💢 فسيو العصبي 4
#physiology_of_CNS 4
#CNS
*⃣📌Thalamus
■ Information from different parts of the body is arranged somatotopically👌👌👌
■ Destruction of the thalamic nuclei results in loss of sensation on the contralateral side of the body 👌👌👌
*⃣Somatosensory cortex :👇
■ The major somatosensory areas of the cerebral cortex are SI and SI I👌👌👌
■ The largest areas represent the face, hands, and fingers, where precise localization is
most important👌😎
*⃣Pain :👇👇👇
##The receptors for pain are free nerve endings in the skin, muscle, and viscera👌
## الناقل العصبي اللمسؤول عن الالم هو ال 👇👇👇
🔷Substance P👌
🛑Fibers for fast pain and slow pain :::👇👇👇
1⃣Fast pain is carried by group III fibers. It has a rapid onset and offset, and is localized 👌
2⃣Slow pain is carried by C fibers. It is characterized as aching, burning, or throbbing
that is poorly localized👌
##👆هدووول النوعين لاااازم نقدر نفرق بينهم ي حلوين😄👌😍💪
🛑Referred pain :👇👇👇
##Pain of visceral origin is referred to sites on the skin and follows the dermatome rule 👌
🔸 ايش هاد ال Dermatome rule ي دكتووووور؟🤔 اولا يسلمو ع السؤال الممتاز ي حلوين🙈😄 والجواب👇
*Dermatome rule : 👇👇👇
#👆 باختصار ي حلوين هو عبارة عن التغذية العصبية للجلد اللجاية من ال👇
🔸Single Spinal Nerve Root👌
🔷For example, ischemic heart pain is referred to the chest and shoulder.
تعليقات
إرسال تعليق