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OU BIO 206 PNS
N/A
70
Anatomy
Undergraduate 1
07/13/2012

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Cards

Term
The PNS is composed of __ spinal nerves & ___ cranial nerves
Definition
31, 12
Term
Ventral rami supply the ___ of the body,  _____ thorax, ____ & ____ regions
Definition
flank, anterior, abdomen, pelvic
Term
Ventral rami give off ____ that give innervation to the upper and lower limbs
Definition
nerve plexuses
Term
The four major plexus systems are:
Definition
cervical, brachial, lumbar, sacral
Term
The brachial plexus is composed of the ventral rami of cervical and thoracic spinal nerves:
Definition
C5, C6, C7, C8, and T1
Term
The brachial plexus network starts with the ____ of the ventral rami
Definition
roots
Term
The five roots of the brachial plexus form 3 ______ (and give names)
Definition
trunks; superior, middle, inferior
Term
The 3 trunks of the brachial plexus divide to form 3 __ & 3 ___
Definition
Anterior divisions, Posterior divisions
Term
The 6 divisions of the brachial plexus merge to form 3 ____ (and names)
Definition
cords; lateral, posterior, medial
Term
The brachial plexus supplies (area of the body)
Definition
The musculature of the upper limb (minus trapezius and levator scapulae) and cutaneous innervation to the majority of the UL (except skin over the upper medial arm & upper shoulder)
Term
Axillary n innervates (mm)
Definition
Deltoid, Teres Minor
Term
The four terminal branches of the brachial plexus are:
Definition
Musculocutaneous, Radial, Median, Ulnar nn
Term
Musculocutaneous n, cord & mm
Definition
lateral; coracobrachialis, biceps brachii, brachialis
Term
Median n, cord
Definition
Medial & lateral
Term
The median n passes anterior to the ___ in the ___
Definition
elbow; cubital fossa
Term
After the median n passes the cubital fossa if passes deep to the ____ m between the ___ &___ forearm compartment
Definition
flexor digitorum superficialis; intermediate & deep
Term
Median n, mm
Definition
Pronator Teres, Flexor Carpi Radialis, Palmaris Longus,Flexor Digitorum Superficialis, Flexor Digitorum Profundus (lateral part), Flexor Pollicis Longus, Pronator Quadratus
Term
The Ulnar n comes off the __ cord
Definition
medial
Term
In the arm, the Ulnar n is posterior to the medial epicondyle in (location)
Definition
Groove for the ulnar nerve
Term
The Ulnar n innervates (mm)
Definition
Flexor Digitorum Profundus (medial part)Flexor Carpi Ulnaris, majority of the hand mm
Term
The Radial n is a continuation of the ___ cord after the axillary n
Definition
Posterior
Term
The Radial n can be seen on the arm (location)
Definition
Between the medial and lateral heads of triceps brachii<
Term
The Radial n innervates, mm
Definition
Triceps Brachii, Brachioradialis, Ex. Digitorum,Ex. Carpi Radialis Longus, Ex. Carpi Radialis Brevis, Ex. Digiti Minimi, Ex. Carpi Ulnaris, Anconeous, Supinator, Abductor Pollicis Longus, Ex. Pollicis Brevis, Ex. Pollicis Longus, Ex. Indicis
Term
The Lumbosacral Plexus supplies (area)
Definition
Entire lower limb (muscular & cutaneous)
Term
The Lumbosacral plexus is composed of ventral rami (#s)
Definition
L1-S4
Term
The Lumbar Plexus supplies the tissue & musculature of ____, _____, ____ (area)
Definition
anterior, medial, lateral thigh
Term
The Lumbar Plexus is formed from the Ventral Rami:
Definition
L1-L4 (upper division of L4)
Term
The Femoral n innervates, mm (from Lumbar plexus)
Definition
Iliopsoas, Sartorius, Pectineus, Rectus Femoris,Vastus Lateralis, Vastus Medialis, Vastus Intermedius
Term
The Obturator n innervates, mm (from Lumbar plexus)
Definition
Gracilis, Adductor Longus, Adductor Brevis,Adductor part of Adductor Magnus
Term
The Obturator n traverses the (structure)
Definition
Obturator Foramen
Term
The Sacral Plexus supplies the tissues and musculature of the ___, ___, ___, and entire ___ & ____
Definition
pelvis, gluteal region, posterior thigh, leg, foot
Term
The Sacral Plexus is derived from ventral rami (#s)
Definition
L4 (lower division), L5, S1, S2, S3, S4
Term
The Superior Gluteal n innervates, mm (sacral plexus)
Definition
Gluteus Medius, Gluteus Minimus, Tensor Fasciae Latae
Term
The Superior Gluteal n passes through the __ and then above the ___ muscle
Definition
greater sciatic notch, piriformis
Term
The Inferior Gluteal n innervates, mm (sacral plexus)
Definition
Gluteus Maximus
Term
The Inferior Gluteal n courses through ___ and passes inferior to the ___ m
Definition
greater sciatic notch, piriformis
Term
The Sciatic n innervates, mm
Definition
Extensor part of Adductor Magnus, Semitendinosus, Semimembranosus, Long & Short head of Biceps Femoris
Term
The Sciatic n courses through the ____ and passes inferior to the ____ m
Definition
greater sciatic notch, piriformis
Term
The Sciatic is composed of 2 nerves:
Definition
Tibial n, Common Fibular n
Term
The Sciatic n bifurcates into the ___ & ___ n proximal to the popliteal fossa
Definition
Tibial n, Common Fibular n
Term
Tibial n, mm
Definition
Gastrocnemius, Soleus, Plantaris, Tibialis Posterior,Flexor Hallucis Longus, Flexor Digitorum Longus
Term
The Tibial n passes deep to the
Definition
flexor retinaculum
Term
The Tibial n bifurcates in to the ___ & ____ that supply the ____
Definition
Medial & Lateral Plantar nn; musculature of the plantar surface of the foot
Term
At the neck of the fibula the Common Fibular n bifurcates into the two terminal branches:
Definition
Superficial & Deep Fibular (Peroneal) nn
Term
The Deep Fibular (Peroneal) n supplies, mm
Definition
Tibialis Anterior, Extensor Hallucis Longus, Ex. Digitorum Longus, Peroneus Tertius
Term
The Superficial (Peroneal) n supplies, mm
Definition
Fibularis Longus, Fibularis Brevis
Term
The cranial nerves exit the cranial cavity via
Definition
the foramina of the cranial base
Term
Afferent
Definition
Sensory
Term
Efferent
Definition
Motor
Term
CN I- S or M, Function, Exit
Definition
Olfactory n, sensory, smell, Foramina of the cribriform plate
Term
Route of CN I
Definition
Superior nasal mucosa> F of C. Plate> olfactory bulb> olfactory tracts> temporal lobes
Term
CN II- S or M, Function, Exit
Definition
Optic n, Sensory, Vision,Optic canals
Term
Path of CN II
Definition
Optic n> optic canals> thalamus, optic radiations> occipital lobe (visual cortex)

Term
CN III- S or M, Function, Exit
Definition
Oculomotor n, motor, Eye movement (intrinsic & extrinsic) Intrinsic (dilation of iris),Superior Orbital Fissure
Term
CN IV- S or M, Function, Exit
Definition
Trochlear n, motor, Extrinsic eye movement (superior oblique), Superior Orbital Fissure
Term
Path of CN IV
Definition
Dorsal midbrain> S.O.F.> boney orbit> m
Term
CN V- S or M, 3 branches
Definition
Trigeminal n, Both; Ophthalmic, Maxillary, Mandibular
Term
CN V1- Function
Definition
Ophthalmic n; Supplies lacrimal glands & cutaneous innervation to skin of forehead, nose, & upper eye lid
Term
CN V2- Function
Definition
Maxillary n; Superior dental plexus, lateral scalp, cheek, lower eyelid, lateral nose, upper lip
Term
CN V3- Function
Definition
Mandibular n; Sensation of skin & mucosa of the cheek, anterior 2/3 of tongue (general sensation), & mm of mastication
Term
CN VI- S or M, Function Exit
Definition
Abducent n; motor, Extrinstic Eye Movement Abduction (Lateral rectus); Superior Orbital Fissure
Term
CN VII- S or M, Function,Exit
Definition
Facial ; Both; Anterior 2/3 tongue (taste) & mm of facial expression (5 branches); Internal Acoustic Meatus (through stylomastoid foramen)
Term
CN VIII- S or M, Function, Exit
Definition
Vestibulocochlear n; sensory; Hearing (cochlear) & balance (vestibular), Internal Acoustic Meatus
Term
CN IX- S or M, Function, Exit
Definition
Glossopharyngeal n; Both; Mm of pharynx & posterior 1/3 of tongue (taste & general sensation); Jugular Foramen
Term
CN X- S or M, Function, Exit
Definition
Vagus n; Both; Mm of larynx & pharynx, parasympathetic to the heart, major viscera of the abdomen; Jugular Foramen
Term
CN XI- S or M, Function, Exit
Definition
Accessory n; Motor; Mm Trapezius & Sternocleidomastoid; Jugular Foramen
Term
CN XII- S or M, Function, Exit
Definition
Hypoglossal n; Both; Mm of tongue movement; Hypoglossal Canal
Term
CN V1- Exit
Definition
Ophthalmic n; Superior Orbital Fissure
Term
CN V2- Exit
Definition
Maxillary n; Foramen Rotundum
Term
CN V3- Exit
Definition
Mandibular n; Foramen Ovale
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