WristandHand
Plate447
WristandHand:DeeperPalmarDissections
Radial artery and venae comitantes
Flexor carpi radialis tendon
Tendinous sheath of
flexor pollicis longus
(radial bursa)
Median nerve
Palmaris longus tendon and
palmar carpal ligament
Flexor retinaculum
(transverse carpal
ligament)
Thenar muscles
Proper palmar
digital nerves
of thumb
(Synovial)
tendinous
sheath of flexor
pollicis longus
(radial bursa)
Probe in 1st
lumbrical
fascial sheath
Common palmar
digital artery
Proper palmar digital arteries
Septa from palmar
aponeurosis forming canals
Palmar aponeurosis
(
reflected
)
Ulnar artery with venae comitantes and ulnar nerve
Flexor carpi ulnaris tendon
Common flexor sheath (ulnar bursa) containing
superficialis and profundus flexor tendons
Pisiform
Deep palmar branch of ulnar artery and deep
branch of ulnar nerve
Superficial branch of ulnar nerve
Palmar digital nerves to 5th finger and
medial half of 4th finger
Median nerve
Common flexor sheath (ulnar bursa)
Superficial palmar arterial and venous arches
2nd, 3rd, and 4th lumbrical muscles (in fascial sheaths)
(Synovial) flexor tendon sheaths of fingers
Anterior (palmar) views
Proper palmar digital nerves of thumb
Fascia over adductor pollicis muscle
1st dorsal interosseous muscle
Probe in dorsal extension of thenar
space deep to adductor pollicis muscle
Thenar space (deep to flexor tendons
and 1st lumbrical muscle)
Septum separating thenar from midpalmar space
Common palmar digital artery
Proper palmar digital arteries and nerves
Ulnar artery
and nerve
Common palmar
digital branches of
median nerve (
cut
)
Hypothenar muscles
Common flexor
sheath (ulnar
bursa)
5th finger
(synovial)
tendinous sheath
Probe in
midpalmar space
Midpalmar space
(deep to flexor
tendons and
lumbrical muscles)
Insertion of
flexor digitorum
superficialis tendon
Insertion of flexor digitorum
profundus tendon
Anular and cruciform parts of fibrous sheath
over (synovial) flexor tendon sheaths
Superficial
palmar branch
of radial artery
and recurrent
branch of
median nerve
to thenar
muscles
