Sacral and Coccygeal Ventral Rami Flashcards
Each sacral ventral rami and coccygeal nerve recieives a grey ramus communicate from the corresponding sympathetic ganglion. True/False.
True.
The fifth sacral ventral ramus enters the pelvis thru the ___.
Sacral Hiatus.
The lumbosacral trunk comprises all the fourth and fifth lumbar ventral rami. True/False.
False. Only part of L4.
Name the nerves which appear at the medial margin of the psoas major.
L4 and L5.
The upper and large band of the sacral plexus becomes ___.
Sciatic Nerve.
The superior gluteal artery lies between the first and second sacral ventral rami. True/Flase.
True, it sometimes does.
The common peroneal nerve is formed by dorsal division of the sacral plexus. True/Flase.
True, and S1-S2 ventral rami.
Name the nerve which leaves the pelvis thru the greater sciatic foramen above the prirformis.
Superior Gluteal Nerve (L4, L5, S1)
Name the nerve which innervates the tensor fascia latae.
Inferior branch of Superior gluteal nerve.
Name the nerves which are formed by both dorsal and ventral branches of the sacral plexus.
Posterior Femoral Cutaneous Nerve.
Name the nerve which accompanies the inferior gluteal vessels.
Posterior femoral cutaneous nerve.
Name the nerve which innervates the skin of the gluteal region perineum and posterior side of the thigh and leg.
Posterior femoral cutaneous nerve.
Name the nerve which leaves the pelvis thru the greater sciatic foramen below the piriformis and descends between the greater trochanter and ischial tuberosity.
Sciatic nerve.
The tibial nerve appears from the dorsal branches of the fourth and fifth lumbar, and first to third sacral ventral rami. True/False.
False, ventral branches of L4 and L5.
Name the artery which accompanies the tibial nerve in the posteromedial side of the leg.
Posterior tibial artery.
Name the nerve which passes anterior side of the arch of the soleus behind the soleal line.
Tibial nerve.
Name the nerve which innervates the distal tibiofibular joint.
Interosseous branch of muscular branch of tibial nerve.
The sural nerve descends medial to the tenon calcaneous with the lesser saphenous vein. True/False.
True.
Name the nerve which connects with the superficial peroneal nerve on the dorsum of the foot and the posterior femoral cutaneous nerve in the leg.
Sural nerve of tibial nerve.
Name the nerve which accompanies the arteria dorsalis pedis.
Medial terminal branch of deep fibular nerve.
Name the nerve which appears between the abductor hallucis and the flexor digitorum brevis.
Medial plantar nerve of tibial nerve.
Name the nerve which supplies adjacent side of the 3rd and 4th toes and connects with the lateral plantar nerve.
3rd common plantar digital nerve of medial plantar nerve.
Most deep plantar muscles of the foot are innervated by the ___ of ___.
Lateral plantar nerve of tibial nerve.
The lateral common digital nerve of the superficial nerve from the lateral plantar nerve innervates the dorsal and plantar interossei in the fourth intermetatarsal space. True/False.
True.
The first lumbrical is innervated by the ___ of ___.
1st common plantar digital nerve of the medial plantar nerve.
The deep branch of the lateral plantar nerve innervates the second, third and fourth lumbricals. True/False.
True.
Name the nerve which innervates the adductor hallucis.
Deep branch of lateral plantar nerve.
the common fibular nerve is derived from the dorsal branches of the fourth and fifth lumbar and first, second sacral ventral rami. True/False.
True.
Name the nerve which gives off the recurrent articular nerve to the anterolateral part of the knee capsule and the proximal tibifibular joint.
Common fibular of the sciatic nerve.
Name the nerve which curves lateral to the fibular neck, deep to the peroneus longus.
Common fibular nerve of the sciatic nerve.
Name the artery which accompanies the deep peroneal nerve.
Anterior tibial artery of popliteal artery.
Name the nerve which innervates the peroneus tertius.
Deep fibular of the common fibular nerve.
Name the nerve which enlarges as a pseudo ganglion on the dorsum of the foot and supplies the extensor digitorum brevis.
Lateral terminal branch of the deep fibular nerve.
Name the nerve which supplies the first metatarsophalangeal joing.
Medial terminal branch of the deep fibular nerve.
Name the nerve which innervates the peroneus longus and brevis.
Superficial peroneal nerve of the common fibular nerve.
Name the nerve which supplies adjacent sides of the first and second toes on the dorsum of the foot.
Medial terminal branch of the deep fibular nerve.
Name the nerve which might cause foot drop and weakness of ankle dorsi flexion when it is damaged.
Common fibular nerve.
Name the nerve which pierces the sacrotuberous ligament.
Perforating cutaneous nerve of the sacral plexus.
The pudendal nerve arises from the ventral division of ___.
S2-4 ventral rami.
Name the nerve which passes thru the lesser sciatic foramen into the pudendal canal.
Pudendal nerve.
Name the nerve which innervates the glans penis.
Dorsal nerve of the penis.
Name the nerve which passes thru the hiatus between the urogenital diaphragm and the inferior pubic ligament.
Dorsal nerve of the penis of the pudendal nerve.
The pudendal nerve can be blocked by injection with a local anesthetic application towards the ischial spine, thru the ___.
Vaginal wall.
