有哪些信誉好的足球投注网站- 1、本文档共53页，可阅读全部内容。
- 2、有哪些信誉好的足球投注网站（book118）网站文档一经付费（服务费），不意味着购买了该文档的版权，仅供个人/单位学习、研究之用，不得用于商业用途，未经授权，严禁复制、发行、汇编、翻译或者网络传播等，侵权必究。
- 3、本站所有内容均由合作方或网友上传，本站不对文档的完整性、权威性及其观点立场正确性做任何保证或承诺！文档内容仅供研究参考，付费前请自行鉴别。如您付费，意味着您自己接受本站规则且自行承担风险，本站不退款、不进行额外附加服务；查看《如何避免下载的几个坑》。如果您已付费下载过本站文档，您可以点击 这里二次下载。
- 4、如文档侵犯商业秘密、侵犯著作权、侵犯人身权等，请点击“版权申诉”（推荐），也可以打举报电话：400-050-0827(电话支持时间：9:00-18:30)。
Chapter12ReproductionDongJing(董静)
Dept.Physiology
QingdaoUniversityEmail:.cn
MaleReproduction
Spermatogenesis:formationofspermEndocrinefunctionsoftestisRegulationoftestisfunctionSection1
Testisendocrineandmalereproductivephysiology
一、Maleprimarysexorgan:TestisSpermatogenesisofTestis（一）Theprocessofspermatogenesis（二）Thetransportofspermsandejaculation
MaleReproductiveAnatomyandPhysiologyTestisEpididymisVasdeferensSeminalvesicleProstateBulbourethralEjaculatoryductUrethraPenis
MaleReproductiveAnatomyandPhysiology
SertoliCellFunctionSertoliCellsNourishhealthycellsphagocytizedamagedgermcellsSynthesizeluminalproteinsMaintaintubularfluidConvertandrogenstoestrogensAresiteforhormonalmodulationoftubularfunction
MajorTesticularSteroids()=RelativeactivitywhereTactivity=100AndrogensareC19steroidsMajorityof5a-DHTisformedinperipheraltissues
MaleSexSteroidSynthesisCholesterolmaybefromplasmaordenovosynthesisTmaybeconvertedinperipheraltissuestoestradiolandrostenedioneAndrostenedioneisthemajorsourceofestradiolinmenDelta-5pathwayisthemajorrouteinmen
TransportofSexSteroidsinMalesMajorSexSteroidBindingProteinsTestosterone-EstrogenBindingProteinOnehighaffinitybindingsite(T1/2=22seconds)Bindingaffinityorderforsexsteroids=DHT(100)T(33)E(25)AlbuminOnelowaffinitybindingsite(T1/2-=1second)CortisolBindingGlobulinNobindingtoDHT,TorE2.BindsProgesteroneNormalDistributioninBlood TEBG(30%),Albumin(68%),Free(2%) Activefractionincludesfree+albumin-boundfraction
AndrogenActivityIncreasedSpermatogenesisIncreasedBoneGrowthIncreasedbonematrix,calciumdepositionandpromotesepiphysealclosureIncreasedNitrogenBalanceIncreasedmusclemass,larynxsizeIncreasedatheleticperformanceIncreasedbasalmetabolicrate,redbloodcelldensityoxygenutilizationAlteredSkinFunctionIn
文档评论（0）