Video: Muaj pes tsawg hom glial cells muaj?
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
peb hom
Ib yam li ntawd, hom glial hlwb yog dab tsi?
Kev Txhais Lus Kho Mob ntawm Glial cell Glial cell muaj ntau tshaj hom xov tooj nyob rau hauv lub hauv paus paj hlwb. Hom glial cells muaj xws li oligodendrocytes, astrocytes, ependymal hlwb , Schwann hlwb , microglia, thiab satellite hlwb.
Tsis tas li, dab tsi yog cov duab ntawm glial cells? Schwann hlwb muaj elongated nuclei thiab nthuav tawm lub elongated, tubular puab . Schwann hlwb qhwv ze ntawm axons raws li cov axons hla Schwann ntawm tes cytoplasm. Astrocytes yog lub hnub qub- zoo li glial hlwb uas muaj ntau cov txheej txheem txuas ntxiv los ntawm lawv.
Yog li ntawd, glial hlwb yog dab tsi thiab lawv lub luag haujlwm yog dab tsi?
Lawv muaj plaub lub ntsiab kev ua haujlwm : (1) puag ncig neurons thiab tuav lawv nyob rau hauv qhov chaw; (2) muab cov as -ham thiab oxygen rau cov neurons; (3) insulate ib neuron los ntawm lwm tus; (4) los rhuav tshem cov kab mob thiab tshem tawm cov neurons tuag.
Yuav muaj dab tsi tshwm sim yam tsis muaj glial cells?
Cov kev tshawb fawb tau qhia tias tsis muaj glial hlwb , neurons thiab lawv cov synapses tsis ua haujlwm zoo. Piv txwv li, cov neurons raug tshem tawm ntawm cov nas tau pom los ua ob peb lub synapses thiab tsim cov kev ua haujlwm me me kom txog thaum lawv tau ncig los ntawm glial hlwb paub tias yog astrocytes.
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Yuav muaj dab tsi tshwm sim yam tsis muaj glial cells?
Cov kev tshawb fawb tau qhia tias tsis muaj glial cells, neurons thiab lawv cov synapses ua haujlwm tsis raug. Piv txwv li, cov neurons raug tshem tawm ntawm cov nas tau pom los ua ob peb lub synapses thiab tsim cov kev ua haujlwm me me kom txog thaum lawv tau nyob ib puag ncig los ntawm cov hlwb glial hu ua astrocytes