integumentary system Flashcards
Benign
tumors don’t metastasize or spread
dermal papillae
forms fingerprints in utero at 10 weeks
keratinocyte
keratin cell, providing strength
malignant
tumors that metastasize and spread
melanocyte
melanin cell, providing pigmentation
pericardium
lines the heart
peritoneum
lines abdominal cavity and covers organs
pleura
lines lungs
3 types of epithelial membranes
cutaneous (skin)
mucous (mucosa)
serous (serosa)
dry membrane containing stratified squamous and dense connective tissue
cutaneous
membrane that lines cavities closed to the outside world and contains parietal and visceral layers to make up the pericardium
serous membrane
membrane that has no epithelial tissue and lines the joints
synovial
membrane that contains various epithelial tissues, lamina propria and lines cavities opened to outside world
mucous
what tissues make the three main skin layers
epidermis-stratified
dermis-dense
hypodermis-adipose
what are the functions of the integumentary system
protects, insulates, cushions, synthesizes vitamin D