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Chapter 5 quiz
NA
32
Anatomy
Undergraduate 1
03/03/2013

Additional Anatomy Flashcards

 


 

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Term

Stratum Basale

 

Definition
  • base layer
  • cells divide
Term
Stratum spinosum
Definition
  • desmosomes form (strength)
  • some division
Term
Stratum granulosum
Definition
  • Cells fill with karatin 
Term
Stratum Lucidum
Definition
  • clear layer
  • thin layer
  • cells are dying (lose nucleus) (apoptosis)
Term
Stratum Corneum
Definition
  • Dead cells
Term
Dendritic
Definition
  • part of the immune system
  • have branches that grab bacteria
Term
Melanocytes
Definition
  • make melanin which blocks/absorbs UV light
  • melanoma= cancer of the melanocytes= deadly
Term
Vitamin D
Definition
  • calcium uptake in diet
  • exposure to the sun= ^ in calcium
Term
Three layers of skin
Definition
  1. epidermis
  2. dermis
  3. hypodermis
Term
Epidermis
Definition
Epithelia
Term
Dermis
Definition
  • connective tissue proper
  • contains fibroblasts, white blood cells, other structures
  • has 2 layers
Term
Arrector pili muscle
Definition
makes hair stand
Term
Sebaceous Glands
Definition
secrete oil that keeps the skin soft, and keeps the skin from cracking
Term
Apocrine glands
Definition
secrete mucus in the axilla and genitals
Term
Eccrine glands
Definition
secrete water (sweat)
Term
2 dermal layers
Definition
  1. Papillary- papilla (bumps)= more absorption of nutrients, loose CTP
  2. Reticular- dense CTP
Term
Hypodermis
Definition

adipose tissue

insulating

protective

Term
Hair growth
Definition
resembles skin growth (cells divide, form desmosomes, fill with keratin, die)
Term
1st priority
Definition
protect skin from infection
Term
Mucous membranes
Definition
  • Found in the throat, vagina, mouth, nose
  • keep out infection, allows passage of substances, funciton depends on location
  • cilia is also found with mucus
Term
Throat mucous membrane
Definition
  • digestion and lubrication in the form of saliva
Term
Vagina mucous membrane
Definition
  • stratified squamous
  • lubrication, normal flora (protective bacteria)
Term
Mouth mucous membrane
Definition
  • digestion and lubrication in the form of saliva
Term
Nose mucous membrane
Definition
  • traps pathogens
Term
Old people- keratinocytes
Definition

skin gets thinner

can damage easier

Term
Old people- dendritic
Definition
infection
Term
old people- melanocytes
Definition
more succeptable to burn
Term
Old people- fibroblasts
Definition
skin becomes weaker
Term
Old people- white blood cells
Definition
Can't fight against infection as well
Term
Old people- sweat glands
Definition

they get cold easier

temp control

Term
old people- sebaceous glands
Definition
they have dry skin= crack and break easy
Term
old people- adipose
Definition
not as insulated, less cushion=weaker, temp. regulation
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