Koj puas tuaj yeem txhawb nqa spermatogenesis?

Cov txheej txheem:

Koj puas tuaj yeem txhawb nqa spermatogenesis?
Koj puas tuaj yeem txhawb nqa spermatogenesis?
Anonim

Raws li cov poj niam, gonadotropin tso cov tshuaj hormones, lossis GnRH, tau tso tawm hauv lub cev pulsatile, txhawb kev tso tawm ntawm follicle stimulating hormone (FSH) thiab leutinizing hormone (LH). Hauv cov txiv neej, LH feem ntau stimulates testosterone ntau lawm, thaum FSH stimulates cov phev.

Puas muaj dab tsi tuaj yeem txhawb nqa spermatogenesis?

Pituitary-derived FSH muab cov qauv tsis ncaj ncees thiab kev txhawb nqa metabolic rau kev txhim kho spermatogonia rau hauv cov spermatids paub tab ntawm nws cov membrane-bound receptor hauv Sertoli hlwb. FSH kuj ua lub luag haujlwm tseem ceeb hauv kev txiav txim siab ntawm cov cell Sertoli thiab yog li lawv lub peev xwm los tswj cov spermatogenesis.

Puas testosterone tsuj spermatogenesis?

Txawm hais tias lwm cov tshuaj hormones pab txhawb cov txheej txheem ntawm spermatogenesis, tsuas yog cov tshuaj steroid testosterone yog qhov tseem ceeb los tswj cov spermatogenesis. Testosterone ua nyob rau hauv lub testis nyob rau hauv relation mus rau cov kev cai ntawm spermatogenesis tau tham nyob rau hauv tsis ntev los no tshuaj xyuas [1–6].

Koj ua li cas ntxias cov spermatogenesis?

Kev loj hlob ntawm cov phev yuav tsum muaj kev sib koom ua ke -kev ua haujlwm endocrine ntawm follicle-stimulating hormone (FSH) thiab testosterone. FSH yog ib qho tseem ceeb rau kev loj hlob ntawm tubule seminiferous, inducing spermatogenesis hauv cov noob qes thiab tswj fertility.

Yuav ua li cas cov tshuaj hormones induces spermatogenesis?

Sertoli hlwb muaj receptors rau follicle stimulatinghormonal (FSH) thiab testosteroneuas yog lub ntsiab hormonal regulators ntawm spermatogenesis.

Pom zoo:

Nthuav cov khoom
Leej twg chiseled mount rushmore?
Nyeem ntxiv

Leej twg chiseled mount rushmore?

Sculptor Gutzon Borglum - Mount Rushmore National Memorial (U.S. National Park Service) Puas muaj pes tsawg tus neeg tuag lub tsev Mount Rushmore? Qhov tiag carving yog ua los ntawm ib pab neeg ntawm ntau tshaj 400 txiv neej. 20. Zoo kawg, tsis muaj leej twg tuag thaum lub sijhawm tsim kho.

Kev cuam tshuam rau cov tsis nyeem ntawv hauv kev kawm deb?
Nyeem ntxiv

Kev cuam tshuam rau cov tsis nyeem ntawv hauv kev kawm deb?

6 Txoj Kev Pab Cov Tub Kawm Ntawv Tawm Tsam Nrog Kev Nyeem Ntawv Kaw qhov sib txawv Txhim lawv txoj kev kawm. … Muab cov qib zoo ntawm scaffolding nyob rau lub sijhawm. … Muab kev qhia ua ke thiab sib sau ua ke. … Koom nrog ntau yam haujlwm.

Asvab tau qhab nia li cas?
Nyeem ntxiv

Asvab tau qhab nia li cas?

ASVAB AFQT Cov qhab nia AFQT yog xam los ntawm sib txuas cov qhab nia ntawm plaub qhov kev xeem: lej lej (AR), kev paub lej (MK), kab lus nkag siab (PC) thiab lo lus paub (WK). Cov qhab nia tau pom zoo li feem pua, uas yog ib lub tswv yim zoo sib xws rau cov qauv qhab nia tus qauv.