Turkish eeb ntawm lub hlwb: lub luag haujlwm tseem ceeb hauv tib neeg lub cev, pathologies thiab lawv tus mob

Lub Turkish eeb yog ib qho qauv anatomical nyob ntawm lub hauv paus ntawm lub pob txha taub hau ntawm nws cov hlav hlwb, qhov twg yog qhov tseem ceeb hauv lub caj pas qis thiab qhov tseem ceeb tshaj plaws ntawm kev tswj hwm ntawm lub cev. Structurally Turkish hlwb ua ke raws li nram no: nws yog laus nyob rau hauv lub sphenoid so nrog lub rov qab, lub sab ntawm uas yog ob tug raws ntawm lub optic paj thiab optic chiasm muaj nyob rau hauv pem hauv ntej saum npoo av. Ntawm no yog cov qhov ntswg venosus, thiab nkag mus rau hauv lub cranial kab noj hniav nrog ob tug carotid cov hlab ntsha, uas tsim lub ntsiab arterial ntshav mov rau lub pas dej hemispheres.

Anatomical cov ntaub ntawv

Turkish eeb ntawm lub paj hlwb yog nyob hauv lub hypothalamus, ib qho feem ntawm qhov nruab nrab ntawm lub pob zeb uas muab coj los ua cov ntsiab lus thiab cov pauv, peptide molecules uas xa cov teeb liab mus rau hauv lub caj pas pituitary occupying tag nrho qhov chaw ntawm kev nyuaj siab ntxhov plawv. Raws li ua los ntawm pituitary hormone muab faib ua peb feem, uas txawv nyob rau hauv keeb kwm thaum lub sij hawm ontogeny. Thawj feem hu ua neurohypophysis thiab los ntawm cov nqaij ntshiv. Nyob rau hauv nws, cov vitamins pituitary tsim ua cov tshuaj hormones tseem ceeb rau kev pauv dej thiab kev tswj ntawm qhov kev ua haujlwm ntawm qhov kev ua haujlwm ntawm lub sijhawm hauv plab thiab lub ducts ntawm cov qog nqaij hlav hauv lub sijhawm thaum pub mis. Qhov no yog vasopressin thiab oxytocin, feem.

Qhov thib ob feem yog adenohypophysis, uas tswj cov khoom xyaw ntawm cov tshuaj hormones los ntawm lwm cov qog hauv cov qog, uas cuam tshuam ncaj qha rau lawv los ntawm kev siv tshuaj ntsuab tropic. Nyob rau hauv cov ntaub ntawv no, adenohypophysis "tau txais" ib lub teeb liab los ntawm hypothalamic statins, uas inhibit qhov kev rho tawm ntawm kev sib tw, thiab kev tso dag. Nws yog qhov tseem ceeb tshaj plaws tias cov menyuam yaus ntawm lub paj hlwb yog rau feem ntau ntawm cov txheej txheem ntawm cov caj pas, vim hais tias feem peb feem ntau yog tsawg tshaj qhov so, txawm tias tag nrho cov hnyuv loj hauv pituitary caj pas raug tsim los ntawm ib tus neeg laus ntawm 500 mg. Qhov thib peb yog ib nrab ntawm cov caj pas, uas yog ncaj qha ntsig txog lub adenohypophysis, tiam sis, muaj ntau hom hlwb uas ua ke melanocyte-stimulating hormone, uas ua rau cov synthesis ntawm melanin hauv cov hlwb tshwj xeeb ntawm cov kab mob ntawm daim tawv nqaij.

Lub hauv paus tseem ceeb tshaj plaws nyob rau hauv kev txhim kho ntawm pituitary hormone deficiency

Ib qhov tseeb ntawm tus qauv ntawm lub caj pas pituitary thiab lub paj hlwb ntawm lub hlwb yog qhov muaj cov diaphragm ntawm lub Turkish eeb, uas ua tau cais qhov nruab nrab lub hlwb los ntawm cov hypothalamus ntawm lub caj pas. Nyob rau hauv no feem ntau qhov no qauv yog underdeveloped. Qhov tseeb no tau tsim los ntawm ib tug kws tshawb fawb nrog lub npe Busch hauv xyoo 1951, hu xov tooj rau txoj kev loj hlob ntawm ib tus npliag Turkish. Nyob rau tib lub sijhawm, tus naiskhu nplawm Turkish nplawm yog qhov zoo tshaj plaws hauv kev loj hlob ntawm ib pab pawg neeg neuroendocrine.

Diagnostic ntsuas

Lub Turkish eeb ntawm lub hlwb, vim muaj cov yam ntxwv ntawm cov yam ntxwv, tsis tau txais nws tus kheej rau cov kev cai ntawm kev tshawb fawb, yog li ntawd qhov kev pom tau ntawm nws cov ntsiab lus yog ua los ntawm radiotherapy thiab MRI. Cov duab xoo hluav taws xob yog qhov kev pom zoo tshaj plaws ntawm kev pom lub cev ntawm cov kab mob pituitary. Nws suav ob lub tshuab tom qab thiab xoo hluav taws xob ntawm tus poj niam Turkish. Thawj hom yog txuam nrog cov thev naus laus zog, tab sis feem ntau qhia, raws li nws muab lub sijhawm los ntsuam xyuas lub qauv ntawm lub hlwb thiab caj pas hauv particular. Roentgen kuj muab 2 cov duab summation hauv lub lateral thiab frontal projections. Kuj tseem ceeb heev yog txoj kev MRI, uas yog ib qho tsis zoo rau CT hauv kev raug, tiam sis tsis qhia tus neeg mob kom tawg. Tshaj tej ntawm, cov kev kuaj kab mob ntawm cov kab mob pituitary tuaj yeem tshawb xyuas ob qho tib si ntawm lub diaphragm ntawm lub eeb thiab muaj cov qog hloov hauv cov caj pas.