Question

The Integumentary System Basic Structure of the Skin 1. Complete the following statements by writing the appropriate word or phrase on the correspondingly numbered blank: The two basic tissues of which the skin is composed are dense irregular connective tissue, which makes up the dermis, and 1, which forms the epidermis. The tough water-repellent protein found in the epidermal cells is called 2. The pigments melanin and 3 contribute to skin color. A localized concentration of melanin is referred to as a 4. 2. Four protective functions of the skin are a. b. c. d. 3. Using the key choices, choose all responses that apply to the following descriptions. Some terms are used more than once. Key: a. stratum basale b. stratum corneum c. stratum granulosum d. stratum lucidum e. stratum spinosum f. papillary layer g. reticular layer h. epidermis as a whole i. dermis as a whole 1. layer of translucent cells in thick skin containing dead keratinocytes 2. two layers containing dead cells 3. dermal layer responsible for fingerprints 4. vascular region of the skin 5. major skin area as a whole that produces derivatives (nails and hair) 6. epidermal layer exhibiting the most rapid cell division 7. layer including scalelike dead cells, full of keratin, that constantly slough off 8. layer of mitotic cells filled with intermediate filaments 9. has abundant elastic and collagenic fibers 10. location of melanocytes and tactile (Merkel) cells 11. area where weblike pre-keratin filaments first appear 12. layer of areolar connective tissue

The Integumentary System
Basic Structure of the Skin
1. Complete the following statements by writing the appropriate word or phrase on the correspondingly numbered blank:
The two basic tissues of which the skin is composed are dense irregular connective tissue, which makes up the dermis, and 1, which forms the epidermis. The tough water-repellent protein found in the epidermal cells is called 2. The pigments melanin and 3 contribute to skin color. A localized concentration of melanin is referred to as a 4.

2. Four protective functions of the skin are
a.
b.
c.
d.

3. Using the key choices, choose all responses that apply to the following descriptions. Some terms are used more than once.
Key: a. stratum basale
b. stratum corneum
c. stratum granulosum
d. stratum lucidum
e. stratum spinosum
f. papillary layer
g. reticular layer
h. epidermis as a whole
i. dermis as a whole

1. layer of translucent cells in thick skin containing dead keratinocytes
2. two layers containing dead cells
3. dermal layer responsible for fingerprints
4. vascular region of the skin
5. major skin area as a whole that produces derivatives (nails and hair)
6. epidermal layer exhibiting the most rapid cell division
7. layer including scalelike dead cells, full of keratin, that constantly slough off
8. layer of mitotic cells filled with intermediate filaments
9. has abundant elastic and collagenic fibers
10. location of melanocytes and tactile (Merkel) cells
11. area where weblike pre-keratin filaments first appear
12. layer of areolar connective tissue

The Integumentary System
Basic Structure of the Skin
1. Complete the following statements by writing the appropriate word or phrase on the correspondingly numbered blank:
The two basic tissues of which the skin is composed are dense irregular connective tissue, which makes up the dermis, and 1, which forms the epidermis. The tough water-repellent protein found in the epidermal cells is called 2. The pigments melanin and 3 contribute to skin color. A localized concentration of melanin is referred to as a 4.

2. Four protective functions of the skin are
a.
b.
c.
d.

3. Using the key choices, choose all responses that apply to the following descriptions. Some terms are used more than once.
Key: a. stratum basale
b. stratum corneum
c. stratum granulosum
d. stratum lucidum
e. stratum spinosum
f. papillary layer
g. reticular layer
h. epidermis as a whole
i. dermis as a whole

1. layer of translucent cells in thick skin containing dead keratinocytes
2. two layers containing dead cells
3. dermal layer responsible for fingerprints
4. vascular region of the skin
5. major skin area as a whole that produces derivatives (nails and hair)
6. epidermal layer exhibiting the most rapid cell division
7. layer including scalelike dead cells, full of keratin, that constantly slough off
8. layer of mitotic cells filled with intermediate filaments
9. has abundant elastic and collagenic fibers
10. location of melanocytes and tactile (Merkel) cells
11. area where weblike pre-keratin filaments first appear
12. layer of areolar connective tissue

Added by Calvin J.

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