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Anatomy
Cells and Tissue
33
Anatomy
Not Applicable
10/02/2011

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Term
PLASMA MEMBRANE
Definition
Phospholipd bilayer studded with proteins.
Serves as the boundary of the cell. Identifies cells as receptor
Term
RIBOSOMES
Definition
Tiny particles each made up of rRNA.
Synthesize proteins - a cells "Protein Factory"
Term
ENDOPLASMIC RETICULUM "ER"
Definition
Network of interconnected canals and sacs some attached (rough ER) and some without.
Packages substances from teh ER - Cells "Powerhouse"
Term
GOLGI APPARATUS (BODY)
Definition
Stack of flattened membranous sacs.
Packages substances from the ER
Term
MITOCHONDRIA
Definition
Encrusted with enzymes.
A Cells' "Powerhouse"
Term
LYSOSOMES
Definition
"Bubble" of enzymes encased by membrane
A cells "digestive system"
Term
CENTROILES
Definition
Made up of tiny tubules
Function in cell reporduction.
Term
CELIA
Definition
Hairlike extensions on surface of some cells
Move substances over the surface of the cell
Term
FLAGELLA
Definition
Single and much longer projection of some cells
"Tail" of a sperm cell - propelling the sperm thought fluids
Term
NUCLEUS
Definition
Double membrane containing DNA
Dictates protein synthesis essential role in other cells activites, transport, metabolism, growth and heredity
Term
NUCLEOLI
Definition
Dense region of the nucleus
Essential role in the formation of ribosomes
Term
MITOSIS
Definition
reproduction of cell
Term
DNA "cookbook"
Definition
deoxyribonucleic acid
Term
RNA
Definition
Ribonucleic acid
Term
mRNA
Definition
messenger Ribonucleic Acid
After it separates from DNA it becomes mRNA
Term
PHOSPHASE
Definition
The chromatin condenses into visible chromosones
Chromatids become attached at the centromere
Spindle fibers appear
The nucleolus and nuclear envelope disappear
Term
METAPHASE
Definition
Spindle fibers attach to each chromatid
Chromosomes align across the center of the cell
Term
ANAPHASE
Definition
Centromeres break apart
Chromosomes move away from the center of the cell
The cleavage furrow appears
Term
TELOPHASE
Definition
The nuclear enveolpe and both nuclei appear
The cytoplasm and organelles divide equally
The process of cell division is completed
Term
$ Main Kinds of Tissue
Definition
1. Epitheliah
2. Connecive Tissues
3. Muscle Tissue
4. Nervous Tissue
Term
SQUAMOUS
Definition
fLAT AND SCALELIKE
Term
CUBOIDAL
Definition
Cube shaped
Term
COLUMNAR
Definition
Higher than they are wide (like a skyscraper)
Term
TRASITIONAL
Definition
Varying shapes that can stretch
Term
RIBOSOME
Definition
"Protein factory"
Term
ENDOPLASMIC RETICULUM
Definition
Tubelike passages carry substances through the cytoplasm
Term
GOLGI APPARATUS (BODY)
Definition
Packages substances from the "ER" (endoplasmic reticulum)
Term
MITOCHONDRIA
Definition
"Powerhouse" of the cell
Term
LYSOSOMES
Definition
Bags digestive enzymes
Term
FLAGELLA
Definition
"Propels spearm cells" (swims through fluids)
Term
CILIA
Definition
Hairlike structures on surfface of cells
Term
NUCLEUS
Definition
Directs protein synthesis
"Brain of the cell"
Term
NUCLEOLI
Definition
Small structure in the nucleus
"Helps for ribosomes"
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