2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
A retinal ganglion cell (RGC) yog ib hom neuron nyob ze rau sab hauv (lub ganglion cell txheej) ntawm retina ntawm lub qhov muag. Nws tau txais cov ntaub ntawv pom los ntawm photoreceptors ntawm ob hom neuron nruab nrab: cov hlwb bipolar thiab amacrine cells.
Lub cev ntawm cov hlwb ganglion nyob qhov twg?
Sensory ganglia
Lub cev ntawm somatic sensory thiab visceral sensory neurons muaj nyob rau hauv lub hauv paus dorsal ganglia ntawm tus txha caj qaum, thiab ntawm ganglia ntawm xaiv cranial paj hlwb. Li no hu ua sensory ganglia.
Yuav ua li cas feem ntau cov kab mob qog nqaij hlav retinal txiav tawm qhov twg?
Ganglion cell axons xaus hauv lub lateral geniculate nucleus ntawm thalamus, superior colliculus, lub pretectum, thiab hypothalamus. Kom pom tseeb, tsuas yog hla axons ntawm lub qhov muag sab xis xwb.
Puas muaj pes tsawg lub hlwb retinal ganglion muaj?
Tseem muaj tshaj ib lab retinal ganglion hlwb hauv tib neeg retina, thiab lawv tso cai rau koj pom thaum lawv xa cov duab rau koj lub hlwb.
Yuav ua li cas yog tias tsis muaj cov kab mob qog nqaij hlav retinal?
Retinal ganglion cell (RGC) poob yog qhov pom ntawm optic neuropathies, suav nrog glaucoma, qhov kev puas tsuaj rau RGC axons tshwm sim ntawm theem ntawm lub paj hlwb. Hauv kev sim glaucoma, kev puas tsuaj raug soj ntsuam ntawm qib axon (nyob rau hauv cov paj hlwb retinal fiber ntau txheej thiab lub paj hlwb optic taub hau) lossis ntawm qib soma (hauv retina).
Pom zoo:
Cov hlwb haploid tsim nyob rau hauv tib neeg nyob qhov twg?
Nyob hauv tib neeg, n=23. Gametes muaj ib nrab ntawm cov chromosomes uas muaj nyob rau hauv ib txwm diploid hlwb ntawm lub cev, uas tseem hu ua somatic hlwb. Haploid gametes yog tsim thaum meiosis, uas yog hom kev faib ntawm tes uas txo cov chromosomes hauv niam txiv diploid cell los ntawm ib nrab.
Qhov teeb meem grey thiab dawb nyob rau hauv lub hlwb nyob qhov twg?
Cerebral cortex - Txheej txheej ntawm lub hlwb, lub paj hlwb cortex, muaj cov kab ntawm grey teeb meem neurons, nrog cov teeb meem dawb nyob hauv qab. Qhov chaw no yog qhov tseem ceeb rau ntau qhov kev kawm siab dua, suav nrog kev mloog, kev nco, thiab kev xav.
Aggressiveness nyob rau hauv lub hlwb nyob qhov twg?
Ob lub paj hlwb koom nrog hauv cov neural network ntawm tus cwj pwm aggressive yog the amygdala thiab hypothalamus. Lub paj hlwb dab tsi tswj kev ua phem? Kev coj cwj pwm nruj feem ntau txuas rau kev ua haujlwm tsis zoo hauv lub ntsej muag lobes, uas yog lub luag haujlwm rau kev ua haujlwm thiab kev coj tus cwj pwm tsis zoo (Anderson thiab Bushman, 2002;
Lub hlwb puas pom nyob qhov twg?
Ntau cov ntaub so ntswg nrog cov ceg ntoo, xws livasculature, raum, mammary caj pas, lub ntsws thiab lub paj hlwb, ua haujlwm los pauv kua dej, gases thiab cov ntaub ntawv thoob plaws hauv lub cev. kab mob. Cov ntaub so ntswg twg muaj cov kab mob?
Claustrum nyob rau hauv lub hlwb nyob qhov twg?
Lub claustrum tsis nyob txhua qhov chaw hauv qab lub paj hlwb. Nws yog qhov tseem ceeb, tab sis tsis yog tag nrho, nyob rau hauv cheeb tsam dav dav ntawm lub cev cortex. Cov duab tseeb txawv ntawm hom mus rau hom. Daim duab 2 qhia txog cov duab dav dav ntawm tib neeg claustrum thiab nws nyob hauv qab lub cortex li cas.
