SHS 300 - Pharyngeal-Oral System

label a

parietal bone (lateral view)

label b

frontal bone (lateral view)

label c

temporal bone (lateral view)

label d

occipital bone (lateral view)

label e

zygomatic process (lateral view)

label f

mastoid process (lateral view)

label g

styloid process (lateral view)

label h

sphenoid bone (lateral view)

label i

ethmoid bone (lateral view)

label a

frontal bone (anterior view)

label b

parietal bone (anterior view)

label c

temporal bone (anterior view)

label d

maxillary bone (anterior view)

label e

mandible (anterior view)

label f

nasal bone (anterior view)

label g

ethmoid bone (anterior view)

label h

inferior nasal concha (anterior view)

label i

vomer bone (anterior view)

label j (navy blue)

lacrimal bone (anterior view)

label k

sphenoid bone (anterior view)

label l

zygomatic bone (anterior view)

label a

zygomatic process of the temporal bone

label b

styloid process of the temporal bone

label c

mastoid process of the temporal bone

label d

tympanic process of the temporal bone

label a

corpus/body of the mandible (lateral view)

label b

ramus of the mandible (lateral view)

label c

mandibular angle (lateral view)

label d

mental symphysis of the mandible (lateral view)

label e

coronoid process of the mandible (lateral view)

label f

condylar process of the mandible (lateral view)

label a

ramus of the mandible (anterior view)

label b

corpus/body of the mandible (anterior view)

label c

mental symphysis of the mandible (anterior view)

label d

mandibular angle (anterior view)

label e

coronoid process of the mandible (anterior view)

label f

condylar process of the mandible (anterior view)

label a

frontal process of the zygomatic bone

label b

maxillary process of the zygomatic bone

label c

temporal process of the zygomatic bone

label yellow

palatine process of the maxillary bone (sagittal plane)

label pink

horizontal plate of the palatine bone (sagittal plane)

label yellow

palatine process of the maxillary bone (transverse plane)

label pink

horizontal plate of the palatine bone (transverse plane)

label black circle

alveolar ridge (transverse plane)

label a

central incisor

label b

lateral incisor

label c

canine

label d

first premolar

label e

second premolar

label f

first molar

label g

second molar

label h

third molar (wisdom teeth)

function of the teeth

• mastication

• articulatory contact surface for some speech sounds (e.g., /f/)

label blue (and its 4 boundaries)

nasopharynx

anterior boundary - nasal choanae

posterior boundary - posterior pharyngeal wall

superior boundary - cranium

inferior boundary - velum

label green (and its 4 boundaries)

oropharynx

anterior boundary - oral cavity

posterior boundary - posterior pharyngeal wall

superior boundary - velum

inferior boundary - hyoid bone and anterior epiglottis

label yellow (and its 4 boundaries)

hypopharynx (laryngopharynx)

anterior boundary - base of tongue and laryngeal aditus 

posterior boundary - posterior pharyngeal wall

superior boundary - hyoid bone and anterior epiglottis

inferior boundary - cricoid cartilage (esophagus)

label a

posterior pharyngeal wall

label b

palatine tonsils

label c

anterior faucial pillar

label a

posterior faucial pillar

label b

soft palate

label c

uvula

label a

lateral sulci

label b

anterior sulcus

label a

dorsum

label b

blade

label c

tip

label d

body

label e

root

label 1

levator labii superioris alaeque nasi (anterior view)

label 2

depressor anguli oris (anterior view)

label 3

platysma (anterior view)

label 4

depressor labii inferioris (anterior view)

label 5

mentalis (anterior view)

label 6

risorius (anterior view)

label 7

zygomatic major (anterior view)

label 8

zygomatic minor (anterior view)

label 9

levator labii superioris (anterior view)

label 10

buccinator (anterior view)

label 11

orbicularis oris (anterior view)

label this muscle (green)

levator anguli oris (anterior view)

label 1

orbicularis oris (lateral view)

label 2

levator labii superioris alaeque nasi (lateral view)

label 3

levator labii superioris (lateral view)

label 4

platysma (lateral view)

label 5

depressor anguli oris (lateral view)

label 6

depressor labii inferioris (lateral view)

label 7

mentalis (lateral view)

label 8 

risorius (lateral view)

label 9

buccinator (lateral view)

label 10

zygomatic major (lateral view)

label 11

zygomatic minor (lateral view)

label 12

levator anguli oris (lateral view)

cranial nerve that provides MOTOR innervation to the muscles of the face

CNVII (facial)

cranial nerve that provides SENSORY innervation to the muscles of the face

CNV (trigeminal)

orbicularis oris - function (4 in total)

• open and close the mouth

• invert and twist the mouth

• pucker lips

• labial seal for swallowing

***main muscle acting on the lips (acts as a sphincter)

risorius - function

retract the corners of the mouth

levator labii superioris - function

elevates the upper lip (works as a group with zygomatic minor and levator labii superioris alaeque nasi)

zygomatic minor - function

elevates the upper lip (works as a group with levator labii superioris and levator labii superioris alaeque nasi)