why is epithelial tissue considered avascular?
it has no blood vessels
this type of muscle tissue can be controlled voluntarily and has obvious striations
skeletal
type of loose connective tissue that is commonly referred to as fat
adipose
what does skin make when its exposed to the sun
vitamin D
term for study of tissues
histology
this determines the first name given to epithelial tissues
what is the number of layers
this type of muscle tissue is nonstriated
smooth
this connective tissue is unique in that it is a fluid
blood
what is another name for sweat gland
sudoriferous gland
2 cells that make up nervous tissue
neurons and neuroglia
this determines the second name given to epithelial tissues
what is cell shape
this type of muscle tissue is multinucleate
what is skeletal
tendons and ligaments are this kind of connective tissue
dense connective tissue
which layers of the skin are vascular?
dermis and hypodermis (subcutaneous)
what layer of the epidermis contains cells that divide frequently
another name for the free surface or edge of epithelial tissue?
apical surface
this type of muscle is found in the walls of hollow organs (stomach, uterus, blood vessels)
smooth
nonliving substance found outside of the cells (includes ground substance and fibers)
extracellular matrix
What are the 3 types of barriers the skin provides
physical, chemical, and biological
what fibrous protein gives the epidermis its protective properties
keratin
functions of epithelial tissue? (there are 4!)
absorption, filtration, secretion, protection
these types of muscle tissue are controlled involuntarily
functions of connective tissue (there are 4!)
protection, support/binding, insulation, transportation
what are the 5 functions of the skin?
protection, excretion of waste, synthesize vitamin D, thermoregulation, and cutaneous sensation
cell that makes pigment for skin
melanocytes