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MDA Ch. 7
Modern Dental Assisting, Bird, 10th Edition
| Term | Definition |
|---|---|
| Apocrine sweat glands | Large sweat glands that are found under the arms, around the nipples, and in the genital region. |
| Appendicular (ap-en-DIK-yoo-lur) skeleton | Portion of the skeleton that consists of the upper extremities and shoulder girdle plus the lower extremities and pelvic girdle. |
| Arteries | Large blood vessels that carry blood away from the heart. |
| Articulation (ahr-tik-yoo-LAY-shun) | Another term for joint. |
| Axial (AK-see-ul) skeleton | Portion of the skeleton that consists of the skull, spinal column, ribs, and sternum. |
| Bone marrow | Gelatinous material that produces white blood cells, red blood cells, or platelets. |
| Cancellous (KAN-sil-us) | Lightweight bone found in the interior of bones; also known as a spongy bone. |
| Capillaries | A system of microscopic vessels that connects the arterial and venous systems. |
| Cartilage | Tough, connective, nonvascular elastic tissue. |
| Central nervous system (CNS) | The brain and spinal cord. |
| Compact bone | Outer layer of bones, where needed for strength; also known as cortical bone. |
| Gomphosis | A type of fibrous joint such as a tooth into the alveolus. |
| Integumentary (in-teg-yoo-MEN-tuh-ree) system | The skin system. |
| Involuntary muscles | Muscles that function automatically without conscious control. |
| Joints | Structural areas where two or more bones come together. |
| Muscle insertion | Location where the muscle ends; the portion away from the body's midline. |
| Muscle origin | Location where the muscle begins; the portion toward the body's midline. |
| Neurons | Direct nerve impulses. |
| Osteoblasts (OS-tee-oe-blasts) | Cells that form bone. |
| Pericardium (per-i-KAHR-dee-um) | Double-walled sac that encloses the heart. |
| Periosteum (per-ee-OS-tee-um) | Specialized connective tissue that covers all bones of the body. |
| Peripheral nervous system (PNS) | Cranial nerves and spinal nerves. |
| Peristalsis (per-i-STAHL-sis) | Rhythmic action that moves food through the digestive tract. |
| Plasma | A straw-colored fluid that transports nutrients, hormones, and waste products. |
| Red blood cells | Cells that contain the blood protein hemoglobin, which plays an essential role in oxygen transport; also known as erythrocytes. |
| Sebaceous glands | Oil glands that keep the hair and skin soft and are associated with sex hormones. |
| Sharpey's fibers | Tissues that anchor the periosteum to the bone. |
| Sudoriferous (soo-doe-RIF-ur-us) glands | Sweat glands that are widely distributed over the body and provide heat regulation. |
| Veins | Blood vessels that carry blood to the heart. |
| White blood cells | Cells that have the primary function of fighting disease in the body; also known as leukocytes. |
Created by:
mortiz09
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