integumentary system

Question 1

layers of strata

Answer 1

stratum corneum
stratum lucidum
stratum granulosum
stratum spinosum
stratum basale

Question 2

stratum corneum

Answer 2

have cells hardened w keratin
top layer

Question 3

stratum lucidum

Answer 3

additional layer only found on hands and feet
provide added thickness

Question 4

stratum granulosum

Answer 4

lost nuclei but still active produce keratin
3nd fr bottom layer

Question 5

stratum basale

Answer 5

has epidermal stem cell, melanocytes
bottom layer

Question 6

psoriasis

Answer 6

abnormality of keratinocytes

Question 7

melanocyte

Answer 7

produces pigment for skin
in deepest epidermis and superficial dermis
- skin color = activity of melanocyte

Question 8

apocrine sweat glands

Answer 8

secrete onto sweat glands
can develop odor

Question 9

eccrine sweat glands

Answer 9

directly onto skin
regulate body temp

Question 10

where is melanin found

Answer 10

bottom of epidermis