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Marvin
Anatomy week 1-5
| Anatomy Week 1-5 | |
|---|---|
| Negative Feedback | Counteracts a change to restore set point (e.g., body temp control) |
| Positive Feedback | Amplifies or reinforce a change to drive a process to completion (e.g., childbirth, clotting) |
| Anatomical Directional Terms | Anterior/Posterior; Superior/Inferior; Medial/Lateral; Proximal/Distal; Superficial/Deep |
| Ionic vs Covalent vs Hydrogen Bonds | Electron transfer; electron sharing; weak attraction to electronegative atoms |
| Diffusion | Movement down concentration gradient; no ATP |
| Osmosis | Water diffusion across semipermeable membrane. |
| Centrosome/ Centrioles | Microtubule organizing centers; spindle formation |
| Epithelial Shapes/Layers | Squamous, cuboidal, columnar; simple vs stratified |
| Skeletal Muscle Fiber Anatomy | Sarcolemma, sarcoplasm, myofibrils, SR, T-tubules |
| Neuromuscular Junction | Motor neuron releases ACh--binds nicotinic receptors on end plate |
| Isometric vs Isotonic | Isometric: tension w/o length change; Isotonic: concentric/eccentric |