Integument
- Name 6 Functions of skin
- Skin is composed of what 2 tissues?
- What is the hypodermis? Functions?
- what are the characteristics of thin skin and thick skin?
- What is the thickness of skin?
- What is the benefit of having irregular connective tissue in the dermis?
- Why does the spinosum layer appear spiny?
- What is significant about desmosomes? In what layers are they found?
- What are the layers of the epidermis?
- What 3 cell types are found in the Stratum Basale? what is their function?
- Where are Langerhans Cells found? what is their function? characteristics?
- Describe the stratum granulosum layer
- Why do keratinocytes release lipids?
- How do lipids affect cell membranes?
- Describe the maturation of keratinocytes. How is maturity determined?
- How many days does it take for a cell to mature?
- What disease can occur if the rate of mitosis increases?
- Describe the cells in the Stratum Lucidum
- describe Pemphigus
- what are melanosomes? melanin?
- How do melanocytes transfer melanin?
- If people have about the same # of melanocytes, what determines skin color?
- What is the effect of UV on melanogenesis?
- describe the 6 sensory receptors of the skin? where are they located?
- describe the dermis. thickness, compositon, vascularity and layers.
- describe the following abnormal skin conditions: cyonosis, erythema, jaundice, addisons disease, albanism, vitiligo, hematoma, hemangiomas, freckles/moles
- what are friction ridges and flexion creases?
- what are the 2 polymers that cause skin pigmentation?
- what is significant about cleavage lines?
- Hair and nails are toughened by what type of interaction?
- list the 3 different hair types
- list functions of body hair
- what is the hair shaft composed of? name the 3 layers
- How are nutrients provided to the hair bulb?
- describe the structure of a hair follicle
- which gland is more likely to get infected, sebaceous or apocrine? why?
- what happens to the medulla as the hair grows?
- Blonde hair is composed of what pigments?Black and dark brown hair? red hair? grey hair?
- Why does black hair tend to be stronger than blonde?
- Why is it important that the hair growth cycle is asynchronous?
- What are the 3 stages of the hair growth cycle and what is there time frame?
- what is the average growth rate of nails?
- Identify and describe the parts of the nail
- distinguish between merocrine and apocrine glands
- where are Ceruminous glands found?
- What are the 3 skin cancers discussed?
- Describe the degrees of burns
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