Vim li cas testis nqis mus rau hauv scrotum?

Cov txheej txheem:

Vim li cas testis nqis mus rau hauv scrotum?
Vim li cas testis nqis mus rau hauv scrotum?
Anonim

Tesicles tsim nyob rau hauv lub plab thaum lub sij hawm fetal development. Thaum ob peb lub hlis dhau los ntawm kev loj hlob ntawm tus menyuam hauv plab, cov noob qes maj mam nqis los ntawm lub plab los ntawm txoj hauv kev zoo li lub raj hauv puab tais (kwj dej inguinal) mus rau hauv lub scrotum. Nrog rau qhov tsis muaj noob qes, cov txheej txheem ntawd nres lossis qeeb.

Dab tsi ua rau cov qog ntshav kom nqis mus rau hauv scrotum?

Kev koom tes ntawm gubernaculum thaum kawg tso cai rau cov qe ntshav mus hla cov kwj dej inguinal mus rau hauv scrotum. Txhua ntawm ob theem ntawm cov qog ntshav qog ntshav yog tswj hwm los ntawm cov tshuaj hormone secreted los ntawm Leydig hlwb: INSL3 tswj lub transabdominal theem, whereas testosterone tswj cov theem inguinoscrotal [6]..

Dab tsi yog qhov tseeb ntawm testis?

Testicular descent tshwm sim tom qab plaub lub hlis ntawm tus menyuam hauv plab. Cov noob qes yog muab los ntawm gonadal ridge medial mus rau mesonephric ridge ntawm nruab nrab cell loj.

Lub noob qes twg tseem ceeb dua?

Lub laug noob qes yog qhov loj tshaj qhov yog; yog li ntawd, cov leeg sab laug yog ntev tshaj li txoj cai. Vim tias cov leeg sab laug ntev dua, nws yuav raug teeb meem ntau dua thaum tso dej. Cov kua dej tsis zoo tuaj yeem ua rau muaj kab mob xws li qog nqaij hlav o thiab mob.

cov noob qes nqis thaum twg?

Ntau zaus, ib tug me nyuam tub noob qes nqis los ntawm lub sij hawm nws muaj 9 hli. Undescended testicles muaj nyob rau hauv cov me nyuam mos uasyug ntxov. Qhov teeb meem tshwm sim tsawg dua nyob rau hauv cov me nyuam mos tag nrho. Qee tus menyuam mos muaj ib yam mob hu ua retractile testes thiab tus kws kho mob yuav nrhiav tsis tau cov noob qes.

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