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Skull, Facial, Sinus

A line between the glabella and alveolar process of the maxilla GAL- Glabelloaveolar Line
A line between the infraorbital margin and the EAM IOML- Infraorbitomeatal Line
A line between the mental point and EAM MML- Mentomeatal Line
A line between the midlateral orbital margin and the EAM OML- Orbitomeatal Line
A line that is used in positioning to ensure that the skull is in a true lateral LML- Lips-Meatal Line
A small prominence located on the squamous portion of the occipital bone EOP- External Occipital Protuberence
A smooth slightly depressed area between the eyebrows Glabella
Another name for the cranial nerve Optic Nerve
Anterior Bregma
T/F: AP Axial(Towne) skull results in about 10 times more dose to the thyroid than the PA Axial(Haas) True
Auditory ossicle attaches to the oval window Stapes
Benign cystlike mass in teh middle ear Cholesteatome
Bilateral Zygomatic Arches are best seen in which projection SMV- Submentovertex
Mandibular Body Horizontal portion of the mandible
Bone tumor that originates in the bone marrow Multiple Myeloma
Brachyocephalic Skull width 80% or more than length
Center point of the EAM Auricular Point
Collective term for the small bones of the middle ear Auditory Ossicles
Condyloid Process Posterior process of the upper ramus
Coronoid Process Bony process located anterior the mandibular notch
Corresponds to the highest "nuchal" line of the occipital bone Inion
Corresponds to the highest level of the facial bone mass SOG- Supraorbital Groove
Corresponds to the level of the petrous ridge TEA- Top of Ear Attachment
Another name for Hypophysis Pituitary Gland
Infection of the teeth may travel upward into the Maxillary Sinus
Large cartilaginious aspect of the external ear Pinna
Largest moveable facial bone Maxilla
Latereral junction of the eye lid Outer Canthus
T/F: Lateral nasal bones are usally done bilaterally True
Left sphenoid fontanel in an adult Left Pterion
Located at the junction of the two nasal bones and the frontal bone Nasion
The shape of the mandibular notch U-Shaped
The mentum is also known as The Chin
Mesocephalic Skull width between 75% and 80% of length "normal skull"
The name of the passageway between the maxillary and middle nasal meatus Infundibulum
Name of the paired collections of bone found inferior to the cribiform plate that contain numerous air cells and help form the lateral walls of the nasal cavity Lateral Labyrinth or Masses
Name of the small membrane that connects the middle ear to the inner Oval or Vestibular Window
Name of the suture formed by inferior junction of the parietals to the temporal bones Squamosal
Name of the thin plate of bone that separates the mastoid air cells from the tympanic membrane Tegmen Tympani
T/F: Otoscleroisis is hereditary True
Perpendicular Plate, Superior Nasal Conchae, and Cribiform Plate articulate with Ethmoid Bone
Petrous Ridge, Zygomatic Processes articulate with Temporal Bone
Posterior fontenel of the occipital bone Lambda
Posterior angle of the jaw Gonion
Proliferative bony lesion of increased density Osteoblastic Neoplasm
Pterygoing Hamulus, Anterior Clinoid, Foramen Ovale, Sella Turcica articulate with Occipital Bone
The purpose of the conchae or turbinates is To divide the nasal cavity into compartments and and circulate air coming into the nasal cavity
The Right and Left mastoid fontenel Asterion
The Right and Left sphenoid fontenel Pterion
What is the ramus Vertical portion of the mandible
Shallow depression just posterior to the base of the dorsum dellae and anterior to the foramen magnum Clivus
Skull classification applies to an angle with 54 degrees between the MSP and the long axis of the pars petrosa Brachycephalic
Small cartilaginous flap covering the opening of the ear Tragus
Small horizontal plate of the ethmoid Cribiform Plate
Small irregular bones that sometimes develope in an adult skull Sutural or wormian(usually found in the lamboidal suture)
Small membrane that will move outward to transmit impulses to the auditory nerve creating hearing? Round or Cochlear Window
Small section of bone located superior to the cribiform plate Crista Galli
Soft tissue landmark found at the base of teh anterior nasal spine Acanthion
Structure found in the middle of the sphenoid bone that surrounds the pituitary gland Sella Turcica
Symphysis ment The point of union between halves of the mandible
Tear ducts Lacrimal
The aditus is an opening between the epitympanic and the _____ of the temporal bone Mastoid
T/F: The cochlea is a closed system relating to the sense of hearing True
T/F: The sphenoid bone articulates with all the other cranial bones True
T/F: There is a 7-8 degree difference between the OML and IOML lines, and 7-8 degree between it OML and GML True
Thinnest part of the temporal bone Squamous
Vertical plate of the ethmoid bone Perpendicular Plate
Three aspects of the temporal bone Squamous, Mastoid, and Petrous
Tumer that may produce erosion of the selle turcica Pituitary Adenoma
Untreated infection of the mastoid cells Encephalitis
What external landmark corresponds with the leval of the ptrous ridge TEA- Top of Ear Attachment
What is the major function of the eustacian structure Equalize atmospheric pressure in the middle ear
What is the name of the notch that separates the orbital plates from each other Ethmoidal Notch
What is the name of the oval proceses found on the occiptial bone that helps form the occipito-atlantal joint Occipital Condyles or Lateral Condylar Portion
What part of the temporal bone contains the organs of hearing and balance Petrous
What structure allows for the communication between the nasopharynx and middle ear Eustachian
What structure of the sphenoid bone allows for the passage of the optic nerve Optic Foramen
What structure serves as an opening between the mastoid portion of the temporal bone and the middle ear Aditus
What term describes the superior rim of the orbit SOM- Supraorbital Margin
Which aspect of the frontal bone forms the superior aspect of the orbit Orbital or Horizontal
Which aspect of the temperal bone is the densest Petrous Portion
Which auditory ossicles looks like a tooth Incus
Which auditory ossicles picks up vibration Malleus
Which bone contains the foramen magnum Occipital Bone
Which cranial bones form the upper lateral walls of the calvarium Right and Left Parietals
Which facial bone forms the posterior aspect of the hard palate Horizontal portion of the palatine bone
Which facial bone has the maxillary branch of the fifth cranial nerve passing through it Inferior Orbital Fissure
Which one of the auditory ossicles is consideered to be the smallest Stapes
Which one of the facial bone opening is formed by a cleft between the greater and lesser wings of the sphenoid Superior Orbital Fissure
Which opening in the temporal bone serves as a passageway for nerves of hearing and equilibrium Internal Acoustic Meatus
Which part of the middle ear is the most lateral Malleus
Which small membrane marks the begining of the middle ear Tympanic Membrane
Which structures make up the carilaginious external ear Aurcle or Pinna
Which structures of the sphenoid bone help form part of the lateral walls of the nasal cavity Medial and Lateral Pterygoid
Which two sensory functions occur within the inner ear Hearing and Equilibrium
Widest part of the skull Parietal Tubercles
Created by: Dallas1856