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IME Dental Hygiene Anatomy
Dental Hygien Anatomy
112
Health Care
Undergraduate 2
10/17/2011

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Cards

Term
What is conjuctiva?
Definition
What is the thin membrane lining the inside of the eyelids and front of the eyeball?
Term
Lateral canthus
Definition
outer corner where the upper and lower eyelids meet
Term
Medial canthus
Definition
inner angle of the eye
Term
Eyelids
Definition
Cover and protect the eyeballs
Term
Pupil
Definition
Dark center of the eye
Term
Iris
Definition
Colored area of the eye
Term
Sclera
Definition
White area of the eye
Term
Orbit
Definition
The eye socket
Term
Auricle
Definition
External part of the ear
Term
External acoustic meatus
Definition
Tube through which sound waves are transmitted to the middle ear.
Term
Tragus
Definition
small flap of tissue anterior to the external acoustic meatus
Term
Supraorbital ridge
Definition
located inferior to each eyebrow
Term
glabella
Definition
Elevated area between the eyebrows
Term
Frontal eminence
Definition
Prominent area of the forehead
Term
Root of the nose
Definition
between the eyes
Term
Nasion
Definition
Landmark that corresponds to the junction of the bones, inferior to the glabella
Term
Tip of the nose
Definition
Flexible cartilage
Term
Naris
Definition
nostrils
Term
ala
Definition
cartilaginous structures that are found laterally around the naris
Term
Infraorbital
Definition
under the eye socket
Term
Zygomatic region
Definition
overlies the cheeckbone and zygomatic arch
Term
Temporomandibular joint
Definition
Where the upper skull forms the joint for the lower mandibular arch
Term
Buccal region
Definition
composed of soft tissues of the cheeck
Term
Parotid gland
Definition
Major salivary gland found in the buccal region
Term
Vermillion border
Definition
Dark outline of the lips
Term
Vermillion zone
Definition
Dark upper and lower lip portion
Term
Philtrum
Definition
vertical groove on the midline of upper lip
Term
Tubercle of the upper lip
Definition
Fleshy extra tissue on the upper lip
Term
Labial commisure
Definition
Corners of the mouth
Term
Nasolabial sulcus
Definition
groove running upward between the labial commisure and the ala of the nose
Term
Labiomental groove
Definition
separates the lower lip from the chin.
Term
Labiomental groove
Definition
separates the lower lip from the chin.
Term
Ramus
Definition
Lateral aspect of the mandible.
Term
Coronoid process
Definition
Anterior superior projection of the ramus
Term
Condyle of the mandible
Definition
Posterior to the border of the ramus.
Term
Submandibular triangle
Definition
Superior porton of the anterior cervical triangle bordered by the digastric muscle and mandible.
Term
Carotid triangle
Definition
Superior part of the inferior portion of the anterior cervical triangle.
Term
Muscular triangle
Definition
Inferior ortion of the anterior cervical triangle.
Term
Sternocleidomastoid muscle
Definition
Divides each side of the neck into an anterior cervical and a posterior cervical triangle
Term
Anterior cervical triangle
Definition
anterior region of the neck separated by a midline
Term
Posterior cervical triangle
Definition
lateral region of neck
Term
Thyroid cartilage
Definition
Adams apple, the prominence of the larynx
Term
Hyoid bone
Definition
located in the anterior midline superior to thyroid cartilage
Term
muscular triangle
Definition
inferior part of the inferior portion of the cervical triangle
Term
submental triangle
Definition
located in the midline bordered by the diagastric muscle and the hyoid
Term
Occipital triangle
Definition
superior portion of the posterior cervical triangle
Term
Subclavian triangle
Definition
inferior portion of the posterior cervicle triang;e
Term
Vestibules
Definition
upper and lower spaces between the cheeks, lips, and gingiva
Term
Alveolar mucosa
Definition
found within each vestibule, thinner and redder than buccal and labial mucosa
Term
Labial frenum
Definition
fold of tissue located at the midline between the labial and alveolar mucosa of the maxilla and mandible
Term
Pterygomandibular fold
Definition
fold of tissue that etends from the junction of the hard and soft palates down to the mandible
Term
Retromolar pad
Definition
dense pad of tissue distal to last mandibular tooth
Term
Lingual papilae
Definition
elevated surfaces of specialized mucosa
Term
Foliate lingual papillae
Definition
vertical ridges on latera surface of tongue
Term
Filifornm lingual papillae
Definition
slender, threadlike, and give the tongue its velvety texture. Most numerous of lingual papillae, do not contain taste buds
Term
Fungiform lingual papillae
Definition
red and mushroom shpaed dots, more numerous on apex and have taste buds
Term
Sulcus terminalis
Definition
posterior V shaped groove on dorsal of tongue
Term
foramen cecum
Definition
Small pit behind the v of sulcus terminalis of tongue
Term
circumvallate lingual papillae
Definition
10-14 mushroom shaped papillae that line up along the anterior side of sulcus terminalis, contain taste buds
Term
Lingual tonsil
Definition
irregular mass of tonsillar tissue on posterior dorsal surface of tongue
Term
Lingual veins
Definition
large visible blood vessels that run close to the surface of the ventral portion of the tongue
Term
Plica fimbriata
Definition
a fold with fringelike projecctions lateral to the lingual veins
Term
Lingual frenum
Definition
midline fold of tissue between the ventral surface of the tongue and floor of the mouth
Term
Sublingual caruncle
Definition
small papilla at anterior end of sublingual fold, contains duct openings
Term
Muscular tube that is the entrance into the throat
Definition
Pharynx
Term
Nasopharynx
Definition
superior to the soft palate and continuous with the nasal cavity
Term
oropharynx
Definition
located between the soft palate and opening of the larynx
Term
Laryngopharynx
Definition
more inferior and close to the laryngeal epening
Term
Epiglottis
Definition
flap of cartilage behind the base of the tongue and in front of the oropharynx
Term
what supports the teeth in the alveolar bone?
Definition
Periodontium
Term
What three things is the periodontium composed of?
Definition
Cementum
Alveolar bone
Periodontal ligaments
Term
Cortical plate
Definition
Dense outer covering of the spongy bone that makes up the central part of the alveolar process
Term
Alveolar crest
Definition
Hightest point of the alveolr ridge
Term
Alveolar socket
Definition
Cvity within the alveolar process that surrounds the root of a tooth
Term
Lamina dura
Definition
the thin layer of compact bone lining the alveolar socket
Term
Periodontal ligament
Definition
Dense connective tissue organized into fiber groups that connect the cementum covering the root otf the tooth with the alveolar bone of the socket wall.
Term
What are the two functions of the periodontal ligament?
Definition
1. support the tooth in its socket
2. act as sensory receptors necessary fo the proper positioning of the jaws during normal functioning.
Term
What are the 3 types of oral mucosa?
Definition
1.Lining
2. Masticatory
3. Specialized
Term
Attached gingiva
Definition
Tightly akheres to the bone around the roots of the teeth. May have pigmentation
Term
mucogingiva juntion
Definition
Scallop shaped line of demarcation between the attached gingia and the alveolar mucosa
Term
Marginal gingiva
Definition
Nonattached gingiva of the gingival margin
Term
Sulcus
Definition
space in inner surface of the marginal gingiva
Term
Interdental gingiva/ interdental papilla
Definition
extension of attached gingiva between the teeth
Term
Coronal suture
Definition
suture extending across the skull between the frontal and parietal bones
Term
Sagittal suture
Definition
extends from the front to the back of the skull, between the paired parietal bones
Term
Lamboidal suture
Definition
between the single occipital bone and the paired parietal bones
Term
Sagittal section is what plane?
Definition
Median plane
Term
Name the planes
Definition
Sagittal
Frontal
Median
Horizontal
Term
Name the sections of view
Definition
Front/ coronal section
Midsagittal section
Transverse section
Term
what bones compose the orbital apex?
Definition
Lesser wing of sphenoid bone and the palatine bone
Term
where is the optic canal located?
Definition
between the two roots of the lesser wing of the sphenoid bone.
Term
Where does the second cranial nerve pass through?
Definition
CN 11 = Optic nerve
passed through optic canal
Term
What bones compose the orbital wall?
Definition
1.Orbital plates of frontal bone
2. ethmoid bone
3. lacrimal bone
4. maxilla
5. zygomatic
6. orbital surface of greater wing of sphenoid
Term
Describe the process of tears and why it leads to a runny nose.
Definition
Lacrimal gland - lacrimal fluid - drains into nasolacrimal sac behind medial canthus - nasolacrimal duct -nasal meatus.
Term
Which cranial nerves pass through the superior orbital fissure?
Definition
CN111 = oculomotor
CN1V = Trochlear
CNv1 abducent
CNV V1 opthalmic
Term
Location of Inferior orbital fissure?
Definition
betweeen the greater wing of the spehnoid bone and the maxilla
Term
where is the nasion located
Definition
midpoint landmark located at the juntion of the frontal and nasal bones
Term
piriform aperture location?
Definition
anterior opening of the nasal cavity
Term
bridge of the nose is formed by what two bones?
Definition
paired nasal bones
Term
Nasal conchae
Definition
each lateral wall of the nasal cavity has three projecting structures that extend inward from the maxilla.
Term
Nasal septum
Definition
Vertical partition of the nasal cavity
Term
what forms the posterior portion of the nasal septum?
Definition
The vomer
Term
Coronal suture
Definition
suture between the frontal and parietal bones
Term
Squamosal suture
Definition
suture between the temporal and parietal bones
Term
what is the depresseion called that is between the medial and lateral plates on the sphenoid bone?
Definition
pterygoid fossa
Term
what bone is the pterygoid fossa on?
Definition
Sphenoid
Term
What bone is the hamulus on?
Definition
Sphenoid bone inferior to the pterygoid process
Term
What bone is the foramen ovale on and what nerve passes through it?
Definition
sphenoid bone.
CNV V3 mandibular division
Term
What artery passes through the foramen spinosum?
Definition
memingeal artery
Term
What bone is the carotid canal on?
Definition
Petrous portion of the temporal bone.
Term
What nerve passes through the stylomastoid foramen?
Definition
CN V11 Facial nerve exits.
Enters thru internal acoustic meatus.
Term
What nerves pass through the jugular foramen?
Definition
CN 1X Glossopharyngeal
CNX Vagus
Cx1 Accessory
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