Head + Neck Anatomy Chapter 9 Flashcards
The maxillary has 2 main branches called
Nasopalatine nerve and greater palatine nerve
the 3 smaller nerve branches off the maxillary are called
PSA, ASA, MSA
PSA stands for
Posterior superior alveolar nerve
What does the PSA do
Freezes the first, second and third molars
ASA stands for
Anterior superior alveolar nerve
What does the ASA do
freezes the front 6 teeth
MSA stands for
Middle superior alveolar nerve
What does the MSA do
Freezes first and second pre molars. And the root of first molar
The Mandibular has 3 main branches called
Buccal nerve, lingual nerve, and inferior alveolar nerve
The buccal nerve is responsible for freezing where
Mucous membrane, mucous periosteum and the retrmolar pad
what does the lingual nerve freeze?
anterior 2/3 of the tongue, and lingual mucosa membrane
The inferior alveolar nerve freezes what in the mouth
all of them up to the midline, the first 2/3 of tongue, mucosa, and floor of mouth
What are the three nerve branches from the inferior alveolar nerve
incisive, mental, mylohyoid
the sternocleidomastoid muscle is located where
from the clavicle up to the external auditory meatus
the trapezius is located where
the occipital bone down to the clavicle
The muscle surrounding your mouth responsible for closing and puckering lips is called?
the orbicularis oris
The Buccinator muscle does what function
compresses the cheeks to teeth for support
Where is the mentalis facial muscle located and what does it do
the chin, raises and wrinkles the chin & pushes up lower lip
What facial muscle is used when laughing to draw angle of the mouth up
Zygomatic major
How many facial expression muscles are there?
4
Mastication muscles aid in what action
chewing
what are the 4 mastication muscles
temporal, messeter, internal(medial) pterygoid, external(lateral) pterygoid
the medial pterygoid is responsible for
closing the jaw
The lateral pterygoid is responsible for
opening the jaw
Mylohyoid floor muscle is what two working together
mylohyoid ridge and the hyoid. raising the tongue and lowering jaw
what are the 4 floor muscles called
mylohyoid, stylohyoid, geniohyoid, gastric
mastication muscles are fed by what nerve
the 5th cranial nerve (trigeminal nerve)
what’s the 7th cranial nerve
the facial nerve - responsible for expression
what is the 12th cranial nerve
the hypoglossal nerve - responsible for movement in the tongue
VII is what number
7
XII is what number
12
V is what number
5
The parotid duct is also know as the
stensens duct
where is the parotid duct located
by the ear /cheekbone area
which salivary gland is the largest in size
the parotid duct is the biggest in size
the salivary gland that produces 60-65% of saliva is the
submandibular gland
sublingual salivary gland is the __ and produces 10%
smallest gland
Large circumvallate papillae are associated with which gland
von ebners minor salivary gland
what is bells palsy
the paralysis of facial muscles
sublingual salivary gland is located under
the tongue
Wharton’s duct is part of
submandibular gland
the bartholins duct is apart of
the sublingual gland
mumps is a viral infection that affects which salivary gland
the parotid gland
xerostomia is a condition of
dry mouth
sialoliths is
salivary stones, mineralization in the ducts
which branch of the trigeminal nerve the largest
the Mandibular branch
____hyoid muscles are muscles of the what?
the floor of the mouth
___glossus muscles are muscles of the what?
extrinsic muscles, of the tongue
the nasopalatine nerve innervates where
the anterior palatine teeth
the nasopharyngeal tonsils are where in the body
located in the nasopharynx, upper nasal cavity
the palatine tonsils are located in…
in the oropharynx, anterior and posterior to pillars of fauces
lingual tonsils are on the
back of the tongue
the hypoglossal nerve innervates all the ‘glossas muscles’ but one, the
palatoglossal
the facial artery supplies blood to
pharyngeal muscles, facial muscles, tonsils, and the soft palate
The lingual artery supplies too the
tongue, floor of mouth, gums, palate, tonsils
external carotid artery supplies blood to the
brain and eyes
the internal coratid supplies blood the the
face and mouth
intrinsic muscles are where and what do they do
they’re located withIN the tongue and help shape the tongue
Extrinsic muscles assist in ____
movement of mouth
Lateral meaning
side to side or away from the midline
Medial meaning
toward the midline
genioglossus has a movement of
down and out
which nerve can be found by feeling the mandibular notch?
Facial
Lymph nodes are responsible for
fighting disease by producing antibodies, the body main defense system
Cervical lymph nodes are located where
in the neck, Jugular - deep in SCM
Superficial lymph nodes are located where
on the head
air cells separated by thin layer of bone is which sinus
ethmoid sinus
the nasopalatine nerve enters through which foramen?
the incisive foramen
the greater palatine nerve enters through which foramen?
the posterior palatine foramen (closer to arch - molars)
the tongue has which nerve directly in it
the lingual nerve
inferior alveolar nerve branches through what bone
the mandible (below; inferior)
the Superior alveolar nerve branches where?
in the maxilla (above;superior)
parotid papilla are what
elevations of tissue on the inner cheek
infraorbital artery distributes to the
face
greater palatine artery distributes to
the lingual gingiva and hard palate
lymphadenopathy is a reaction to what circumstance
the patient has cancer/infection so lymph increase in size to fight
trigeminal nerve is the main source for
the oral cavity
