exam 7 Flashcards
what does the vagus (X) innervate?
motor to pharynx/larynx
taste and general sensations from root of tongue /epiglottis
the superficial temporal and maxillary vein, form what?
retromandibular vein
What does the infraorbital artery supply?
skin of nose, lower eyelid, skin, mucosa of upper lip and max. labial gingiva
what does the L common carotid artery branch from?
off of aorta
What foramen allows the entrance to the skull of the middle meningeal artery?
Foramen Spinosum
What are the bracnhes of the infratemporal fossa?
Inferior Alveolar branch
temporal branch
Masseteric branch
pterygoid branch
Middle Meningeal Artery
buccal branch
What artery does blood leave the heart to go to the lungs?
pulmonary artery
which gland is associated with the mumps?
parotid gland
what infections can lead to the heart and cause death?
infection of mand. canine, sublinugal space, submental space, lateral pharyngeal space, retropharyngeal space, posterior mediastinum
parotid gland
on surface of masseter, behind ramus, anterior to ear
serous
produces only 25% of total resting salivary volume
Stenson’s duct opens into oral cavity opposite to max. 2nd molar
mumps-viral infection of parotid gland
2 branches of infraorbital foramen..
middle superior alveolar (msa) premolars
anterior superior alveolar(ASA) max. ant.
What vein can be injured from injection of PSA?
pterygoid plexus of veins – forms max. vein
How many pairs of spinal nerves are there?
31 pairs cervical neck-8 thoracic(chest)-12 lumbar(lower back)-5 sacral(hip)-5 coccygeal(tail bone) 1
major salivary glands
parotid
submandibular
sublingual
what artery merges thru incisive foramen?
pterygopalatine (sphenopalatine) artery
What artery leaves mandible through mental foramen ?
mental artery
what cranial nerve provides taste perception to ant. 2/3 tongue?
chorda tympani
V3
what cranial nerve is responsible for muscle that moves the eyes?
Cranial nerve III
oculomotor nerver
what cranial nerve innervates teeth, oral cavity, max. sinus, nasal cavity, and skin to face?
V Trigeminal
what node drains upper deer as well as occipital nodes?
lower deep cervical
what are lymph nodes responsible for?
filtering system for blood stream, filter fluid and produce lymphocystes to combat infections
three components of PNS
spinal nerves
cranial nerves
autonomic nervous system
what cranial nerve is the motor to stylopharyngeous, sensory psot. 1/3 of tongue, general sensations of pain pressure heat and cold?
glossopharyngeal IX
this nerve, exits with Vagus and Accesory nerves through jugular foramen, branches to stylopharyngeal muscle and contrictors of pharynx, also a branch to the posterior 1/3 of the tongue?
IX
Glassopharyngeal
where does the angular artery branch from?
facial artery
travels across face and ends near inner corner of eye
which cranial nerve supplies intrinsic and extrinsic muscles of tongue?
XII
hypoglossal
which nerve supplies buccal mandibular gingiva up to the mental foramen?
long buccal nerve
Salivary gland classifications
exocrine-serous
merocrine-seromucous
compound tubualveolar-mucous
What forms when the anterior retromandibular vein joins the facial vein?
common facial vein- internal jugular
what artery supplies the nasal cavity?
Pterygopalatine (sphenopalatine) artery
what artery supplies off of the tongue?
lingual artery
what nodes drain max. teeth and sinus, mand. canines, mand. posteriors, floor of mouth, tongue, cheek, hard palate, and ant. nasal cavity?
submandibular nodes
What cranial nerve is responsible for smell?
Cranial nerve I
olfactory nerve
what cranial nerve innervates ehearing (equilibrium?)
VIII STATOACOUSTIC (ACOUSTIC)
What glands washes off taste buds?
lingual glands of von ebner
do nerves in the spinal cord regenerate?
no, they do not.. and damage is usually permanent
What type of infection can follow venous flow into brain and result into death?
infection in the anaterior region
foramen ovale?
V3
what are the three branches of the lingual artery?
dorsal lingual- deep post. tongue
deep lingual- deep ant. tongue
sublingual-ventral surface of tongue/floor of mouth
3 branches of supraorbital fissure
frontal (supraorbital notch) supraorbital nerve (skin above the eye and forehead)
supratrochlear nerve(skin of upper medial) lacrimal nasociliary 2 ethmoid branches to nasal cavity infraotchlear-medial corner of eye
what are the minor salivary glands?
labial buccal palatine glossopalatine lingual
What is a ganglion?
accumulation of cell bodies outside the CNS
what artery supplies max. posterior teeth?
posterior superior alveolar artery
this nerve is, longest, fibers to heart, lungs, kidneys, and most of digestive tract, also sends branches to pharynx, larynx, and tongue?
X
Vagus
What part of the oral cavity does the parotid gland open to?
opposite to max. 2nd molar
what artery supplies the muscles of mastication?
maxillary+superficial temporal artery
when the posterior retromandibular vien joins the posterior auricular vein, what formes?
external jugular vein
what artery supplies maxillary anterior teeth?
anterior superior alveolar artery
2 branches of descending palatine
V2
lesser palatine-soft palate
greater palatine-mucosa of posterior hard
how does the V 1 opthalmic berve leave the skull?
via supraorbital fissure
which duct opens into oral cavity?
stensons duct
what artery goes through the foramen spinosum?
middle meningeal arteryy
What node drains the 3rd molar region?
upper deep cervical nodes
ANS(Autonomic)
sympathetic
fight or flight
this cranial nerve, exits via stylomastoid foramen (behind ear), travels through parotid gland, supplies muscles of facial expression?
Facial VII
submandibular gland
60-65% of total resting salivary volume
mixed gland (seromucous)
located inferior/posterior to body of mandible
wraps around mylohyoid muscle
Wharton’s duct opens onto sublingual caruncle
What is another name for parasympathetic autonomic nervous system?
PANS
what artery runs thru the sphenopalatine foramen?
pterygopalatine artery
what artery enters mandible at mandibular foramen?
inferior alveolar branch
V 1 branch of trigeminal nerve (V)
opthalmic
Sublingual gland
smallest-10% of total salivary volume
mucous
anterior floor of mouth next to canines
duct of revinus
what vein goes thru the jugular foramen?
internal jugular
what cranial nerve supplies muscle that moves eye laterally?
VI
Abducens
what cranial nerve innervates muscles of facial expressions?
VII
FACIAL
What cranial nerve exits through the stylomastoid foramen?
Facial (VII)
what cranial nerve supplies muscle that moves eye downward/laterally?
IV
trochlear
Foramen rotundum
V2
what cranial nerve is responsible for vision?
Cranial nerve II
optic nerve
what cranial nerve supplies trapezius and scm?
XI
accessory (spinal accessory)
what vessel drains the enitre brain?
internal jugular via jugular foramen
blood pathway from the heart to a tooth…
heart aorta brachiocephalic artery r common carotid artery external carotid artery maxillary artery inferior alveolar artery incisive artery tooth number
how do spinal nerves exit the spinal canal?
through the invertebral foramen
what artery goes thru the ptergopalatine canal?
descending palatine artery
what are the 5 branches of the facial nerve? (VII)
temporal zygomatic buccal mandibular cervical – supplies platysma muscle
what nodes drain mand. incisors, tip of tonuge, and midline of chin and lower lip?
submental nodes
