اناٹومی مطالعاتی نوٹ · Upper limb

Long thoracic nerve

A nerve from the roots of the plexus (C5, 6, 7) that runs down on the outer surface of serratus anterior and supplies it.

اہم نکات

• Roots C5, 6, 7.
• Lies on the superficial surface of serratus anterior.
• Injury → winged scapula.
• Upper limb nerves: C4–T2 segments; lower limb: L2–S2.
• Ventral root: basal-lamina neurons. Dorsal root: neural-crest ganglion cells.
• Nerve: epineurium → perineurium (blood–nerve barrier) → endoneurium.
• Cut nerve: Wallerian degeneration; regrows 0.5–3 mm/day.

اٹلس میں مکمل نوٹ میں یہ بھی شامل ہے

Course · Histology · Development · طبی اہمیت

مفت سائن اِن کریں تاکہ اسے 3D ماڈل پر دیکھیں، مکمل نوٹ پڑھیں اور اس پر سوالات کی مشق کریں۔

ماخذ

• Snell’s Clinical Anatomy by Regions, 10th ed., ch. 3, PDF pp. 340, 356
• Inderbir Singh’s Human Embryology, ch. 17, PDF pp. 318, 321, 323–325; ch. 10, PDF pp. 143–144
• BRS Cell Biology & Histology, 7th ed., ch. 9, PDF pp. 163–166, 171–172

upper limb سے مزید

• Lumbricals of the hand
• Medial cutaneous nerves of arm and forearm
• Median cubital vein
• Median nerve
• Metacarpal bones
• Metacarpophalangeal and interphalangeal joints of the hand
• Musculocutaneous nerve
• Nerve to subclavius
• Palmar aponeurosis
• Palmaris longus
• Pectoral nerves
• Pectoralis major

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