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Week #7 Physiology
weeks 1-6
| Question | Answer |
|---|---|
| what are the 4 major/principal tissue types? | epithelial, connective, muscle, and neurons |
| distal | away from the truck or point of allotment |
| Inferior | toward the bottom of the body |
| Cephalad | toward the head (used for 4 legged animals) |
| posterior | towards the back |
| Endoplasmic Reticulum | transports into and out of nucleus aids in the synthesis and storage of proteins |
| chromosomes | when the cell is ready to divide the chromatin will form into rod shaped structures called chromosomes 46 per cell (23 pairs) |
| ligand gated Ions are? | proteins in the cell membrane that open or close in response to a chemical signal (ligand)—usually a neurotransmitter. |
| Schwan cell are | are specialized glial cells found in the peripheral nervous system (PNS) |
| axon | is the long, slender projection of a neuron that carries electrical impulses away from the cell body toward other neurons, muscles, or glands. |
| mitochondria function is? | power house of the cell, breaks down carbs, fat & protein to form ATP |
| ATP | adenosine Triphosphate energy of the cell |
| Golgi Aparatus | produces, stores and packages secretions for discharge from the cell |
| Pinocytic Vesicles | pocket like folds in the cell membrane which allow fats and protein molecules to enter the cell once inside the cell, the folds close to form ve |
| Acetylcholine | a neurotransmitter, which means it’s a chemical messenger that carries signals between nerve cells and other types of cells, such as muscle cells. |
| tissue | a group of similar cells that all develop together from the same part of the embryo & all perform a certain function |
| lysosomes | digest proteins & fats breaks downs old cells bacteria & foreign materials important to immune system |