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Glands
| Question | Answer |
|---|---|
| What do glands do? | They secrete something |
| What is glandular epithelium? | It lines or covers glands |
| What are the 3 types of glands? | Exocrine, endocrine, mixed glands |
| Describe exocrine glands | They release their products through ducts to the surface; examples: sweat glands, saliva glands, exocrine pancreas (digestive enzymes) (think - exo - exit - exit through ducts) |
| Describe endocrine glands | They release their products directly into the bloodstream (e.g. insulin, glucagon); examples: pituitary gland, testis, ovaries, endocrine pancreas, hypothalamus (think endo - into - into the blood) |
| What are mixed glands? | Has functions of both endocrine and exocrine glands; example: pancreas |
| What is secretion? | The contents of the cell are released |
| What are the 3 modes of secretion? | Holocrine, eccrine, and apocrine |
| What is holocrine secretion? | The cell is destroyed in the process, replaced by new cells from beneath; examples: sebaceous glands (oil) of the skin (think holo - whole - whole cell destroyed) |
| What is eccrine secretion? | The cell remains intact; examples: salivary glands, sweat glands, exocrine glands of pancreas |
| What is apocrine secretion? | The apex pinches off and is repaired afterwards; examples: milk secretion from the mammary glands (think - apo - apex) |
Created by:
debmurph
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