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Physiology Activity
Week 4
| Question | Answer |
|---|---|
| Which skin layer has cells that look prickly because of the desmosomes that join the cells together? | stratum spinosum |
| Which cells of the skin act as a type of antigen-presenting cell in the skin? | Dendritic Cells |
| Which is not part of a hair? | Lanugo; (Shaft, Root, Medulla are all parts of a hair). |
| The gland responsible for the waxy secretion in the external ear canal is: | ceruminous |
| Smooth muscles that produce goose pimples when they contract are the _____ muscles. | arrector pilli |
| Fingernail growth is the result of the mitosis of the cells in the stratum: | germinativum. |
| The nail body forms at the nail root, which has a matrix of proliferating cells from the _____________ that enables the nail to grow continuously. | stratum basale |
| Which skin layer contains closely packed, clear cells that contain a gel-like substance called eleidin? | Stratum lucidum |
| In which skin layer does the process of keratinization begin? | Stratum granulosum |
| Which cells of the skin are filled with a tough, fibrous protein and account for most of the epidermal cells of the skin? | Keratinocytes |
| Which skin layer is called the barrier area? | stratum corneum |
| The hair papilla consists of _____ tissue. | dermal |
| The hair follicle is found in the: | dermis |
| Apocrine sweat glands can be found in all of the following areas except the: | soles of the feet |
| Hair: | alternates between periods of growth and rest, consists of keratinized cells, and is formed from cells of the germinal matrix. (all) |
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Janelleu4771
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