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Seerat Bhullar
Physiology Week 1-6
| Term | Definition |
|---|---|
| Transferases | The transfer of function groups like methyl, acetyl, or phosphorly from one molecule to another. |
| Ligases | Joining two molecules together that lead to the formation of new covalent bonds. |
| Lyases | When a covalent bond is broken without the use of water and it often leads to the formation of a double bond or a new structore. |
| Oxidoeductases | The transfer of electrons from one molecule to another. |
| Hydrolases | When a molecule is broken down with the use of water. They are involved in the process of breaking down larger molecules into smaller ones. |
| Isomerases | Rearranges the bonds of molecules to form isomers. |
| 3 sets of layers of skin | Epidermis, dermis, subcutaneous tissue |
| Subcutaneous Tissue | The last layer |
| Epidermis | First five layers (strata), dead cells |
| Dermis | The next two after the epidermis, alive cells |
| Stratum Basale (Basal Layer) | Tough outer layer for protection, rapid cell division, multiple layers of keratinocytes |
| Stratum Spinosum (Spiny Layer) | Connection of the kerationocytes and desmosome, cells have lost their moisture and shrink |
| Stratum Granulosum (Granular Layer) | Grandules are produced called keratohyalin granules, holds different keratin-handling proteins |
| Stratum Lucidum (Lucid or Clear Layer) | Keratinosytes are deas and lose their nuclei or organelles |
| Stratum Corneoum | The topmost layer, stacked layers of dead kerationsytes, 15 or 20 stacked layers that randomly fall off and makes room for new cells |
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