Shared Flashcard Set

Details

anatomy exam 3
flash cards
27
Anatomy
12th Grade
11/08/2012

Additional Anatomy Flashcards

 


 

Cards

Term
cervical plexus
Definition
-innervates anterior neck muscles; contains phrenic nerve
Term
phrenic nerve
Definition
innervates diaphragm; breathing problems if damaged
Term
brachial plexus
Definition
innervates upper limb; injured through lateral flexion of nerve

consists of axillary nerve, median nerve, musculocutaneous nerve, radial nerve, and ulnar nerve
Term
axillary nerve
Definition
innervates deltoid and teres minor; troubles with arm abduction, flexion, and extension if damaged
Term
median nerve
Definition
innervates anterior forearm muscles and thenar muscles; problems with grasping, wrist flexion, finger flexion, and pronation if damaged
Term
musculocutaneous nerve
Definition
innervates anterior surface of arm (biceps brachii, corachobrachialis, brachialis); problems with elbow/forearm flexion, arm flexion, and supination if damaged
Term
radial nerve
Definition
innervates posterior arm muscles (triceps brachii, brachioradialis, supinator); problems with elbow extension, extension of wrist and fingers, and hodling beer mug if damaged
Term
ulnar nerve
Definition
innervates forearm muscles and hypothenar muscles; when you hit your funny bone
Term
lumbar plexus
Definition
innervates abdominal wall and some muscles of the lower extermities; consists of femoral nerve and obturator nerve
Term
femoral nerve
Definition
innervates anterior thigh muscles (hip flexors and knee extensors); problems with hip flexion and knee extension if damaged
Term
obturator nerve
Definition
innervates medial thigh muscles (adductors and gracilis); problems with hip adduction if damaged
Term
sacral plexus
Definition
innervates some of the lower extremity; consists of sciatic nerve, tibial nerve and common fibular nerve
Term
sciatic nerve
Definition
the largest nerve; divides into tibial and common fibular
Term
tibial nerve
Definition
innervates hamstrings on the posterior side of the leg and innervates gastrocnemius, soleus, and deeper muscles on the back side of the leg

problems with hip extension and knee flexion, toe flexion, and plantar flexion if damaged
Term
common fibular nerve
Definition
innervates anterior and lateral compartments of leg

problems with dorsiflexion, ankle eversion, and some plantar flexion if damaged
Term
olfactory CN I
Definition
sensory function: olfaction
Term
optic CN II
Definition
sensory function: vision
Term
oculomotor CN III
Definition
somatic motor function: innervates 4 of 6 eye muscles (medial rectus, superior rectus, inferior rectus, inferior oblique) and the levator palpebrae muscle
Parasympathetic motor function: innervates sphincter muscle in eye and contracts ciliary muscle
Term
trochlear CN IV
Definition
somatic motor function: superior oblique eye muscle
Term
trigeminal CN V
Definition
sensory function: realy important -- most of the somatic sensations of the face

Somatic motor function: chewing muscles
Term
abducens CN VI
Definition
somatic motor function: lateral rectus eye muscle
Term
facial CN VII
Definition
sensory function: taste from anterior 2/3 of tongue
somatic motor function: muscles of facial expression
Parasympathetic function: increases secretion from lacrimal gland of eye, submandibular and sublingual salivary glands
Term
vestibulocochlear CN VIII
Definition
sensory function: hearing (cochlear branch) and equilibrium (vestibular branch)
Term
glossopharyngeal CN IX
Definition
sensory function: touch AND taste to posterior 1/3 of tongue, visceral sensory from carotid bodies
somatic motor function: one pharyngeal muscle
parasympathetic motor function: increases secretion from parotid salivary gland
Term
vagus CN X
Definition
sensory function: visceral sensory information from pharynx, larynx, carotid bodies, heart, lungs, most abdominal organs and general sensory information from external acousitc meatus, eardrum, and pharynx

Somatic motor function: most pharyngeal muscles and the laryngeal muscles (throat muscles)

Parasympathetic motor function: innervates smooth muscles and glands of heart, lungs, larynx, trachea, most abdominal organs
Term
accessory CN XI
Definition
somatic motor function: trapezius muscle, sternocleidomastoid muscle
Term
hypoglossal CN XII
Definition
somatic motor function: intrinsic tongue muscles and extrinsic tongue muscles
Supporting users have an ad free experience!