Results 21 to 30 of about 289,657 (365)

Role of oestradiol in growth of follicles and follicle deviation in heifers [PDF]

open access: yesReproduction, 2003
Follicle deviation is characterized by continued growth of the largest (developing dominant) follicle and reduced growth of the smaller (subordinate) follicles. The aim of the present study was to test the following hypotheses: (1). oestradiol contributes to the depression of circulating FSH encompassing follicle deviation and (2).
Don R. Bergfelt   +3 more
openaire   +3 more sources

Hair Follicle Nevus [PDF]

open access: yesDermatology, 1992
We present a case of hair follicle nevus, a rare hamartoma composed of vellus hair follicles. Hair follicle nevus should be differentiated from accessory auricle, trichofolliculoma and hair nevus.
M Tani, A Komura
openaire   +6 more sources

Comparative patterns of follicle development and selection in ruminants.

open access: yesJournal of reproduction and fertility. Supplement, 2019
Expanding technological capabilities, particularly in ultrasonography and molecular endocrinology, have bridged the gap between form and function of the ovary, and have been a catalyst for intense research activity in this area during the last decade ...
G. Adams
semanticscholar   +1 more source

Estrogen Actions on Follicle Formation and Early Follicle Development1 [PDF]

open access: yesBiology of Reproduction, 2004
Estradiol-17beta (E(2)) affects late follicular development, whereas primordial follicle differentiation and early activation are believed to be independent of E(2). To test this hypothesis we compared numbers of primordial and primary follicles in wild-type and E(2)-deficient, aromatase knockout (ArKO) mice, and the immunohistochemical staining or ...
Stephen John McPherson   +7 more
openaire   +3 more sources

Mechanisms regulating follicular development and selection of the dominant follicle.

open access: yesReproduction (Cambridge, England) Supplement, 2019
Reproductive function is an integrated process encompassing both extra-ovarian signals, such as gonadotrophins, and intrafollicular factors, such as locally produced growth factors.
R. Webb   +6 more
semanticscholar   +1 more source

Follicle selection in domestic ruminants.

open access: yesJournal of reproduction and fertility. Supplement, 2019
Ultrasound imaging has shown that cattle exhibit 2 or 3 waves of follicular development during an oestrous cycle. The waves consist of the contemporaneous appearance, about every 7 days, of a group of follicles > or = 5 mm in diameter.
J. E. Fortune   +3 more
semanticscholar   +1 more source

Is radiographic appearance a reliable indicator for the absence or presence of pathology in impacted third molars?

open access: yesIndian Journal of Dental Research, 2012
In dental practice, impacted third molar teeth are a common finding. The dentists usually remove them if they are associated with some radiographic finding suggestive of a cyst or a tumor or if they cause pain or resorption of the adjacent teeth.
Nitin Kaushal
doaj   +1 more source

Follicle Development of Xenotransplanted Sheep Ovarian Tissue into Male and Female Immunodeficient Rats [PDF]

open access: yesInternational Journal of Fertility and Sterility, 2015
Background This study aimed to assess follicle survival after xenotransplantation of sheep ovarian tissue into male and female immunodeficient rats. We evaluated the effects of gonadotropin treatment on follicular development in the transplanted tissue ...
Leila Sadat Tahaei   +6 more
doaj   +1 more source

Role of Follicle-Stimulating Hormone in Spermatogenesis

open access: yesFrontiers in Endocrinology, 2018
Spermatogenesis is a concerted sequence of events during maturation of spermatogonia into spermatozoa. The process involves differential gene-expression and cell-cell interplay regulated by the key endocrine stimuli, i.e., follicle-stimulating hormone ...
O. Oduwole, H. Peltoketo, I. Huhtaniemi
semanticscholar   +1 more source

The physiology of follicle selection [PDF]

open access: yesReproductive Biology and Endocrinology, 2004
During the follicular phase of the primate menstrual cycle, a single follicle usually matures to the preovulatory stage and releases its oocyte for fertilization and the potential establishment of pregnancy. In assisted reproductive technology procedures, it is desirable to override the natural process of follicle selection to produce many oocytes that
openaire   +4 more sources

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