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MDA Ch. 9
Modern Dental Assisting, Bird, 10th Edition
| Term | Definition |
|---|---|
| Alveolar process | Portion of the maxillary bones that form the support for teeth of the maxillary arch. |
| Articular (ahr-TIY-yoo-luer) 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 (BUK-ul) | Region of the head that refers to structures closest to the inner cheek. |
| Circumvallate lingual papillae (sir-kum-VAL-ayt LING-gwul puh-PIL-ee) | 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 (KRAY-nee-um) | 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 (FOS-ah, FAW-suh) | Wide, shallow depression on the lingual surfaces of anterior teeth. |
| Frontal | Region of the head pertaining to the forehead. |
| Frontal process | Process of the zygomatic bone that extends toward 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 plaltine (PA-luh-tien) nerve | Nerve that serves the posterior hard palate and the posterior lingual gingiva. |
| Hamulus | A hook-shaped process. |
| Infraorbital (in-fruh-OR-bi-tul) | Region of the head below the orbital region. |
| Lacrimal (LAK-ri-mul) bones | Paired facial bones that help form the medial wall of the orbit. |
| Lambdoid suture | Line of junction between the occipial and parietal bones. |
| Lateral pterygoid plate | Point of origin for internal and external pterygoid muscles. |
| Lymphadenopathy (lim-fad-uh-NOP-uh-thee) | Disease or swelling of the lymph nodes. |
| Masseter (muh-SEE-tur) | 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 (ok-SIP-i-tul) | 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 (puh-RYE-e-tul) | Pertaining to the walls of a body cavity. |
| Parotid (puh-ROT-id) duct | Duct associated with the parotid salivary gland, which opens into 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 (stur-noe-klye-doe-MAS-toid) | Major cervical muscle. |
| Styloid process | Process that extends from the undersurface of the temporal bone. |
| Symphysis menti (SIM-fi-sis-MEN-tee) | 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. |
| Temproromandibular (tem-puh-roe-man-DIB-yoo-lur) joint (TMJ) | Joint on each side of head that allows movement of the mandible. |
| Trapezius (truh-PEE-zee-us) | 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. |
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mortiz09
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