In the male chick embryo the components of the hypothalamo-adenohypophyseal-testicular axis initially function independently of each other. It is not until days 12.5-13.5 that the adenohypophysis begins to regulate testosterone synthesis and secretion; on day 13.5 plasma testosterone reaches a maxim
Ontogeny of behavioral sensitivity to glycine in the chick embryo
โ Scribed by J. Reitzel; Dr. R. W. Oppenheim
- Publisher
- John Wiley and Sons
- Year
- 1980
- Tongue
- English
- Weight
- 367 KB
- Volume
- 13
- Category
- Article
- ISSN
- 0012-1630
No coin nor oath required. For personal study only.
๐ SIMILAR VOLUMES
## INTBODUOTORY Studies of embryonic and fetal behavior now include such forms as the toadfish, salamander, turtle, chick, rat, guinea pig, cat and human. The results of these studies have become familiar through the reports of Coghill ( '09, '29 a and b ) , Minkowski ( '20, '21), Windle et al. (
Gastrulation is the process of early development that reorganizes cells into the three fundamental tissue types of ectoderm, mesoderm, and endoderm. It is a coordinated series of morphogenetic and molecular changes that exemplify many developmental phenomena. In this review, we explore one of the cl
## Abstract An experiment was carried out to investigate whether thick albumen is essential for the normal development of the chick embryo. Fertilized ova recovered from the oviducts of hens were cultured in vitro and transferred to recipient eggshells with (method A) or without (method B) replacem