Tissues Flashcards
1
Q
What is an infundibulum?
A
The portion above the point where the sebaceous gland enters
2
Q
How do melanocytes release melanin?
A
Melanocytes release melanin in melanosomes.
They form granules and travel to keratinocytes
The granules cover the nucleus of the keratinocytes and protect the dna
3
Q
What does the outer cuticle of hair contain?
A
Lots of keratinocytes and an inner medulla
4
Q
What is found in the hair bulb?
A
Germination cells and melanocytes
5
Q
What is the embryology of the hair?
A
Epidermis = hair shaft
Dermis =papilloma and blood vessels
6
Q
What are the 3 payees of hair growth?
A
Anagen = growing phase Catagen = resting phase Telogen = fall out phase
7
Q
Where do nails grown from?
A
The nail matrix
8
Q
What makes the nails looks pink?
A
The dermal capillaries
9
Q
What is the hyponychium?
A
Thick epidermis that is under the nail plate= in the outside
