–secreteinhibinwhichslowsspermproduction Spermatogenesis Spermformingcellsgothroughtwomeioticdivisions •Eachoffourspermatids developintoasperm •Secondmeiosisdivisiongive fourspermatids,eachwith23 singlestrandedchromosomes •Firstmeiosisdivisiongive twosecondaryspermatocytes, ...
Inhibin (-) (+) (+) Hypothalamus Termination of the ovarian cycle and onset of the next cycle (-) 5.Monthly Endometrial Cycle & Menstruation Estrogen phase (before ovulation) Secrete thin mucus Progestational phase (after ovulation) Secrete uterine milk ...
inhibin synthesis. Since this follicle is uniquely responsive to both FSH and LH, it continues to grow and secrete estrogen despite decreasing plasma concentrations of FSH. Development-dependent paracrine signals (including inhibin) maintain the dominance of this ...
testesinmalesandovariesinfemales Malegametes,thesperm,movebyflagella. Thelargergametesoffemalesaretheova, oreggs,andarenonmotile. Gametesareproducedfromgermcells— presentearlyindevelopmentanddistinct fromother(somatic)cellsofthebody. Concept32.2GametogenesisProducesHaploidGametes ...
Ovaries Interactionofthe femalehormone systemandtheir functions •GnRH:anteriorpituitary LH andFSH •LH&FSH:ovary;development ofovarianfollicles;estrogenand progesteroneproduction •Progesterone:endometrium& breasts •Estrogen:ovary,uterus,breasts
microrna expression characterizes oligometastasis(es) 热度: 风险价值(VaR)与期望损失(ES)简析 热度: 1 THEENDOCRINESYSTEM KarenMarshall,AssociateProfessor MontgomeryCollege TakomaParkCampus 09/03/20032 EndocrineSystem(ES) interactswithnervoussystem(NS)to ...