Histology (Ch 17) Flashcards
Cells
grouped into tissues
Tissues
combine to form organs
what are organs
organized into organ systems
what is organ system
make up an organism
examples of multicellular
Cell, tissue, organ, organ system, tissue
Atoms, molecules. Organelles
4 types of tissue
epithelial, muscle, nervous, connective
group of cells that has similar structure and function
tissues
what does epithelial do
Forms coverings and linings in a human body; Protective barrier from infections & fluid loss
what does Stratified squamous epithelium lines
mouth
3 types of epithelial shapes
squamous, cuboidal. columnar
describe squamous
Flat, scale-like cells (fried egg appearance)
describe columnar
appear rectangular (nucleus is at base of cell)
describe cuboidal
look square (nucleus is in center of cell)
function of connective tissue
Provides support + connects many parts of body;
types of connective tissue
Fibrous
Adipose (fatty)
Blood
Bone
Cartilage
muscle tissue function
movement
3 types of muscle in body
skeletal, cardiac, smooth
function of nervous tissue
transfer / transmit electrical impulses throughout body
nervous tissue location
brain, spinal cord, nerves
what is neuron
structural unit of n.s. that turns electrical impulse to stimulus
organs function
2 or more tissues packaged into one working unit that performs a specific function
5 examples of organ
heart, brain, small intestine, liver, skin
4 tissue types of stomach
mucosa, submucosa, muscularis, serosa
mucosa
epithelial layer that lines lumen [1st inner layer]
