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Cells & Transport
Terms
25
Anatomy
Undergraduate 2
12/01/2010

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Term
Osmosis
Definition
Diffusion of water across a semipermeable membrane
Term
Lipid
Definition
A fatty substance
Term
Apoptosis
Definition
Programmed cell death
Term
Necrosis
Definition
Death of cells
Term
Phagocytosis
Definition
Cell engulfing solid material
Term
Mitochondria
Definition
The organelle in which ATP is produced
Term
Hypertonic
Definition
Greater calt concentration outside the cell
Term
Nucleolus
Definition
Organelle present in the nucleus. composed mainly of DNA, is the site of ribosome synthesis
Term
Tubulin
Definition
The protein from which microtubules and centrioles are made
Term
Solvent
Definition
Liquid that dissolves a substance
Term
Dialysis
Definition
Separation of larger particles from smaller particles
Term
Cell Membrane
Definition
Phospholipid bilayer
Term
Intermediate Filaments
Definition
One of three major components of the cytoskeleton, composed of five classes of protein expressed in a tissue specific manner
Term
Solute
Definition
Substance to be dissolved
Term
Equilibruim
Definition
A dynamic balance
Term
Microfilaments
Definition
The smalles diameter component of the three parts of the cytoskeleton
Term
Homeostasis
Definition
Consistency and uniformity of an environment
Term
Isotonic
Definition
Equal salt concentration
Term
Hypotonic
Definition
Lesser salt concentration outside the cell
Term
Microtubule
Definition
The largest diameter component of the three parts of the cytoskeleton
Term
Glycocalyx
Definition
Carbohydrate outer covering of a cell
Term
Diffusion
Definition
Movement of particles from greater to lesser concentration
Term
Dehydration
Definition
Excessive water loss
Term
Lysosome
Definition
An organelle composed of a phospholipid vesicle containing acids and hydrolytic enzymes
Term
Crenation
Definition
Shrinkage of a cell
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