A&P - Chapter 10 (Part 4) Flashcards
Receptors
Are specialized nerve endings that make it possible for skin to act as a sense organ
What do receptors do?
They relay messages to the brain of touch, pain, temperature and pressure
What do krause end bulbs allow you to feel?
Low frequency vibrations
- fine touch
What do free nerve endings allow you to feel?
Pain
What are 2 types of skin glands?
- Sudoriferous glands
- sweat - Sebaceous glands
- oil
What are 2 types of sudoriferous glands?
- Eccrine
2. Appocrine
Eccrine
Is the most numerous, important and widespread sweat gland
What does eccrine produce?
Sweat
How is sweat eliminated?
Through pores
What eccrine glands assist with?
Body heat regulation
When do eccrine start working?
Through your whole life
Where do you find apocrine glands? (2)
- Armpit
2. Genitalia
What is the odor of apocrine glands caused by?
The breakdown of bacteria
What does the apocrine gland include?
The ceruminous gland
- ear wax
Where do you find sebaceous glands?
Where ever hair grows
What does sebaceous glands do?
They secrete oil for hair and skin
When does the level of secretion of sebaceous glands increase?
During adolescence
When do apocrine cells occur?
Onset at puberty
How is the amount of secretion by sebaceous glands regulated?
By sex hormones
What forms blackheads?
Sebum in sebaceous gland ducts that darken
What decreases with age, with sebaceous glands?
Secretion
Ceruminous gland
Specialized sweat cell
Where is the ceruminous gland located?
In the ear
What does the ceruminous gland make?
Ear wax
- by mixing their secretions with sebum
What does ear wax do?
Protects the skin of the ear canal from dehydration
What can ear wax do?
Build up and may cause blockages
Where is vitamin D produced?
In the superficial layer of the skin
Where is sexual hormones produced?
Deeper in the body
- under the skin
