2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
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).
Pom zoo:
Puas tau nyob rau lub hnub nyoog laus?
Yog ib tug neeg ua neej nyob mus txog hnub laus laus, lawv nyob mus txog thaum laus heev. Nws nyob rau lub hnub nyoog laus ntawm 95. ripe qub txhais li cas? txoj kev laus; siv tshwj xeeb los tham txog ib tug neeg uas muaj lub neej noj qab nyob zoo:
Puas muaj hnub nyoog laus laus lawm?
Lub hnub nyoog so haujlwm yuav nce los ntawm 65 mus rau 67 dhau 22-xyoos, nrog rau 11-xyoo hiatus uas lub hnub nyoog so haujlwm yuav nyob ntawm 66. Tus thawj Social Txoj Cai Kev Ruaj Ntseg Xyoo 1935 tau teeb tsa lub hnub nyoog tsawg kawg nkaus kom tau txais cov nyiaj so haujlwm tag nrho ntawm 65.
Hnub nyoog twg pib hnub nyoog li cas?
Lub Hnub Nyoog Kev Sib Haum Xeeb hauv Txoj Cai Kev Ua Haujlwm ntawm 1967 (ADEA) (29 U.S.C. § 621 txog 29 USC § 634) yog tsoomfwv txoj cai lij choj uas muab qee yam kev tiv thaiv kev ua haujlwm rau cov neeg ua haujlwm tshaj hnub nyoog plaub caug, leej twg ua haujlwm rau tus tswv haujlwm uas muaj nees nkaum lossis ntau tus neeg ua haujlwm.
Lub hnub nyoog twg yog qhov kev laus pib?
Thaum ntxov ntawm tus kab mob tuaj yeem pib thaum tib neeg nyob hauv lawv 30s, 40s, lossis 50s. Nrog kev kho mob thiab kev kuaj mob ntxov, koj tuaj yeem ua rau qeeb ntawm tus kab mob thiab tswj kev puas siab puas ntsws. Puas muaj qhov sib txawv ntawm dementia thiab senility?
Hnub nyoog twg yog hnub nyoog nruab nrab?
Hnub nyoog nruab nrab, lub sijhawm ntawm tib neeg kev laus uas tam sim ntawd ua ntej qhov pib ntawm kev laus. Txawm hais tias lub sijhawm muaj hnub nyoog uas txhais cov hnub nyoog nruab nrab yog me ntsis arbitrary, txawv heev ntawm ib tug mus rau ib tug neeg, feem ntau txhais tau tias yog nruab nrab ntawm cov hnub nyoog ntawm 40 thiab 60.
