Integumentary System Flashcards
Exam Review
Be able to label a cross section of the skin.
a. Epidermis (above the skin)
b. Dermis
c. Hypodermis (below the skin)
d. Dermal Papilla(e)
e. Tactile (Meissner’s) Corpuscles (light touch)
f. Nerve Fiber
g. Sebaceous Gland
h. Arrector Pili
i. Sudoriferous Duct
j. Sudoriferous Gland
k. Pacinian Corpuscle (strong pressure)
l. Hair Follicle
m. Dermal Artery
n. Dermal Vein
o. Hair Root
p. Hair Shaft
q. Free Nerve Endings
r. Adipose
LOOK AT DIAGRAM IN NOTE PACKET UNIT 3
Know the name and function of the epidermis cells.
MY MOTHER LEFT KANSAS
a. Merkel Cells: Helps us detect the sense of touch
b. Melanocytes: A protein which protects us from UV rays from the sun
c. Langerhans Cells: They eat pathogens, they present the foreign antigens to other WBCs known as Helper T Cells to continue the defense
d. Keratinocytes: protect us from bacteria and water loss and produce keratin, a waterproofing protein
Know what is found in the dermis.
7 ANSWERS
a. Made of connective tissue
b. Blood vessels
c. Lymph vessels
d. Hair follicles
e. Nerves
f. Nerve endings
g. Receptors
Know these skin conditions:
a. Albinism
b. Erythema
c. Jaundice
d. Cyanosis
e. Pallor
a. Lack of melanin
b. Heat, embarrassed; enlarged diameter of dermal blood vessels
c. Liver disease
d. No/low oxygen
e. Passing out; constricted diameter of dermal blood vessels
Know the function of hair.
6 ANSWERS
a. Warmth
b. Detects insects (wiggles your hair)
c. Protects from UV
d. Protects eyes from debris
e. Filters air (nose hairs)
f. Protect against physical trauma (hits hair and slides off)
Know the function of the two types of sudoriferous glands:
a. Eccrine
b. Apocrine
a. Normal sweat released by merocrine secretion
b. “Funky” sweat released by apocrine secretion
Know the function of sebaceous glands.
4 ANSWERS
a. Produce sebum (oil)
b. Secrete sebum into hair follicles which prevents hair from being brittle and prevent water loss
c. Kills bacteria
d. Increase activity level at puberty
