Qhov twg medial lemniscus decussates?
Qhov twg medial lemniscus decussates?

Video: Qhov twg medial lemniscus decussates?

Video: Qhov twg medial lemniscus decussates?
Video: EP 03: vim li cas Thaum Peb Lub Cev Xeeb Me Nyuam Peb ho coj khaub ncaws dawb 2024, Lub peb hlis ntuj
Anonim

Anatomical cov ntsiab lus ntawm neuroanatomy Lub medial lemniscus, tseem hu ua Reil's band lossis Reil's ribbon, yog ib qho kev nce qib loj ntawm myelinated axons uas decussate hauv lub hlwb, tshwj xeeb hauv medulla oblongata.

qhov nruab nrab lemniscus pib qhov twg?

Lub medial lemniscus (thib ob-txhais neuron ntawm DCML) pib ntawm cov nucleus gracilis thiab nucleus cuneatus ntawm caudal medulla; cov arcuate fibers decussate ntawm caudal medulla thiab nce mus los ntawm medial lemniscus contralaterally nyob rau hauv lub hlwb kom txog rau thaum synapsing ntawm lub ventral posterolateral nucleus ntawm lub thalamus, …

Dab tsi Decussates hauv qaum qaum?

Kev hla ntawm sab xis thiab sab laug corticospinal tract yog hu ua decussation, qee zaum hu ua decussation ntawm lub pyramids. Ob peb fibers, sib txawv ntawm tus lej, uas tsis hla yog sib sau ua ke hu ua anterior corticospinal tract.

Txoj kev twg Decussates nyob rau hauv kaw medulla?

Localization - Kev tshawb fawb tau tsim tias kab dorsal medial lemniscus txoj hauv kev decussates nyob rau hauv kaw dorsal medulla thiab pib raws li medial lemniscus ntawm sab ntawd.

Puas yog medial lemniscus hauv pons?

Rostral Pons

The medial lemniscus tau tsiv tom qab thiab kab hauv pem teb ntawm pons tegmentum Nco qab tias lub medial lemniscus muaj hla 2 ° somatosensory afferent fibers thiab nqa cov ntaub ntawv siv rau kev ntxub ntxaug kov thiab proprioception los ntawm lub cev.

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