…The concentrations of unconjugated and conjugated estrogens in the allantoic and amniotic fluids of chicken embryos have been followed during incubation. The…”
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Chicken pars distalis development. I. Light and electron microscopy of the anlage at Hamburger and Hamilton's stages 17, 20, 24, 27; days 2.6, 3, 4, 5 of incubation by Betz, T W, Jarskär, R

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developmental endocrinology of the spleen in chicken embryos. II. The pars distalis and splenomegaly by Goldberg, R.B, Betz, T.W

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On possible involvement of adrenocorticoids in chicken spleen development by Betz, T W, Nagler, P

“…The possible effects of glucocorticoids on spleen development were assessed by the determination of changes in mean organ weight and histology in chicken…”
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