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Jocelyn
Midterm anatomy 1
| Term | Definition |
|---|---|
| directional terms | superior - toward head, inferior - toward feet, anterior - front, posterior - back, medial - toward middle, lateral - away middle, proximal - toward trunk, distal - away trunk |
| Plasma membrane | separates the cell from its surrounding environment (outer boundary of cell) |
| Cytoplasm | thick gel-like substance inside the cell composed of numerous organelles suspended in watery cytosol; each type of organelle is suited to perform particular functions |
| Nucleus | large membranous structure near the center of the cell |
| Principal types of tissue | 1. Epithelial tissue 2. Connective tissue 3. Muscle tissue 4. Nervous tissue |
| Membranous (surface) epithelium | covers the body and some of its parts; lines the serous cavities, blood and lymphatic vessels, and respiratory, digestive, and genitourinary tracts |
| Glandular epithelium | secretory units of endocrine and exocrine glands |
| Types of bones | a. Long bones—cylindrical b. Short bones—boxlike c. Flat bones—broad, sheetlike d. Irregular bones—various shapes e. Sesamoid bones—seedlike |
| Axial skeleton | the 80 bones of the head, neck, and torso; composed of 74 bones that form the upright axis of the body and six tiny middle ear bones |
| Appendicular skeleton | the 126 bones that form the appendages to the axial skeleton; the upper and lower extremities |
| Lower Extremity | bones of the hip, thigh, leg, ankle, and foot |
| Upper Extremity | bones of the shoulder girdle, upper and lower parts of the arm, wrist, and hand |
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user-1990686
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