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Define Tissue
A group of similar cells that usually have a common embryonic origin and function to carry out specialized activities
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What are the four types of tissue?
- 1. Epithelial Tissue
- 2. Connective Tissue
- 3.Muscle Tissue
- 4. Nervous Tissue
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What are the two functions of Epithelial Tissue
- 1. Covers body surfaces
- a) organs, cavities and ducts
2. Forms glands
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What are the 3 functions of Connective Tissue
1. Protects, supports and holds body together
2. Stores energy and minerals
3. Immunity
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What is the function of muscle tissue and what are the 3 types
1. It facilitates physical movement
- 2. 3 types
- 1. Skeletal Muscle
- 2. Cardiac Muscle
- 3. Smooth Muscle
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What are the 3 functions of nervous tissue
- 1. Detects, monitors and responds to stimuli
- 2. Produces action potential
- 3. Creates responsivess
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What are the characteristics of epithelial tissue?
- A. Closely packed cells held tightly together
- 1. tight junctions between cells
- 2. little extracellular "stuff"
- B. Arranged in sheets
- 1 Can be
- a. single layer
- b. multiple layers
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What are the organizations of epithelial tissue
- A. two characteristics
- 1. cell shapes (3 shapes)
- a. flat-squamos
- b. cube shaped-cuboidal
- c. column like-columnar
- d. transitional -can change shape
- 2. layers of cells (3 basic systems)
- a. single layer-simple
- b. multi-layered-stratified
- c. looks multi-layered but its not- peudostratified
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Name the two characteristics of connective tissue
A. Most abundant tissue in the body
- B. Consists of two elements
- 1. Cells
- a. few of them
- b. several kinds
- 2. Matrix
- a. makes up mos of tissue
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What is the definition of Fontanel?
Space between skull bones at birth, filled with connective tissue
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What is a foramen?
An opening though which blood vessels, nerves or ligaments pass through
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What is a fossa?
A fossa is a trench, shallow depressions in or on a bone
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What is a meatus?
A meatus is a passageway- a channel though bone
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What are the two processes that form joints? (articulation)
1. Condyle-large knucle-like process at the end of the bone
2. Head-rounded end of a bone
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What are the two procesess to which tendons, ligaments and other connective tissue attach?
1. Spinous Process-spince
2. Tuberosity-large rounded, roughened process
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what are the 3 different types of connective tissue?
1. Ligaments-connective tissue that holds two bones together
2. Tendon-connective tissue that attaches muscle to bone
3. Cartilage-rubbery-like substance that cover the ends of bones forming a joint, it provides cushioing and reduces friction that would destroy the bone.
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What are the two division of human skeletal system?
1. Axial skeleton-has 80 bones
2. Appendicular skeleton- has 126 bones
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What type of tissue is this?
Areolar Connective tissue
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What type of tissue is this?
Adiopose Connective tissue
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What type of tissue is this?
This is Hyaline connective tissue
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What type of tissue is this?
This is Bone connective tissue
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What type of tissue is this?
This is Dense regular connective tissue
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