A&P Chapter 5
Card Set Information
A&P Chapter 5
Waterproofing protien of the skin
Hair is keratin that has weathered & long blown
-Top most laer of Epidermis.
-All cells are dead bags full of the protein in keratin
-Only found on the palm/sole
-Where there is loose skin
-Where the cells begin to deposit craniuls of keratin in cytoplasm.
-Cells are beginning to eject the water inside as well as the organelles are leaving.
-Cell becoming "spiny like"
Highly Mitotic, never stop dividing, always in mitosis, have cubed shape.
-Malanocytes live in this layer
All accessory organs of the skin is in the _______?
Hair Follicle, Arrector Pili Muscle, Hair shaft, Sudoriferous Glands, Blood vessel, Sebaceous Glands, Hair root, Free Nerve endings, Hair papillae. <-- These are found in ______?
-Traps anything that gets in the ears
5 Cutaneous Senses
Pigment produced by melocytes
2 types of melanin
-Abundant on AfricanAm Pop & Southeast Asians
-Abundant in Caucasian/ White/ Europe
3 Factors that controls skin tones
Orange/ Yellow Pigments in Asian Population
-Protein that can subtly change the skin tone to a reddish/Flushed apperance
-Due to abnormal bone matrix formation
2 Causes of richets?
1. ^ use of sunscreen in children < 1yrs
2. ^ use of breast feeding, however breast milk has "0" vitamin D
Indicator of skin cancer
Muscle attaced to the hair follicle is known as the ____ ____ muscle
Body's first line of defense is formed by the _______ ?
Name given to glands found in the ear canal