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Radiology
Chapter 19 Vocab Part A & B
| Question | Answer |
|---|---|
| Acanthion | The superior prominence formed at the junction of the two maxillary bones; the positioning landmark where the nose meets the upper lip. |
| Blowout fracture | Traumatic opening between the orbital floor and the maxillary sinus, usually caused by a blow to the eye. |
| Cerebral concussion | A blow to the head that causes brief unconsciousness of disorientation. |
| Contrecoup injury | Brain injury caused by movement of the brain within the cranium that results from a severe blow to the head on the opposite side. |
| Cranium | The eight bones that surround the brain; the brain case. |
| External auditory meatus (EAM) | The opening to the ear canal. |
| External occipital protuberance | The palpable bony prominence in the approximate center of the occipital bone. |
| Foramen magnum | The large round hole in the anterior portion of the occipital bone through which the spinal cord passes. |
| Glabella | The bony prominence on the frontal bone between the eyebrows. |
| Gonion | The angle on the mandible. |
| Lacrimal bone | One of the smallest and most fragile bones of the face, located at the anterior part of the medial wall of the orbit. |
| Mandible | The lower jaw. |
| Maxilla | The upper jaw. |
| Mental protuberance (point) | The prominence in the center of the mandible's lower margin. |
| Multiple myeloma | A malignant bone disease that may involve many bones of the body. |
| Nasal conchae | Six thin, curved, bony projections that divid the nasal cavities. |
| Nasion | The anterior depression in the midline of the skull between the orbits. |
| Orbit | Eye socket. |
| Palatine bone | A part of the roof of the mouth. |
| Sella turcica | The rounded fossa in the center of the anterior superior surface of the sphenoid bone; the location of the pituitary gland. |
| Suture | A synarthrodial joint that connects the bones of the cranium; a stitch used to close a wound or the material used to close a wound in this way. |
| Vomer | The bone that forms the inferior portion of the nasal septum. |
| Zygoma | The cheek bone. |