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Ch 9 Dental Anatomy

TermDefinition
Alveolar process Portion of the maxillary bones that forms the support for teeth of the maxillary arch.
Articular disc  Cushion of dense, specialized connective tissue that divides the articular space into upper and lower compartments; also known as the meniscus.
Articular eminence   Raised portion of the temporal bone just anterior to the glenoid fossa.
Articular space Space between the capsular ligament and between the surfaces of the glenoid fossa and the condyle.
Buccal Region of the head that refers to structures closest to the inner cheek.
Circumvallate lingual papillae Large tissue projections on the tongue.
Condyloid process  The posterior process of each ramus; articulates with a fossa in the temporal bones to form the temporomandibular joint; also known as the mandibular condyle.
Coronal suture  Line of articulation between the frontal bone and parietal bones.
Cranium Eight bones that cover and protect the brain.
External auditory meatus    Bony passage of the outer ear.
Foramen    A small round opening in a bone through which blood vessels, nerves, and ligaments pass; plural, foramina.
Foramen magnum Large opening in the occipital bone that connects the vertical canal and the cranial cavity.
Fossa Hollow, grooved, or depressed area in a bone.
Frontal    Region of the head pertaining to the forehead.
Frontal process  Process of the zygomatic bone that extends upward to articulate with the frontal bone at the outer edge of the orbit.
Glenoid fossa   Area of the temporal bone where condyles of the mandible articulate with the skull.
Greater palatine nerve  Nerve that serves the posterior hard palate and the posterior lingual gingiva.
Hamulus    A hook-shaped process.
Infraorbital  Region of the head below the orbital region.
Lacrimal bones Paired facial bones that help form the medial wall of the orbit.
Lambdoid suture    Line of junction between the occipital and parietal bones.
Lateral pterygoid plate    Point of origin for internal and external pterygoid muscles.
Lymphadenopathy  Disease or swelling of the lymph nodes.
Masseter The strongest and most obvious muscle of mastication.
Mastoid process    Projection on the temporal bone located behind the ear.
Maxillary tuberosity    Large, rounded area on the outer surface of the maxillary bones in the area of the posterior teeth.
Meatus    The external opening of a canal.
Medial pterygoid plate    Plate that ends in the hook-shaped hamulus.
Mental    Region of the head pertaining to or located near the chin.
Mental protuberance    Part of the mandible that forms the chin.
Nasal    Region of the head that pertains to or is located near the nose.
Nasal conchae    Projecting structures found in each lateral wall of the nasal cavity and extending inward from the maxilla; singular, concha.
Occipital Region of the head overlying the occipital bone and covered by the scalp.
Oral    Region of the head pertaining to or located near the mouth.
Orbital    Region of the head pertaining to or located around the eye.
Ossicles    The bones of the middle ear.
Parietal Pertaining to the walls of a body cavity.
Parotid duct    Duct associated with the parotid salivary gland, which opens into the oral cavity at the parotid papilla.
Process    A prominence or projection on a bone.
Pterygoid process    Process of the sphenoid bone, consisting of two plates.
Sagittal suture    Suture that is located at the midline of the skull, where the two parietal bones are joined.
Sphenoid sinuses    Sinuses that are located in the sphenoid bone.
Sternocleidomastoid Major cervical muscle.
Styloid process  Process that extends from the undersurface of the temporal bone.
Symphysis menti The separation of the mandible at the chin that occurs at birth.
Temporal    Region of the head superior to the zygomatic arch.
Temporal process    Process that articulates with the zygomatic process of the temporal bone to form the zygomatic arch, which creates the prominence of the cheek.
Temporomandibular joint (TMJ)    Joint on each side of head that allows movement of the mandible
Trapezius Major cervical muscle.
Trigeminal nerve    The nerve that is the primary source of innervation for the oral cavity.
Zygomatic    Region of the head pertaining to or located near the zygomatic bone (cheekbone).
Zygomatic arch    The arch formed when the temporal process of the zygomatic bone articulates with the zygomatic process of the temporal bone.
Zygomatic process    The process of the maxillary bones that extends upward to articulate with the zygomatic bone.
Created by: ashhol4000
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