can\'t find these charts PART II. Putting It All Together A. Review Questions An

Question

can't find these charts

PART II. Putting It All Together A. Review Questions Answer the following questions using your lecture notes, your texthook, andlor your lah 1. Why do the cells of the epidermis die as they are pushed forther away from the straturm basalet 2. Complete the following chart as you compare the structure and finction of eccrine sweat and apocrine sweat glands. Characteristics unique Characteristics shared by both eccrine to eccrine sweat glands sweat glands and apocrine sweat gland Characteristics unique to apocrine sweat glands s Complete the following chart as you compare the structure and function of melanocytes and keratinocytes 3. Characteristics unique to melanocytes Characteristics shared by bothCharacteristics unique to melanocytes and keratinocytes keratinocytes Characteristics unique to lamellated corpuscles 4. Complete the following chart asy Characteristics shared by both tactile and lamellated corpuscles lamellated corpuscles Characteristics unique to tactile corpuscles 5. Unlike a suntan, which fades, a tattoo is usually permanent. Explain why this is so.

Explanation / Answer

1.They die because they are very far from nutrient supply .They do not get nutrition.

2.characteristic unique to eccrine sweat gland= eccrine sweat gland secretes sweat directly onto the surface of the skin.eccrine glands are present all over the body in large numbers.secretory portion is small than apocrine sweat gland.srcrete thin fluid.

Characteristic shared by both= both secrete the sweat and regulate body temperature.

Characteristic unique to apocrine sweat gland =apocrine glands secrete substances indirectly.in humans, the apocrine glands are present in very few numbers.secretory part is larger than eccrine sweat gland.secrete thick fluid.

3.character unique to melanocytes= produces the protective skin-darkening pigment melanin.Differentiated from neural crest cells.Less in no. Then keratinocytes.

Characters shared by both=both are epidermis cells .

Characters shared by keratinocytes= Produce keratin.Differentiated from basal layer of epithelium.more in number.

5.The tattoos are permanent because of the fact that the ink is injected into the dermal layer of the skin, which is the layer of cells below the epidermis.so it does not fade easily like suntan

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