nerves & their innervated m.'s Flashcards
External obturator, Pectineus, Adductor
Obturator n
Sartorius, quadriceps
Femoral N
Sartorius, cutaneous zone: medial thigh, stifle, leg, tarsus, and remainder of the paw
Saphenous n.
Internal Repro Structures
Pudendal n.
External anal sphincter
Caudal rectal n.
Muscles of penis or vestibule/vagina
Perineal n
from sacral plexus; cutaneous zone of proximal caudal thigh
Caudal cutaneous femoral n
Internal obturator, gamelli, quadratis femoris
Sciatic n
Cranial tibial, peroneus longus, long digital extensor
Common Peroneal n
cutaneous zone to dorsal paw
Superficial peroneal n
cutaneous zone to dorsal paw
Deep peroneal n
Gastrocnemius, SDF, DDF, Popliteus, deep digital flexor m
Tibial n
ventral branches of the lumbar and sacral spinal n.n.
lumbosacral plexus
Parent: Aorta
Exits the abdominal cavity through the ‘vascular lacuna’ (into the pelvic limb)
External iliac a
Located between the caudal border of the aponeurosis of the external abdominal oblique (inguinal ligament) and the pelvis
Vascular lacuna
Parent: External iliac a
Only branch off the external iliac a within the abdominal cavity
Deep femoral a
Parent: Deep femoral a
Common trunk for:
-external pudendal a
-caudal epigastric a
Pudendoepigastric trunk
Parent: Pudendoepigastric trunk
Supplies: Gracilis m, external repro organs
*Passes through the inguinal canal
External pudendal a
Parent: Pudendoepigastric trunk
Supplies: caudal aspect of Rectus abdominus m
Caudal epigastric a
Continuation of Deep femoral a
Supplies: Adductor m
*Passes through inguinal ring
Medial circumflex femoral a
Continuation of External iliac a 7 branches: 1. Superficial circumflex iliac a 2. Lateral circumflex femoral a 3. Proximal caudal femoral a 4. Saphenous a - Cranial branch - Caudal branch 5. Descending genicular a 6. Middle caudal femoral a 7. Distal caudal femoral a
Femoral a
Site for venipuncture and catheter placement in cats
Medial saphenous v
Site for venipuncture and catheter placement in dogs
Lateral saphenous v
Parent: Sciatic n
Innervates: Gastrocnemius m, Popliteus m, SDF, DDF
Tibial n
Parent: Common peroneal n
Innervates: cutaneous zone of dorsal paw
Deep peroneal n
Parent: Common peroneal n
Innervates: cutaneous zone of dorsal paw
Superficial peroneal n
Parent: Sciatic n
Innervates: Peroneus longus m, Long digital extensor m, Cranial tibial m
Common peroneal n
Parent: Sciatic n (tibial component)
Innervates: cutaneous zone of caudal crus
Caudal cutaneous sural n
Parent: Sciatic n (fibular component)
Innervates: cutaneous zone of lateral crus
Lateral cutaneous sural n
Parent: Lumbosacral trunk Innervates: Internal obturator m, Gemelli m, Quadratus femoris m, Biceps femoris m, Semi T, Semi M 4 branches: 1. Lateral cutaneous sural n 2. Caudal cutaneous sural n 3. Common peroneal n - Superficial peroneal n - Deep peroneal n 4. Tibial n
Sciatic n
Parent: Lumbosacral trunk
Innervates: Middle gluteal m, Deep gluteal m, Tensor fasciae latae m
Cranial gluteal n
Parent: Lumbosacral trunk
Innervates: Superficial gluteal m
Caudal gluteal n
Composed of 3 nerves:
- Caudal gluteal n
- Cranial gluteal n
- Sciatic n
Lumbosacral trunk
Innervates: Cutaneous zone of caudal thigh
Caudal cutaneous femoral n
Parent: Pudendal n
Innervates: skin of anus and perineum, muscles of penis or vestibule/vagina
Perineal n
Parent: Pudendal n
Innervates: External anal sphincter
Caudal rectal n
Innervates: Internal repro structures 3 branches: 1. Caudal rectal n 2. Perineal n 3. Dorsal n of the penis/clitoris
Pudendal n
Parent: Femoral n
Innervates: Sartorius m and saphenous cutaneous zone (skin on the medial side of the thigh, stifle, leg, tarsus and paw)
Saphenous n
Innervates: Sartorius m
1 branch: Saphenous n
Femoral n
Innervates: External obturator m, Pectineus m, Adductor m, Gracilis m
Obturator n
Ventral branches of the lumbar and sacral spinal nerves
Lumbosacral plexus
Continuation of Cranial tibial a
Supplies: tarsus
*Used for arterial catheter placement
Dorsal pedal a
Continuation of Popliteal a
Supplies: Peroneus longus m, Long digital extensor m, Cranial tibial m
1 branch: Caudal tibial a
Cranial Tibial a
Continuation of Femoral a
Supplies: stifle, Gastrocnemius m, Popliteal m
Popliteal a
Parent: Femoral a
Supplies: medial surface of stifle
Descending genicular a
Parent: Femoral a
Supplies: Biceps femoris m, Gastrocnemius m, Semimembranosus m, Semitendinosus m, SDF, DDF
Distal caudal femoral a
Parent: Femoral a
Supplies: Adductor m, Semimembranosus m
Middle caudal femoral a
Parent: Saphenous a
Supplies: caudal crus, hock, plantar paw
Caudal branch of saphenous a
Parent: Saphenous a
Supplies: dorsal crural muscles, dorsal paw
Cranial branch of saphenous a
Parent: Femoral a Supplies: skin on the medial stifle 2 branches: 1. Cranial branch 2. Caudal branch
Saphenous a
Parent: Femoral a
Supplies: Gracilis m, Adductor m, Pectineus m
Proximal caudal femoral a
Parent: Femoral a
Supplies: Hip joint capsule, Quadriceps m, Tensor fasciae latae m, Superficial gluteal m, Middle gluteal m
Lateral circumflex femoral a
Parent: Femoral a
Supplies: Sartorius m, Tensor fasciae latae m, Rectus femoris m
Superficial circumflex iliac a