Hair
Where does hair production begin?
Hair follicle.
What are nails made out of?
Dead skin cells packed with keratin.
What are the layers of the skin, from superficial to deep?
Epidermis, Dermis (Papillary Layer, Reticular Layer,)Hypodermis.
What is the gland called that produces oils?
Sebaceous gland.
What are the cells that produce melanin called?
Melanocytes.
what is the upper part of the hair called?
Hair shaft
What is the skin under the proximal edge of the nail called?
eponychium.
What layer of the epidermis does thick skin have that thin skin doesn't?
Lucidium.
How do Holocrine glands release their product?
The cells burst
What cells are found in hairless skin and respond to touch?
Merkel Cells.
Name the three layers of the hair shaft.
Medulla, Cortex, Cuticle.
What is the pale crescent at the base of the nail called?
Lunula.
What are the cells of the skin that respond to touch?
Merkle
What are the glands that produce sweat called?
Sudoriferous glands
What are the cells that produce keratin called?
keritinocytes.
What does the hair bulb produce?
Hair matrix.
Where does nail production begin?
The nail root.
What cells help protect you, acting as macrophages to defend your skin against invaders?
Langerhans 'cells.
These glands are modified sweat glands, found in the lining of the external ear canal.
Ceruminous glands
Skin color depends on what?
How much melanin Melanocytes make.
What is produced by melanocytes at the hair papilla?
Hair color.
What is the bone of the fingertip called?
Phalanx.
what is the subcutaneous tissue known as, that is made up of loose connective tissue, which varies from areolar to adipose.
Hypodermis
When a sebaceous gland becomes blocked by accumulated sebum it forms a ___________________. But, if the sebum oxidizes and dries, it becomes a _________________
whitehead, blackhead
Vitamin D.