Matching Choices Exam 1 Flashcards
Aka vallate papillae
Largest and least numerous taste buds in back of tongue
Circumvallate
Beaches off brachial plexus at axilla
C5 and C6, lies in front of subscapularis, supples deltoid teres minor and triceps brachii
Axillary
Bundle of spinal nerves at inferior end of vertebral canal
Cause equina
Extension of dura mater that anchors spinal cord longitudinally, formed f spinal dura tapers that form dense cord that bends with filum terminale
Coccygeal ligament
End of spinal cord at the intervertebral disc between L1 and L2,
Conus medullaris
Contract weak reflex arc, motor response is on opposite side of stimulus, reflex pulls the foot away from tack while other leg straightens to support body weight
Crossed extensor
Area of skin innervated by a single pair of spinal nerves, all except C1 innervate dermatomes
Dermatomes
Each axon is surrounded by a thin delicate
Endoneurium
Nerve that is sensory and motor, carries 1/3 of taste anteriorly for tongue , motor to muscles of face scalp and neck
Facial nerve
Short pathway, first order neurons carry sensory info from upper limbs upper trunk and neck,
Fasiculus cutaneous
Carries discriminative tactile input from receptors located in lower limbs and inferior body trunk up through the lumbar spinal for and ascending to the nucleus gracilis of medulla
Fasiculus gracilis
L2-L4, biggest plexus, motor to quadriceps and satorius muscles of thigh and to pectineus and iliacus, damage means inability to extend leg at knee
Femoral nerve
Results in winging of scapula and is part of brachial plexus
Long thoracic nerve
Small oval shaped flattened parasympathetic ganglion
Innervationto parotid gland for salivation
Otic ganglion
Parasympathetic ganglion that. Projects to lacrimal glands and nasal mucosa
It regulates blood flow and cools air in nose
Prerygopalatine ganglion
