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Skull, Facial, Sinus
Question | Answer |
---|---|
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 |