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Stephanie Gonzalez
Physiology week 1-6
| Term | Definition |
|---|---|
| Intracellular control | mechanisms operate at the cell level. |
| Intrinsic control | mechanisms operate at the tissue and organ levels. |
| Homeostasis | A. Homeostatic mechanisms generally operate on the negative feedback principle |
| Carbohydrates | organic compounds containing carbon, hydrogen, and oxygen (usual ratio 1:2:1); commonly called sugars and starches |
| Steroids | 1. Main component is steroid nucleus 2. Involved in many structural and functional role |
| Simple diffusion | a. Molecules cross through the phospholipid bilayer b. Solutes permeate the membrane; therefore we call the membrane permeable |
| Osmosis | Osmosis is the movement of water through a semipermeable membrane, which prevents the passage of at least one solute |
| Diaphysis | a. Main shaft of a long bone b. Hollow, cylindrical shape and thick compact bone c. Function—to provide strong support without cumbersome weigh |
| Epiphyses | a. Both ends of a long bone; made of cancellous bone filled with marrow b. Bulbous shape c. Function—to provide attachments for muscles and give stability to joints |
| Articular cartilage | a. Layer of hyaline cartilage that covers the articular surface of epiphyses b. Function—to cushion jolts and blows |
| Humeroscapular joint | Shoulder joint 2. Most mobile joint because of the shallowness of the glenoid cavity |
| Characteristics of skeletal muscle cells | Excitability (irritability)/Contractility/Extensibility/ |
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stephanie_gonza
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