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96 Cards in this Set
- Front
- Back
mental foramen
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posteriorly on the surface of the mandible, typically between the apices of the 1st and 2nd mandibular premolars is an opening....
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sphenomandibular ligament
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medial surface on lingulla
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styloid mandibular ligament
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angle of mandible on medial aspect
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TMJ disc, articular disc, meniscus, joint disc......
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no bone to bone contact with articulation pad of tissue inside of capsule composed of fibrous cartilage.
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ligaments and muscles have....
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origins(less moveable) and insertion (more moveable)
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articular fossa, mandibular fossa, glenoid fossa, TMJ fossa, condylar fossa.....
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all the same, they are located in the temporal fossa
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TMJ capsule
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with meat on it,it is surrounded by a capsule, composed of regular dense fibrous connective tissue
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alveolar process
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houses the roots of the teeth
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articulation
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area where bones are joined together
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NAME TWO TYPES OF ARTICULATION
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SUTURE:IMMOVEABLE ARTICULATION (USUALLY NAMED BY TWO BONES THAT MAKE UP THE SUTURE)
JOINT: MOVEABLE ARTICULATION |
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what happens with the superior orbital fissure
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blood vessels and nerves enter and exit
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what causes lock jaw
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as joint slides anterioly a dip in the bone (zygomatic arch) and it is now anterior it is called articular eminence, if it becomes anterior to this ........
to unlock the mandible has to be pushed down |
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internal oblique ridge
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anterior to lingual surface of bone
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THE SKULL IS MADE UP OF.....
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MEMBRANOUS BONE (NO PRE-EXISTING BONE)
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ARTICULATION
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LINES THAT SEPARATE MANY BONES; WHERE TWO OR MORE BONES MEET
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CALVARIUM
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ANOTHER WORD FOR CRANIUM (HOUSES THE BRAIN)
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temporal fossa or infratemporal depression
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the inferior temporal line is the superior boundary of this fossa and is the site of attahment for the fan-shaped temporalis muscle
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TRANSVERSE OR HORIZONTAL
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PARALLEL TO THE GROUND;DIVIDES BODY INTO SUPERIOR AND INFERIOR PORTIONS
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FACIAL BONES
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EVERYTHNG INFERIOR AND ANTERIOR TO THE OBLIQUE LINE. JUNCTION OF THE FRONTAL AND NASAL BONES
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name the foramina of the sphenoid
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superior orbital fissure, foramen ovale, foramen rotundum, and the foramen spinosum
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foramen spinosum
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smaller and more posterior opening than the foramen ovale, carries the middle meningeal artery into the cranial cavity. Gets its name from the nearby spine of the sphenoid bone, which is the most posterior extremity of the sphenoid bone
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parietal bone
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paired bone that is immediately posterior to frontal bone
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ramus of the mandible
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segment that progresses ina superior direction
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foramen rotundum
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opening in the floor of the medial cranial fossa through the greater wing of the sphenoid bone
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FRONTAL BONE
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SINGLE BONE THAT CROSSES THE MIDLINE
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MANY PROJECTIONS OR CONDYLES ARE REFFERED TO AS.......
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A PROCESS
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mandibular foramen
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anterior to the projection of the lingulla bone. Opening to mandibular canal. Goes through entire mandible, transmits artery, vein, and nerve lymphatics to all teeth
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CANAL
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WHEN THE OPENING IN THE BONE PROGRESSES FOR A CERTAIN DISTANCE
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zygoma; zygomatic arch
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cheekbone
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ligulla
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bony spine overhanging the mandibular foramen
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WHERE ARE FORAMEN AND CANALS FOUND
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WHERE STRUCTURES ENTER OR EXIT;PREDOMINATELY BLOOD VESSELS AND NERVES
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FORAMEN
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OPENINGS IN THE BONE
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foramen ovale
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larger anterior oval opening on the sphenoid bone
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NAME THE ONLY MOVEABLE BONE IN THE SKULL
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THE MANDIBLE; IT IS A MOVEABLE JOINT
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inferior orbital fissure
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can be seen between the greater wing of the sphenoid bone and the maxilla
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crista galli
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superior midline projection of the ethmoid bone into the anterior cranial fossa; it arises between the cribriform plates
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sphenoid
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inferior to frontal bone; wings greater and lesser
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FOSSA
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A DEPRESSION; MAY BE SHALLOW OR DEEP(SOME ARE SITES FOR ATTACHMENT)
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ORBITS
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LATERAL TO NASAL BONE
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ethmoid bone
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a single midline cranial bone of the skull. It articulates with the frontal, sphenoid, lacrimal, and maxillary bones and adjoins the vomer at its inferior and posterior border
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SUPRAORBITAL FORAMEN
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OPENING ABOVE THE EYE; ONE ON EACH SIDE
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squamous suture
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separates the temporal bone on the left and right and the parietal bone
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angle of the mandible
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where the body and the ramus meet
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INFERIOR MIDLINE
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NASAL BONES LEFT AND RIGHT PARTS
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hypoglossal canal
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openings anterior and lateral to the foramen magnum are visible on the inferior view of the occipital bone
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naming of ligaments starts with origin
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ex; spheno-mandibular-ligament
(sphenoid connects to mandibular) |
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mastoid process
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posterior to the external auditory canal, is a large roughened projection, composed of air spaces that communicate with the middle ear cavity
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PERIFORM APPETURE
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INFERIOR TO ORBITS IS A BONY OPENING
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temporal lines;superior temporal line, inferior temporal line
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two separate parallel ridges on the lateral surface of the skull that cross both the frontal and parietal bones;
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styloid process
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inferior and medial to the external auditory canal is a long pointed bony projection that serves as an attachment for muscle and ligament attachment
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temporal bone
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immediately posterior to sphenoid and inferior to parietal; also a paired bone
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what does the optic canal contain
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the optic nerve
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SAGITTAL PLANE
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RUNS VERTICALLY THROUGH THE BODY;CUTS INTO LEFT AND RIGHT PORTIONS
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maxilla
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inferior and anterior this starts lateral to nasal bones and makes up the upper jaw
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NASAL CONCHAE
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3 PAIRS OF BONE ON THE LATERAL WALL OF THE NASAL CAVITY
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foramen lacerum
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on the external surface of the skull is the large irregularly shaped; filled with cartilage.......
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occipital bone
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inferior and posterior bone of the cranium
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INFRAORBITAL FORAMEN
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INFERIOR TO THE NASAL CAVITY, LATERALLY THERE ARE TWO OPENINGS
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cribriform plates
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horizontal bone that is crossed by the perpindicular plate.it is visible from the inside of the cranial cavity and present on the superior aspect of the bone, allow sense of smell
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tympanic portion
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2nd portion of the temporal bone; small irregularly shaped and associated with the ear anal
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suture
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generally immoveable articulation in which bones are joined by fibrous tissue
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the posterior wall of the optic foramen is made up of...
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the greater wing of the sphenoid
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LATERAL
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AWAY FROM THE MIDLINE
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squamous portion
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lateral view of temporal bone; a large fan-shaped, flat portion on each of the temporal bones
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anterior nasal bone
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most inferior, anterior margin of the piriform appeture; serves as sites for attachment
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jugular foramen
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just medial to the styloid process
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carotid canal
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posterolateral to the foramen lacerum is a round opening in the petrous portion of the temporal bone......
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FRONTAL OR CORONAL
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RUNS VERTICALLY FROM RIGHT TO LEFT AND DIVIDES THE BODY INTO ANTERIOR AND POSTERIOR PARTS
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SUPERIOR
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CEPHALIC, UP
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ANATOMIC POSITION
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REFERS TO A PERSON STANDING ERECT WITH THE FEET FORWARD AND ARMS HANGING TO THE SIDE
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INFERIOR
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CAUDAL, DOWN
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POSTERIOR
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DORSAL;BACK
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ANTERIOR
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VENTRAL, FRONT
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PROXIMAL
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NEAREST
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MEDIAL
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TOWARD THE MIDLINE
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DISTAL
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DISTANT; AWAY FROM
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DEEP
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TOWARD THE INFERIOR PART OF THE BODY
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MIDSAGITTAL OR MEDIAN
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DIVIDES BODY INTO EQUAL LEFT AND RIGHT HALVES
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the palate is made up of.....
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premaxilla, incisive canal, hard palate(from anterior to junction), palatine bones(part of the soft palate), median palatal suture, and horizontal palatiine bones
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external auditory canal
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a short canal leading to the tympanic cavity, located posterio to the articular fossa
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PERPENDICULAR PLATE OF ETHMOID
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IN BETWEEN THE PIRIFORM APERTURE
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the zygomatic arch is made up of.....
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zygomatic process of temporal bone and the temporal process of the zygomatic bone
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posterior nasal apeture
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two large openings superior to the nasal bone
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petrous portion
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3rd part of temporal bone, it is inferiorly located and helps form the cranial floor
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the orbital rim is made up of which three bones
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frontal, maxilla, and zygoma
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SUPERFICIAL
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STRUCTURE CLOSE TO THE SURFACE OF THE BODY
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which duct drains into the nasal cavity
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the lacrimal duct
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TMJ exhibits two types of movement:
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initial movement when opening the mouth a little is rotation or hinge.
wide opening continues to have hinge movement but also a sliding and griding motion combo of hinge and gliding motion |
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the sphenoid consists of...
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greater wing, lesser wing, pterygoid plate, sella turica and optic foramen
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capsule
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keeps joints in place and contains fluid
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coronoid process
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anterior portion of the muscle attachment
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retrodiscal pad
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the thickening at the most posterior segment, and contains nerve endings of TMJ
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foramen magnum
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largest opening on the inferior view of the skull
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what does the lesser wing of the sphenoid do
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it houses the optic foramen
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what causes the popping sound of the TMJ
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when the disc comes forward to condyle it snaps back to hit wall, which causes this....
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hyoid bone
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only bone in the body that does not articulate with any other bone. Broken in cases of strangulation
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