Puberty yog lub cev txheej txheem ntawm kev sib deev maturation. Puberty's trigger lies nyob rau hauv ib feem me me ntawm lub hlwb hu ua hypothalamus, ib caj pas uas secretes gonadotropin-tso tshuaj hormone (GnRH ).
YPuas hypothalamus zais gonadotropin?
Puberty yog pib los ntawm gonadotropin-tso tshuaj hormone (GnRH), ib yam tshuaj uas tsim thiab zais los ntawm hypothalamus. GnRH nkoos lub anterior pituitary secrete gonadotropins-hormones uas tswj kev ua haujlwm ntawm gonads.
Yuav ua li cas rau GnRH thaum lub sijhawm puberty?
GnRH-dependent lossis central precocious puberty yog tshwm sim los ntawm ntxov maturation ntawm hypothalamic-pituitary-gonadal axis, ua rau pulsatile secretion ntawm GnRH thiab tom qab ua kom cov gonads. Nyob rau hauv cov ntaub ntawv no, tus yam ntxwv ntawm kev sib deev yog tsim nyog rau tus neeg mob tus txiv neej pw (isosexual).
Puas GnRH secreted ua ntej puberty?
Puberty as a reactivation of GnRH secretion. Cov kev tshawb fawb luv luv piav qhia saum toj no qhia tau hais tias kev txhim kho anatomical ntawm GnRH secretory system tshwm sim thaum ntxov hauv lub neej, thiab tiasmuaj peev xwm hluavtaws yog tam sim no zoo ua ntej puberty hauv GnRH mRNA qhia txog qib neeg laus.
Dab tsi zais qhov gonadotropin tso cov tshuaj hormones?
Ib yam tshuaj ua los ntawm ib feem ntawm lub hlwb hu ua hypothalamus. Gonadotropin-tso cov tshuaj hormones ua rauCov qog pituitary hauv lub hlwb los tsim thiab tso cov tshuaj hormones luteinizing hormone (LH) thiab follicle-stimulating hormone (FSH).
