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body of hyoid
what is this structure
pharyngotympanic tube (eustachian tube)
isthmus of oral fauces
what is this opening in the back of the oral cavity
piriform apeture
internal laryngeal nerve, superior laryngeal artery
what is the innervation and blood supply ABOVE the vocal cords
recurrent laryngeal nerve and inferior laryngeal artery
innervation and blood supply BELOW the vocal cords
lesser horn of hyoid, stylohyoid ligament
structure and what attaches here
pharyngeal tubercle, superior constrictor muscle
structure, what attaches here
greater horns of hyoid, middle constrictor muscle
structure and what attaches heree
thyroid cartilage, inferior constrictor
structure and what attaches here
cricoid cartilage
tracheal rings
pharyngeal raphe
Posterior midline attachment for the constrictors
stylohyoid ligament
holds the hyoid bone in place.
pterygomandibular raphe, superior constrictor
structure and what attaches here
thyrohyoid membrane, internal laryngeal nerve and superior laryngeal artery
structure and what passes through it
superior constrictor (CN X)
middle constrictor (CN X)
inferior constrictor (CN X)
Stylopharyngeus (CN IX)
CN IX (glossopharyngeal)
what innervates this muscle?
internal laryngeal nerve
SENSORY innervation to larynx ABOVE vocal cords
recurrent laryngeal
SENSORY nerve to larynx BELOW to vocal cords
sympathetic trunk and superior cervical sympathetic ganglion
supplies postganglionic sympathetic innervation to the smooth muscle and glands in the head
superior thyroid artery
superior laryngeal artery
Travels with internal laryngeal nerve through the thyrohyoid membrane
epiglottis
muscular process of arytenoid
Attaches to posterior and lateral cricoarytenoid muscles
vocal process of arytenoid
Attached to vocal ligament
arytenoid cartilage
cricoarytenoid joint
quadrangular membrane
lateral side of the epiglottis all the way to the ventricular fold
aryepiglottic fold/ligament
vestibular fold/ligament
false vocal cord
vocal fold/ligament
cricothyroid membrane
laryngeal inlet
opening that connects the pharynx and larynx
valleculae
space between tongue and epiglottis
piriform fossa
hollow pockets on the lateral sides of the glottic opening
laryngeal vestibule/ supraglottic space
laryngeal ventricle
space between true and false vocal folds
infraglottic space
area inferior to the vocal folds
rima glottidis
opening between vocal folds
cricothyroid muscle, lengthen vocal cords, high pitch
structure, function, action
aryepiglottic muscle
posterior cricoarytenoid, abducts vocal folds, forced respiration
name, function, action?
arytenoid muscle (transverse and oblique) , adducts vocal folds, bear down
name,function, action?
lateral cricoarytenoid, adducts vocal cords, bear down
name,function, action?
thyroarytenoid muscle, shorten vocal cords, low pitch
name, function, action
vocalis, fine tune pitch
structure and function
sensation of mucosa below vocal folds, larnygeal muscles (except cricothyroid)
what does the recurrent laryngeal innervate
sphenopetrosal fissure
leads to bony potrion of pharyngotympanic tube
petrous part of temporal bone
scaphoid fossa, tensor veli palatini
structure, what attaches here
medial pterygoid plate
hamulus
pharyngeal tonsils (adenoids)
what tonsilar tissue is found here
tubal tonsils
what tosilar tissue is found here
palatine tonsils
lingual tonsils
sulcus terminalis
foramen cecum
vallate papillae
valleculae
torus tubarius
elevation of cartilage caused by the auditory tube
salpingopharyngeal fold and muscle (CN X)
pharyngeal recess
a groove between salpingopharyngeal fold and
posterior wall of nasopharynx
tonsillar fossa
the space between the palatoglossal arch and the palatopharyngeal arch
uvula
small projection hanging from the back middle edge of the soft palate
musculus uvulae (CN X)
what muscle controls this structure
palatoglossal arch/muscle (Cn X)
palatopharyngeal arch/muscle (CN X)
levator veli palatini muscle, elevate soft palate (CN X)
name and function
tensor veli palatini muscle, tenses soft palate (CN V3)
name and function
CN V3
what innervates this muscle?
lacrimal fossa
depression where lacrimal sac sits
nasolacrimal canal/duct
empties lacrimal fluid into the nasal cavity
inferior meatus
where does the nasolacrimal duct drain into
superior concha
middle concha
inferior concha
superior nasal meatus
middle nasal meatus
where frontal, maxillary, sinuses and ethmoid air cells drain
inferior nasal meatus
sphenoethmoidal recess
sphenoid sinus drains into
ethmoid bulla
locateed in middle meatus, where middle ethmoidal air cells drain
hiatus semilunaris
opening separating middle meatus and infundibulum
sphenoid sinus, sphenoethmoidal recess
structure and where it drains
frontal sinus, middle meatus
structure and where it drains
maxillary sinus, middle meatus
structure and where it drains
ethmoid air cells, middle meatus (ethmoid bulla)
structure and where it drains
incisive fossa/foramen
nasopalatine (CN V2)
what nerve travels through this opening
Sphenopalantine artery
what artery travels through this opening
nasopalatine
what nerve innervates this portion of the palate
naris
nasal vestibule
nasal atrium
choanae
alar cartilage
cartilage that supports the apex of the nose and helps shape the nares; it is connected to the septal cartilage and connective tissue of the alae