CA Integumentary System
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What are the functions of skin and its derivatives?
- 1. protection
- 2. sensory
- 3. respiration
- 4. temperature regulation
- 5. electrolyte balance,
- 6. food storage
- 7. nourishment for young
- 8. locomotion
What are the two major components of skin?
What are the four layers of the epidermis?
- 1. Stratum corneum
- 2. Stratum lucidum
- 3. Stratum granulosum
- 4. Stratum germinativum
_______ is a layer of contunuous layer of epithealial cells.
The _____ is avascular, so it is dependent on underlying cells for nutrition.
What term describes dead cells be sloughed off?
Describe the process of Keratinization.
Includes flattening, loss of nuclei, tickening of the cell membrane, and desquamation occurs.
In what organisms is the keratinization process found?
What are the layers of the dermis?
- 1. papillary layer
- 2. corium
- 3. subcutaneous layer
The dermis contains what structures?
- 1. Blood vessels
- 2. nerve endings
- 3. sweat and sebaceous glands
- 4. pigment cells
The dermis is composed of _____ and _____ fibers in a gel like matrix.
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