Chapter 5: Part 4
Card Set Information
Chapter 5: Part 4
What is another term for the hair follicle receptor?
root hair plexus
Hair follicle receptor is the _________ ______ ________ around each hair bulb.
sensory nerve endings
How is the hair follicle receptor stimulated?
bending of hair
The smooth muscle attached to the follicle is the __________ _______ muscle.
Arrector pilli muscle is responsible for
Two types of hair are __________ & __________.
What is pale, fine body hair of children and adult females?
Coarse, long hair of eyebrows, scalp, axillary, and pubic regions (face and neck of males) is ____________.
____________ is hair thinning in both sexes after age 40.
True (frank) baldness is ___________ determined & ________ influenced condition.
Male pattern baldness is caused by follicular response to _______.
Scalelike modification of the epidermis on the distal, dorsal surface of fingers and toes is the ________.
Low pH secretions and defensions ________ bacterial activity.
Low ph secretions is _______ _________.
___________ & ___________ block most water and water soluble substances.
keratin & glycolipids
Physical barriers allow limited penetration of skin by:
lipid soluble substances
salts of heavy metals
Biological barriers are important because of what?
______ ml/day of routine perspiration is important.
What cools the body at elevated body temperature?
dilation of dermal vessels & increased sweat gland activity
Cutaneous sensations are importan for __________, _________, and _________.
Metabolic functions of the Integumentary system is synthesis of _________ __ _________ & __________.
Vitamin D precurser & collagenase
Chemical conversion of _________ & some _____________ is another metabolic importance.
carcinogens and hormones
Blood reservoir contains up to ____% of body's blood volume.
What are some excretions of the skin?
salt in sweat
Most skin cancers are _________.
What does benign mean?
do not metastasize
What are risk factors of skin cancers?
over exposure to UV radiation
frequent irritation of the skin
Some skin lotions contain ______ in _________ that can fix damaged DNA.
What are 3 major types of skin cancer?
Basal cell carcinoma
Squamous cell carcinoma
___________ is least malignant, most common skin cancer.
Basal Cell Carcinoma
______________ is second most common skin cancer.
Squamous Cell Carcinoma
Most dangerous skin cancer is ___________.
What do stratum basale cells do?
Basale cells slowly invade the ___________ & _______________.
dermis & hypodermis
Basal cell carcinoma is cured by ____________ ____________ in 99% of cases.