2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Pituicytes nyob hauv pars nervosa ntawm posterior pituitaryinterspersed nrog unmyelinated axons thiab Herring lub cev. Lawv feem ntau stain tsaus liab doog nrog H&E stain, thiab yog cov qauv yooj yim tshaj plaws los txheeb xyuas hauv cheeb tsam.
Herring cev nyob qhov twg?
Herring lub cev lossis lub cev neurosecretory yog cov qauv pom nyob hauv lub qab pituitary. Lawv sawv cev rau qhov kawg ntawm cov axons los ntawm hypothalamus, thiab cov tshuaj hormones tau khaws cia nyob rau hauv cov chaw no ib ntus.
Lub lobe ntawm lub caj pas pituitary twg muaj Pituicytes?
Posterior Pituitary (Neurohypophysis)
Lub qab lobe ntawm cov neurohypophysis yog tsim los ntawm cov pituicytes uas yog cov hlwb glial. nrog lub luag haujlwm txhawb nqa.
Chromophil cells yog dab tsi?
Chromophil cells yog feem ntau yog cov qe tsim cov tshuaj hormones uas muaj cov hu ua chromaffin granules. Hauv cov qauv subcellular, amino acid precursors rau qee cov tshuaj hormones tau sau thiab tom qab ntawd decarboxylated rau cov amines sib xws, piv txwv li epinephrine, norepinephrine, dopamine lossis serotonin.
anterior pituitary nyob qhov twg?
Lub pituitary sab xub ntiag: sab pem hauv ntej ntawm lub pituitary, ib caj pas me me hauv lub taub hau hu ua lub caj pas tswv. Cov tshuaj hormones secreted los ntawm anterior pituitary cuam tshuam kev loj hlob, kev loj hlob ntawm kev sib deev, daim tawv nqaij pigmentation, thyroid function, thiab adrenocortical.muaj nuj nqi.
Pom zoo:
Qhov khoom nyob rau pem hauv ntej ntawm lub lens diverging nyob qhov twg?
Teb: Dav hlau daim iav Dav Hlau Daim iav Rau lub teeb rays tawm lub dav hlau daim iav, lub lub kaum sab xis ntawm kev xav sib npaug ntawm lub kaum sab xis ntawm qhov xwm txheej. … Daim duab tsim los ntawm daim iav dav hlau yog ib txwm virtual (lub ntsiab lus tias lub teeb rays tsis yog los ntawm daim duab), upright, thiab ntawm tib lub duab thiab loj npaum li cov khoom nws yog reflecting.
Qhov chaw ncig tebchaws nyob hauv bhagalpur nyob qhov twg?
Bhagalpur faib lub zos yog ib pawg tswj hwm thaj chaw ntawm Bihar xeev ntawm Is Nrias teb, nrog Bhagalpur ua thawj coj hauv paus chaw haujlwm. Raws li xyoo 2005, qhov kev faib muaj xws li Bhagalpur koog tsev kawm ntawv, thiab Banka koog tsev kawm ntawv thiab nyob rau ntawm ntug dej ntawm Ganga River.
Kev tsis ncaj ncees nyob qhov twg yog qhov hem rau kev ncaj ncees nyob txhua qhov chaw?
Martin Luther King tau hais tias: “Kev tsis ncaj ncees nyob txhua qhov chaw yog kev hem thawj rau kev ncaj ncees nyob txhua qhov chaw. Peb raug ntes nyob rau hauv ib tug inescapable network ntawm kev sib nrig sib pab, khi nyob rau hauv ib lub tsoos tsho ntawm txoj hmoo.
Qhov twg yog qhov tsis txaus ntseeg nyob qhov twg?
Yuav muaj ob lub cev tsis zoo nyob rau hauv lub midbrain. Lawv yog symmetrically positioned, ib tug nyob rau ntawm ob sab ntawm lub midline ntawm lub hlwb, thiab lawv tsim ob lub pob nyob rau hauv lub posterior nto ntawm lub paj hlwb nyob rau hauv qab ntawm lub superior colliculi.
Qhov twg tag nrho cov nqi hluav taws xob nyob ntawm qhov kev siv nyiaj siab tshaj plaws yog qhov twg?
marginal utility is zero. Tag nrho cov nqi hluav taws xob yog siab tshaj thaum marginal utility yog xoom. Qhov no yog vim muaj ntau txoj cai ntawm kev txo qis marginal utility uas hais tias tus neeg siv khoom noj ntau thiab ntau qhov zoo, qhov ntxiv rau tag nrho cov nqi hluav taws xob poob.
