skinn shiii
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
|
|
||||
|---|---|---|---|---|---|
| What are the accessory structures of the skin? | hair, skin glands, and nails
🗑
|
||||
| what type of cells is hair? | dead keratonyte cells, stratified squamous
🗑
|
||||
| Where on the body are their no hair? | palms, lips, soles of feet
🗑
|
||||
| What is the scientific name for hair? | pili
🗑
|
||||
| In what parts are their excessive hair? | scalp, arm pits, eyebrows
🗑
|
||||
| What causes thickness and distribution of hair among body? | hormones
🗑
|
||||
| What is the visible portion if the hair which pertrudes out of the skin? | shaft
🗑
|
||||
| What is deep to the shaft and penetrates into dermis? | root
🗑
|
||||
| What are the layers of the hair? | medula, cortex, cuticle, epithelial root sheath
🗑
|
||||
| What is composed of interior and exterior root sheath? | epithelial root sheath
🗑
|
||||
| What covers the hair follicle? | derma root sheath
🗑
|
||||
| What is the bulgy part of the hair follicle? | bulb
🗑
|
||||
| what type of cells does the bulb consist of? | germanal cells
🗑
|
||||
| What do the cells undergo? | cell division
🗑
|
||||
| Where do the germanal cells reside? | matrix region
🗑
|
||||
| What type of glands are attached to each follicle? | sabaceous glands
🗑
|
||||
| What type of muscle is the arrector pili muscle? | smooth muscle
🗑
|
||||
| How are goosebumps formed? | when the arrector pili muscle contracts
🗑
|
||||
| How long is the hair growth stage? | 2-6 years
🗑
|
||||
| What is the resting stage? | hair growth stops
🗑
|
||||
| What is the partial or complete hair loss? | alopecia
🗑
|
||||
| What causes alopecia? | hormones, age, skin disease, kemotherapy
🗑
|
||||
| What makes up hair color? | amount and type of melanin
🗑
|
||||
| What amount of melanin does white hair have? | no melanin
🗑
|
||||
| What amount of melanin does grey hair have? | a lack of melanin
🗑
|
||||
| What type of hair is fine and nonpigmented? | lanugo hair
🗑
|
||||
| During what period do you have lanugo hair? | 9-12 weeks after fertilization
🗑
|
||||
| What does lanugo hair cover? | fetus body
🗑
|
||||
| When does it shed? | before birth
🗑
|
||||
| What type of hair replaces lanugo hair? | vellus hair
🗑
|
||||
| What is the thicker courser hair? | terminal hair
🗑
|
||||
| What masculizing sex hormone causes it? | androgen
🗑
|
||||
| Where is androgen secreted? | testes, ovaries, adrenal glands
🗑
|
||||
| What type of hair are males composed of? | 95% terminal, 5% vellus
🗑
|
||||
| What type of hair are females composed of? | 35% terminal, 65% vellus
🗑
|
||||
| What is hersutsium? | excessive hair growth
🗑
|
||||
| What causes male-patter baldness? | androgens that may inhibit hair growth
🗑
|
||||
| What are the diffierent glands? | sabaceous, sudoriferous, ceruminous-cerumen
🗑
|
||||
| What do sabaceous glands excrete? | sebum
🗑
|
||||
| what is sebum? | oily substance that lubricate hair, prevents from dryness, and is rich in lipids
🗑
|
||||
| Where are sabaceous glands located? | dermis
🗑
|
||||
| What skin problem is the inflamation of sabaceous glands? | acne
🗑
|
||||
| What are the two different types of sweat glands? | eccrine and apocrine
🗑
|
||||
| what causes sweat from eccrine? | elevated body temp
🗑
|
||||
| what causes sweat from apocrine? | emotional stress, sexual excitement
🗑
|
||||
| What is ceruminous? | modified sweat gland
🗑
|
||||
| what is cerumen? | waxy substance
🗑
|
||||
| Where is cerumen excreted? | ear canal
🗑
|
||||
| What are nails made up of? | hard, dead, keratonized, epidermal cells
🗑
|
||||
| What jobs do nails have? | protection, grasp small objects, scratching, protction against trauma
🗑
|
||||
| What is the lanula made of? | densly packed with cells
🗑
|
||||
| What is the cuticle composed of? | narrow band of epidermal cells
🗑
|
||||
| What secures the nail to the finger? | hyponychium
🗑
|
||||
| What factors contribute to nail growth? | season, time, and weather
🗑
|
||||
| How does body react to excessive heat? | dilation of dermal blood vessels and sweating
🗑
|
||||
| How does body respond to excessive cooling? | constricting dermal blood vessels, inactivating sweat glands, and shivering
🗑
|
||||
| What active cells produce heat? | heart and skeletal cells
🗑
|
||||
| What controls the skins role in temperature | hypothalamus
🗑
|
||||
| blood vessels dilate and become more permeable, causing tissues to become red and swollen | inflammation
🗑
|
||||
| What are superficial cuts filled with? | reproducing epithelial cells
🗑
|
||||
| How are deeper cuts filled? | closed off by clots, covered by scabs, and eventually filled in by fibroblasts, making connective tissue
🗑
|
||||
| How are epidermal wonds healed? | Repaired by enlargement and migration of basal cells, contact inhibition (cellular response), and division of migrating and stationary basal cells
🗑
|
||||
| What are the four phases of deep wound healing? | inflammatory phase, migratory phase, a proliferative phase , and maturation phase
🗑
|
Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Created by:
pinkiigirlii
Popular Science sets