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infection vocab wk2

vocab week 2 infection control

cell a small mass of protoplasm bound by a semi-permable membrane. usually include 1+ nuclei and various nonliving products, capable of performing all the fundamental functions of life; the least stuctural unit of living matter capable of functioning independe
cell membrane surface layer of the cytoplasm of a cell
chromosomes double strand of specifically paired proteins that contain the genetic code of a cell
cytology study of the structure, function, multiplication, and pathology of the cell
diffusion molecular passage of oxygen across the aveoli and into the bloodstream
electrolytes substances such as acids, bases, and salts which in solution conduct an elctric current
homeostasis a relativley stable state of equilibrium
nucleus the central structure of a cell enclosed in a membrane which is essential to cellular functions such as reproduction and protein synthesis
phagocytosis a defensive mechanism in which a cell engulfs a substance or another cell
protoplasm living matter in all cells; organized complex of organic and inorganic substances which are too small for resolution with an ordinary light microscope
semi-permeable membrane a membrane that allows some molecules to pass through but not others
tissue group of similar cells arranged with intercellular substance between them specialized to perform a particular function
vacuole a small cavity or space in cell protoplasm containing air or fluid
osmosis movement of liquid through semi-permeable membrane according to the differences in the concentration of substances in the liquid
pinocytosis cell takes in water and small particles by surrounding them with a membrane-covered blister or vesicle.
connective tissue Tissue that supports and binds other tissues
filtration A process of separating particulate matter from a fluid, such as air or a liquid, by passing the fluid carrier through a medium that will not pass the particulates.
epithelial tissue acts as a rotective barrier from heat, cold, water loss, and bacterial invasion; aids in secretion and excretion
nerve tissue conducts impulses throughout the body
muscle tissue moves body by contraction/relaxation of pairs.
Created by: a1h12