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26 Cards in this Set

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Define Histology
the science dealing with the microscopic identification of cells and tissue.
Name the four types of tissue
1. Epithelial
2. Connective
3. Nervous
4. Muscle
Characteristics of Epithelial tissue
Closely packed flat cells
Avascular
Exposed to outside (body surface)
Cell division occurs readily
has nerve supply
Two types of epithelial tissue
Covering and lining epithelium
Glandular epithelium
Epithelial cell shape
Squamous
Cuboidal
Columnar
Transitional
Describe squamous and give example
Flat, nucleus located near the upper surface, gives these cells the appearance of a fried egg.
Ex. Skin
Decribe Cuboidal
Are cube or hexagon shaped with a central, circular nucleus.
Ex. digestion
Describe Columnar
Are tall with an oval nucleus near the basement membrane. May have microvilli, or cilia.
Ex.respiratory tract
Describe Transitional
Range from flat to tall that can extend or compress in response to body movement. Ex. Bladder
Give the names of the cell layers (generic)
1. Simple (single)
2. Stratified (multiple)
3. Pseudostatified describes single layer cells of different sizes. (appearance of multilayered)
Name the two types of glandular epithelium
1. Endocrine
2. Exocrine
Endocrine secrete _________ directly into the ___________
hormones & bloodstream
Exocrine secrete their substance into _____or ________ which carry secretions to the _____________ surface.
tube, ducts, epithelial
Give examples of exocrine secretions:
Sweat
Saliva
Milk
Stomach acid
Digestive enzymes
Give exocrine classification according to structure
Unicellular/multicellular
Branched
Simple/compound
Tubular
Give exocrine classification according to function
Merocrine
Apocrine
Holocrine
Give general characteristics of Connective Tissue
Has nerve supply (as does ep tissue)
Blood suppley (ep is avascular)
Stucture
Name types of loose CT
Areolar
adipose
reticular
Name types of dense CT
Dense regular
Dense irregular
Name types of Cartilage (CT)
Hyaline (gristle)
fibrocartliage
elastic
Name types of bone (CT)
Compact
Spongy
Name type of blood & lymph (CT)
RBC
WBC
thrombocytes
Name the types of Nervous Tissue
Neurons
Neuroglia or glial cells
Name the 3 types of muscle tissue
Skeletal
Cardiac
Smooth
___________are type of eithelial specialization that greatly increases surface area to enhance absorption
Microvillia
Blood is a type of connective tissue. TRUE OR FALSE
True