Results 21 to 30 of about 2,924 (182)
In Vitro Culture of Bovine Preantral Follicles: A Review [PDF]
, 2014 Preantral follicles are the majority of the ovarian follicle population and their use as a source of homogeneous oocytes for bovine reproductive biotechnologies could result in a substantial advance in this field.
Araújo, Valdevane R +3 more
core +2 more sources
Effect of gonadotropin administration on reproductive performance in relation to the age at first conception, time of application, and body condition of weaned sow [PDF]
Archives Animal BreedingThe administration of hormone preparations to synchronize the onset of oestrus in gilts and sows is a good way of achieving breeding objectives economically on large-scale farms.
M. Vogrin Bračič +3 more
doaj +1 more source
Reproductive Biology and Endocrinology, 2008 Background P450 oxidoreductase (POR) catalyzes electron transfer to microsomal P450 enzymes. Its deficiency causes Antley-Bixler syndrome (ABS), and about half the patients with ABS have ambiguous genitalia and/or impaired steroidogenesis.
Uesaka Miki +7 more
doaj +1 more source
Evaluation of estradiol benzoate as a pre-treatment for oocyte recovery in sheep
Semina: Ciências Agrárias, 2014 The objective of this study was to compare the number of follicles, oocytes and the recovery rate in sheep submitted to the one-shot protocol with or without ovarian priming with estradiol benzoate (EB).
Marilu Constantino Max +6 more
doaj +1 more source
Evolution of placental function in mammals:the molecular basis of gas and nutrient transfer, hormone secretion, and immune responses [PDF]
, 2012 Placenta has a wide range of functions. Some are supported by novel genes that have evolved following gene duplication events while others require acquisition of gene expression by the trophoblast.
Carter, Anthony Michael
core +1 more source
Suppression of spermatogenesis before grafting increases survival and supports resurgence of spermatogenesis in adult mouse testis [PDF]
, 2016 Objective: To test whether absence of complete spermatogenesis in mature testicular tissue before grafting will increase graft survival. Design: Prospective experimental study. Setting: Laboratory.
Arregui, Lucía +5 more
core +1 more source
Reproductive Biology and Endocrinology, 2003 Background Sugar moieties of gonadotropins play no primary role in receptor binding but they strongly affect their circulatory half-life and consequently their in vivo biopotencies. In order to relate more precisely hepatic trapping of these glycoproteic
Locatelli Alain +7 more
doaj +1 more source
Health considerations for transgender women and remaining unknowns : a narrative review [PDF]
, 2019 Transgender (trans) women (TW) were assigned male at birth but have a female gender identity or gender expression. The literature on management and health outcomes of TW has grown recently with more publication of research.
Defreyne, Justine +6 more
core +1 more source
, 2012 The ejaculated semen consists of two major components viz. sperm cells (spermatozoa) and the fluid part obtained after centrifugation called seminal plasma.
P Perumal
core +2 more sources