A ganglion yog ib pawg pawg ntawm neuron cell neuron cell Nerve fibers tau muab faib ua peb hom - pawg A paj hlwb, pawg B paj fibers, thiab pawg C paj hlwb. Cov pab pawg A thiab B yog myelinated, thiab pawg C yog unmyelinated. Cov pab pawg no suav nrog ob qho tib si sensory fibers thiab motor fibers. https://en.wikipedia.org › wiki › Axon
Axon - Wikipedia
bodies nyob rau hauv qhov chaw. Ganglia tuaj yeem raug categorized, rau feem ntau, xws li kev hnov mob ganglia lossis autonomic ganglia, xa mus rau lawv cov haujlwm tseem ceeb. … Lub ganglion yog qhov loj ntawm lub paj hlwb.
Dab tsi yog ganglia?
Ganglia yog ovoid cov qauv uas muaj cov cell lub cev ntawm cov neurons thiab glial hlwb txhawb nqa los ntawm cov ntaub so ntswg sib txuas. Ganglia muaj nuj nqi zoo li relay chaw nres tsheb - ib lub paj hlwb nkag mus thiab lwm qhov tawm. Cov qauv ntawm ganglia yog qhia los ntawm cov piv txwv ntawm tus txha caj qaum ganglion.
peb hom kab mob dab tsi?
Ntawm cov vertebrates muaj peb pawg loj ntawm ganglia:
- Dorsal cag ganglia (tseem hu ua tus txha caj qaum ganglia) muaj lub cev ntawm tes ntawm kev hnov qab (afferent) neurons.
- Cranial paj ganglia muaj cov cell lub cev ntawm cranial paj hlwb.
- Autonomic ganglia muaj lub cev ntawm tes ntawm cov hlab ntsha autonomic.
Dab tsi yog hom ganglia?
Muaj ob hom kab laum hauv PNS:
- sensory ganglia: - cell cevntawm kev hnov qab neurons.
- autonomic ganglia: cell lub cev ntawm efferent neurons los ntawm lub paj hlwb autonomic.
Dab tsi yog ganglia paj?
Ganglion, plural ganglia, ntxhiab pawg ntawm cov paj hlwb lub cev tam sim no nyob rau hauv feem ntau cov tsiaj saum toj no theem ntawm cnidarians. … Ib tug txha caj qaum, piv txwv li, yog ib pawg ntawm cov hlab ntsha lub cev nyob ntawm tus txha caj qaum ntawm lub dorsal thiab ventral cag ntawm tus txha caj qaum.
