The formation and fate of the corpus luteum have been described for a previously un researched species of South-east Asian colobine, the Dusky leaf monkey, Presbytis obscura. Histological material from 44 wild female monkeys collected at various stages of the menstrual cycle, pregnancy and ...
The newly formed corpus luteum (CL) develops rapidly and has the features of active vascularization and mitosis of steroidogenic cells. Such local mechanis... Kobayashi,S.-i. - 《Biology of Reproduction》 被引量: 74发表: 2002年 The Luteal Phase after GnRHa Trigger-Understanding An Enigma. ova...
The fate of the theca interna after ovulation was studied in ewes, using light and electron microscopic histology and histochemistry. At the time of ovulation the theca interna was incorporated, apparently completely, into the margin of the developing corpus luteum and into the centres of many in...
Some investigators (9, 14, 15) have found some androgenic activity as a result of injection of corpus luteum materials in castrated male rats although negative results were obtained in the mouse (5). Takewaki (7, 8) has studied the effect of ovarian androgens on the mouse adrenal, and ...
organiccomponentsstronglyaffectadsorptionandmigrationinthesoil.Ourstudiesindicatethatlowconcentrationsoftrenboloneandmelengestrolacetateareverymobileinagriculturalsoils.However,bothhormoneshaveahighaffinitytotheorganicfractionoftheimmobilephaseleadingtoahighretardationwithinsoilmaterials.©2002ElsevierScienceB.V.Allrights...
Granulosa cells (GCs) are important drives of the reproductive process, not only the supporting cells for nutrition, but also cells with endocrine functions. Their differentiation and development parallel the entire menstruation period and even during pregnancy, making it tightly linked to the fate of...
The formation and fate of the corpus luteum have been described for a previously un researched species of South-east Asian colobine, the Dusky leaf monkey, Presbytis obscura. Histological material from 44 wild female monkeys collected at various stages of the menstrual cycle, pregnancy and ...
The fate of the canine corpus luteum (CL) differs from that of other domestic species: beyond the extended luteal regression observed in both pregnant and non-pregnant cycles, active luteolysis is observed only in pregnant dogs. Luteal regression in the absence of pregnancy lacks a luteolytic ...
Corpus LuteumEmbryosPregnancy RateDairy CattleOur objective was to examine the role of progestin type on serum concentrations of progesterone (P4) and estradiol-17尾 (E2), ovarian follicular dynamics, and fertility in cattle in the presence or absence of a corpus luteum (CL) in an estrus ...
Summary 1. Published descriptions of the development of the corpus luteum show that the majority of the luteal cells are derived from the granulosa cells. 2. In the vertebrates, other than mammals, the development of a corpus luteum does not appear to be associated solely with viviparity. 3....