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
lt
E
=
oCL
CL
f
C
.9
O()
a
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