Tissues
Gangrene
wet: infection/ bacteria, nerve damage
dry: diabetes makes blood vessels constrict, and blood less watery
S: substances used for elsewhere in the body
E: wastes for elimination from the body
Name the difference in a Keratinocyte and a Melanocyte
K: make keratin, a tough aspect of skin
M:produce melanin
Brown:"U"
yellow:"pheo"
What is the word for the abnormal skin color of blue? What is it a result of?
Cyanosis
loss of oxygen
What are the 3 phases of the hair cycle
Anagen, Catagen, Telogen
What is the adult stem cell type that can develop into 2 or more mature cell types. For example, bone marrow.
multipotent
Which type of glands have ducts and secrete into epithelio tissues? List an example.
Exocrine
mammary, saliva, sweat
Name the epidural layers in order from deep to superficial
1 Stratum basale
2 stratum spinosum
3 stratum granulosum
4 stratum lucidum
5 stratum corneum
What causes the skin to have a pinkish tint?
Hemoglobin
Hypertrichiosis
What is the change in tissue types where tissue grows by cell enlargement
hypertrophy
Which type of gland secretes hormones
endocrine
The dermis has 2 layers, what are they? AND what are their functions?
papillary layer: dermal papillary/areolar like fingerprints
reticular layer: no diversity, mostly collegan
What is the condition where one is unable to produce any melanin?
Albinism
What is the difference in a apocrine gland and a sebaceous gland?
Sebaceous: oil gland, found in hair follicle
Apocrine & meocrine: sweat glands found in the skin
name examples of where both serous and mucous membranes can be?
Serous: on organ surfaces, and endothelium
Mucous: inner lining of digestive, respiratory, urinary, and reproductive tracts.
How does a meocrine gland secrete
exocytosis
Another word for the skin would be ...
cutaneous membrane
What is the bodily condition that causes the yellowing of the skin, eyes, and fingernails as a result of excess bilirubin in the bloodstream?
what glands are associated with pubic hair?
apocrine sweat glands, associated with scent
Name the 3 Cell junctions and their surface
1) Tight Junction: not too strong, allows no water
2) Desmosomes: VERY strong, forms like buttons to connect cells
3) Gap Junction: bypass any unnecessary steps of cell communication, like a tunnel.
Which 2 aspects of skin keep calcium and are responsible for pigment absorption?
melanin vitamin D
What is a hematoma?
big bruise, from veins breaking in the skin layers
What layer of the hair does cell division occur
hair matrix