Peripheral Nervous System Flashcards
What is cranial nerve 1? What is its Foramina, CNS origin, and destination & function?
Olfactory Nerve
Foramina: Cribriform Plate
CNS origin: Olfactory bulb
D&F: sensory - olfactory epithelium
What is cranial nerve 2? What is its Foramina, CNS origin, and destination & function?
Optic Nerve
Foramina: optic canal
CNS origin: occipital lobe & thalamus
D&F: sensory - retina
What is cranial nerve 3? What is its Foramina, CNS origin, and destination & function?
Oculomotor
Foramina: Superior orbital fissure
CNS origin: Ventral Midbrain
D&F: motor - most eye muscles
What is cranial nerve 4? What is its Foramina, CNS origin, and destination & function?
Trochlear
Foramina: Superior orbital fissure
CNS origin: Dorsal midbrain
D&F: motor - eye movement
What is cranial nerve 5?
Trigeminal Nerve
What is cranial nerve 6? What is its Foramina, CNS origin, and destination & function?
Abducens Nerve
Foramina: Superior orbital fissure
CNS origin: pons-medulla junctions
D&F: motor - lateral rectus eye muscles
What is cranial nerve 7? What is its Foramina, CNS origin, and destination & function?
Facial Nerve
Foramina: Internal Acoustic Meatus
CNS origin: Pons
D&F: sensory - tongue taste motor - facial expression muscles, salivary glands
What is cranial nerve 8? What is its Foramina, CNS origin, and destination & function?
Vestibulocochlear Nerve
Foramina: Internal Acoustic meatus
CNS origin: medulla oblongata
D&F: sensory - inner ear
What is cranial nerve 9? What is its Foramina, CNS origin, and destination & function?
Glossopharyngeal Nerve
Foramina: jugular foramen
CNS origin: medulla oblongata
D&F: sensory - tongue taste
What is cranial nerve 10? What is its Foramina, CNS origin, and destination & function?
Vagus Nerve
Foramina: jugular foramen
CNS origin: medulla oblongata
D&F: thoracic & abdominal viscera motor - viscera
What is cranial nerve 11? What is its Foramina, CNS origin, and destination & function?
Spinal Accessory Nerve
Foramina: Jugular Foramen
CNS origin: Ventral Rootlets C1-C5
D&F: motor - trapezius, sternocleidomastoid muscles
What is cranial nerve 12? What is its Foramina, CNS origin, and destination & function?
Hypoglossal Nerve
Foramina: Hypoglossal Canal
CNS origin: Medulla Oblongata
D&F: motor - tongue muscles
What is cranial nerve V1? What is its Foramina, CNS origin, and destination & function?
Ophthalmic Nerve
Foramina: superior orbital fissure
CNS origin: trigeminal ganglion, pons
D&F: sensory - face
What is cranial nerve V2? What is its Foramina, CNS origin, and destination & function?
Maxillary Nerve
Foramina: foramen rotundum, inferior orbital fissure
CNS origin: trigeminal ganglion, pons
D&F: sensory - face
What is cranial nerve V3? What is its Foramina, CNS origin, and destination & function?
Mandibular Nerve
Foramina: foramen ovale
CNS origin: trigeminal ganglion, pons
D&F: sensory - tongue, motor: swallowing
What are the cervical spinal nerves?
C1-C8
What are the thoracic spinal nerves?
T1-T12
What are the lumbar spinal nerves?
L1-L5
What are the sacral spinal nerves?
S1-S2
What muscle is #1? What are the actions, origins, and actions?
Iliacus
O: iliac fossa, ala of the sacrum
I: lesser trochanter of femur
A: flexes thigh, flexes trunk
What muscle is #2? What are the actions, origins, and actions?
Psoas Major
O: transverse processes of T12 - L5
I: lesser trochanter of femur
A: flexes thigh, flexes trunk
What muscle is #3? What are the actions, origins, and actions?
Quadratus Lumborum
O: iliac crest and lumbar fascia
I: transverse processes of L1-L3
A: flexes vertebral column
What muscles & structures does the phrenic nerve innervate?
Diaphragm, pleura, pericardium
What muscles & structures does the axillary nerve innervate?
Deltoid, teres minor
What muscles & structures does the radial nerve innervate?
Triceps brachii, brachioradialis
What muscles & structures does the musculocutaneous nerve innervate?
Coracobrachialis, biceps brachii, brachialis
What muscles & structures does the ulnar nerve innervate?
Flexor carpi ulnaris, flexor digitorum profundas
What muscles & structures does the median nerve innervate?
Forearm flexors
What muscles & structures does the genitofemoral nerve innervate?
internal oblique, inguinal area
What muscles & structures does the femoral nerve innervate?
Quadriceps, iliacus, sartorius
What muscles & structures does the obturator nerve innervate?
adductor longus, brevis, & magnus
What muscles & structures does the superior and inferior gluteal nerve innervate?
gluteaus maximus, medius, minimus
What muscles & structures does the pudendal nerve innervate?
External genitalia
What muscles & structures does the common fibular nerve innervate?
biceps femoris long head
What muscles & structures does the superficial fibular nerve innervate?
fibularis longus & brevis
What muscles & structures does the deep fibular nerve innervate?
tibialis anterior, foot joints & muscles
What muscles & structures does the tibial nerve innervate?
posterior thigh & leg muscles
What structure is #1?
Olfactory Nerve
What structure is #2?
Optic Nerve
What structure is #3?
Oculomotor Nerve