منابع مشابه
Histomorphometric study of the spinal cord segments in the chick and adult male ostrich (Struthio camelus)
In this study, the vertical, transverse and oblique diameters of the spinal cord segments (C1, C6, C12, C18, T1, T4, L1, L4, L6 and L8) and the ratio of gray matter to white matter in chick (l month) and adult (18 months) male ostriches, each group consisted of 3 animals, were measured with standard micrometric method using 6 μm thick sections by light microscope. With advancement of age, the r...
متن کاملThe Developing Chick Embryo
The RNA-P and DNA-P content of the nucleus and the RNA-P content of the whole cell of the livers of 8to 20-day chick embryos and of adult fowls have been determined. The DNA-P content of the liver nuclei was slightly higher in the 8and 10-day embryo than in all the other stages examined. A significant decrease in the RNA content of the cell occurred during embryonic development. The RNA content...
متن کاملHypervitaminosis E in the chick.
BONE lesions have been described in animals given large doses of vitamin A. The bones are reduced in thickness and fractures are frequent (Moore, 1957). Much of this work has been done on the rat (Moore and Wang, 1945; Wolbach, 1947; Thompson and Pitt, 1960), but lesions have been described in other species including guinea-pigs (Wolbach, 1947), calves (Grey, Nielsen, Rousseau, Calhoun and Eato...
متن کاملAdrenoceptors of the chick rectum.
1. The aim of the investigation was to determine whether the adrenoceptors of the chick rectum preparation complied with Ahlquist's classification; phentolamine (0.1 mug/ml) and propranolol (0.05 mug/ml) were used as specific antagonists of alpha- and beta-adrenoceptors, respectively.2. Propranolol antagonized phenylephrine, isoprenaline and noradrenaline in the chick rectum preparation, althou...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Developmental Cell
سال: 2005
ISSN: 1534-5807
DOI: 10.1016/j.devcel.2004.11.018