اناٹومی مطالعاتی نوٹ · Upper limb
Lumbricals of the hand
Four small worm-like muscles arising from the tendons of flexor digitorum profundus. They flex the knuckle joints while straightening the finger joints.
اہم نکات
- Arise from FDP tendons → extensor expansions.
- Lateral two: median. Medial two: ulnar.
- Flex MCP + extend IP.
- Paralysis → claw hand.
- Limb muscles: in situ from limb-bud mesenchyme.
- Upper limb bud C4–T2; lower limb bud L2–S2.
- Skeletal muscle: multinucleated, peripheral nuclei, striated.
- Epimysium → perimysium → endomysium.
اٹلس میں مکمل نوٹ میں یہ بھی شامل ہے
Origin · Insertion · Action · Nerve supply · 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. 315–316, 322
- Inderbir Singh’s Human Embryology, ch. 7, PDF p. 109; ch. 10, PDF pp. 142–145
- BRS Cell Biology & Histology, 7th ed., ch. 8, PDF pp. 135–144
upper limb سے مزید
- 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
- Pectoralis minor
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