Skin & Body Membranes Flashcards
Cancer: Benign
Doesn’t spread
Cancer: Malignant
Moves to other parts of the body
Skin Cancer: Basal cell carcinoma
Cells of the lowest level of epidermis invade the dermis & hypodermis
Slow to metastasize
Skin Cancer: Squamos Cell carcinoma
Epithelial cell not in contact w the basement membrane
Cancer Cells: malignant melanoma
Rare but often deadly
What does A stand for?
Asymmetry -mole doesn’t match
What does B stand for?
Border irregularity- aren’t smooth
What does E stand for?
Evolution - appearance doesn’t change
Melanin
Most responsible for the skin color of dark skinned people, provides a natural sunscreen, in the stratum basale
Hemoglobin
Most responsible for skin color found with in red blood cells in blood vessels
Carotene
Provides an orange cast to skin found in stratum Corneum
Sebaceous gland
Produces oil, lubricant for skin and kills bacteria prevents brittle hair
Mucous
Epithelial tissue
In mouth & digestive track
Underlying loose connective tissue
Lines all body cavities open to exterior surface
Serous
Epithelial
Abdominal cavity lungs and heart
Closed to exterior surface
Occur in pairs separated by serous fluid
Cutaneous
Epithelial
Skin
Composed of keratinized epithelium underlying dermis
