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Christa Podojil
Human anatomy wk 1-5
| Term | Definition |
|---|---|
| anatomical position | position the body is in an erect, or standing, posture with the arms at the sides and palms turned forward |
| lumen. | Many organs of the body are hollow, such as the stomach, small intestine, airways of the lungs, blood vessels, urinary organs, and so on. The hollow area of any of these organs |
| Osteoblasts | small cells that synthesize and secrete an organic matrix called osteoid. |
| Osteoclasts | giant multinucleate cells that are responsible for the active erosion of bone minerals. |
| Osteocytes | mature, nondividing osteoblasts that have become surrounded by matrix and now lie within lacunae. |
| myeloid tissue | A soft connective tissue. Example: bone marrow |
| Epidermis | Superficial primary layer of the skin; made up entirely of keratinized stratified squamous epithelium; derived from the ectoderm; also includes hairs, sweat glands, sebaceous glands |
| Dermoepidermal junction (DEJ) | The basement membrane, a unique and complex arrangement of adhesive components that glue the epidermis and dermis together |
| Dermis | Deep primary layer of the skin; made up of fibrous tissue; also includes some blood and lymphatic vessels (c), muscles, and nerves; derived from mesoderm |
| Papillary layer | Loose fibrous tissue with collagenous and elastic fibers; forms nipplelike bumps (papillae, d); includes tactile corpuscles (touch receptors, e) and other sensory receptors |
| Reticular layer | Tough network (reticulum) of collagenous dense irregular fibrous tissue (with some elastic fibers); forms most of the dermis |
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Cpodojil
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