Cones
Cells in the eye responsible for seeing color
Sutures
Immoveable joints in the skull
Dentin
The majority of the tooth is made of…
Optic Disc
Known as the blind spot of the eye
Hyphema
Accumulation of blood in the anterior chamber of the eye
Incus
The most medial of the 3 middle ear bones
Occipital bone
Skull bone that contains the foramen magnum
Osicles
Group of middle ear bones
Cornea
Clear area in center of the eye
Melanin
Pigment that determines eye color
Cementum
Substance that covers root of the tooth
Parietal bones
Bones that make up the upper halves of the skull
Enamel
(Hardest substance in the body) Substance that covers the crown of the tooth
Epistaxis
Medical term for nosebleed
Iris
Part of the eye that surrounds the pupil
Auricular Hematoma
Injury to the ear that is caused by subcutaneous bleeding into the auricular cartilage
Maloclussion
Medical term for teeth not coming together
Squamous joint
Joint found between the parietal and temporal bones
Sclera
Outer portion of the eye that gives the eye its shape
Cerumen
Medical term for earwax
Crown
Portion of tooth protruding from gums
Rods
Cells in the eye responsible for seeing in low light
Lambdoid Suture
Joint between parietal and occipital bones
Malleus
Middle ear bone ATTATCHED to the tympanic membrane
Nasal fracture
Most common facial fracture
Mandible fracture
Second most common facial fracture
Zygomatic fracture
Third most common facial fracture
Maxillary fracture
Fourth most common facial fracture
Spherical
Medium convex
Almost flat
Shape of the lens throughout life
Sphenomandibular, temporomandibular, stylomandibular
3 ligaments that connect to the mandible
22 bones
How many bones there are in the skull
Cranial bones
Ethmoid. frontal, occipital, parietal (x2), sphenoid, temporal (x2)
Facial bones
Inferior nasal concha (x2), lacrimal (x2), mandible, maxilla (x2), nasal (x2), platine (x2), vomer, zygomatic (x2)
Coronal joint
Joint between the frontal and parietal bones
Sagittal joint
Joint between the two parietal bones
Temporomandibular joint (TMJ)
Joint containing sphenomandibular, temporomandibular, and stylomandibular ligaments - hinge and gliding joint
Temporomandibular joint (TMJ) dysfunction
Caused by extreme mobility and disk-condyle derangement (most common cause)
Symptoms of temporomandibular joint (TMJ) dysfunction
Headache, earache, vertigo, malocclusion, hypermobility, hypomobility, limited ROM
Temporomandibular joint (TMJ) dysfunction causes
Disc-condyle derangement
Temporomandibular joint (TMJ) dislocation causes
Side blow to open mouth
Temporomandibular joint (TMJ) dislocation symptoms
Jaw locked in open position, movement almost impossible, malocclusion
External ear
Auricle, ear lobe, external auditory canal/meatus
Middle ear
Tympanic membrane, osicles (malleus, incus, stapes), eustachian tube
Eustachian tube function
Stabilizes pressure
Internal ear
Cochlea (allows for hearing), semicircular canals
Semicircular canals function
Balance
Sports common w/ auricular hematoma
Wrestling, boxing, rugby
Cauliflower ear
Another term for auricular hematoma
Treatment for auricular hematoma
aspiration
Treatment for keloid
Surgical removal
Tympanic membrane rupture causes
Slap to unprotected ear, quick change in pressure
Otitis externa “swimmer’s ear” causes
Water trapped in ear canal, too much ear wax, cysts, allergies
Otitis media (middle ear infection) causes
Fluid build up from infection
Impacted cerumen causes
Excessive ear wax in canal
Lacrimal glands function
Produce tears
Conjunctiva function
Secretes mucus
Pink eyes
Eye color with no melanin
Brown/green eyes
Eye color with most melanin
Blue eyes
Eye color with minimal melanin
Pupil muscles
Sphincter and dilatator pupilae
Retina contents
Rods and cones
Orbital hematoma causation
Direct blow
Orbital fracture symptoms
Diplopia (double vision), restricted movement, downward displacement, numbness
Corneal abrasion causes
Debris in eye
Retinal detachment symptoms
Flashes of light specks in vision, seeing a “curtain falling down”
Conjunctivitis (pink eye) variations
Viral, bacterial, allergic
Conjunctivitis (pink eye) symptoms
Swelling, redness, itching, discharge
Uncomplicated crown fracture
Fracture where pulp is unaffected (no blood)
Complicated crown fracture
Exposes the pulp (bleeding)
Root fracture
Bleeding from gums, tooth becomes loose