Human Anatomy Vol 1

(mdmrcog) #1
UPPER LIMB

Radial artery

Median nerve

Superficial palmar branch
of radial artery

Branch to muscles of
thenar eminence
Princeps pollicis artery
Abductor pollicis brevis

Flexor pollicis brevis

Radialis indicis artery

Ulnar artery

Ulnar nerve

Flexor retinaculum

For muscles of hypothenar eminence

Abductor digiti minimi
Flexor digiti minimi

Communicating branch between
ulnar and median nerves

Digital nerve and artery

Anastomoses of the digital afteries

Fig.9.20: Anterior view of right palm. Palmar aponeurosis and greater part of flexor retinaculum have been removed to display
supedicial palmar arch, ulnar nerve and median nerve, two muscles each of thenar and hypothenar eminences: Layer^1

Flexor retinaculum

Tendons of flexor digitorum profundus

Third and fourth lumbricals

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Cut tendon of flexor
digitorum superficialis

Two slips of insertion of flexor
digitorum superficialis

Nail bed

Fig. 9.21 : The origin of the lumbrical muscles from tendons of flexor digitorum profundus: Layer^2
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