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General Characteristics of Connective Tissue
1) Connective tissues __, __, __, __, __, __, __, __, and __.
2) What is the difference between epithelial tissue and connective tissue?
- bind, support, protect, serve as frameworks, fill spaces, store fat, produce blood cells, protect against infection, and repair tissue damage
- Connective tissues have abundant matrix, or intercellular material, throughout, and have good blood supplies (except cartilage)
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Major Cell Types of Connective Tissue
1) the __ is the most common cell type and is a large, star shaped cell that secretes __ and is fixed in position
2) Wandering __ function as scavenger cells and defend against infection.
3) __ are large and are located near blood vessels where they release __ and _.
- 1) fibroblast/ fibers
- 2) macrophages
- 30 mast cells/ heparin (anticoagulant)/ histamine (promotes inflammation)
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Connective tissue fibers:
a) Strong __, made of the protein __, add strength for holding body parts together.
b) __, made of the protein __, are stretchy and add flexibility to certain types of connective tissues.
c) __ are thin __ fibers that form supportive networks in a variety of tissues
- a) collagenous fibers (white fibers)/ collagen
- b) elastic fibers (yellow fibers)/ elastin
- c) reticular fibers/ collagenous
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Loose Connective Tissue
1) This type of tissue forms __, __ membranes throughout the body that do what?
2) __ are separated by a gel-like ground substance that contains __ and __ fibers.
3) What does it do?
- 1) delicate/ thin/ bind body parts together
- 2) Fibroblasts/ collagenous/ elastic
- 3) It binds the skin to underlying organs and fills spaces within muscles
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Adipose Tissue
1) __ is connective tissue designed to __
2) Where is it found?
- 1) adipose/ store fat
- 2) found beneath the skin, around joints, padding the kidneys and other internal organs, and in certain abdominal membranes
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Dense Connective Tissue
1) This tissue consists of densely packed __ and is very __ but lacks a __
2) It is found as part of __ and __.
- 1) collagenous fibers/ strong/ good blood supply
- 20 tendons/ ligaments
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Cartilage
1) Cartilage is a __ that provides a __ for various structures
2) Cartilage cells (__) lie withink __ in the gel-like fluid matrix.
3) __ is white with abundant fine __ fibers, is found __ and __.
4) __, with elastic fibers, provides a __ for the __ and __
5) __, with many __ fibers, is a tough tissue that provides a __ in __ and in __ and __.
- 1) rigid connective tissue/ supportive framework
- 2) chondrocytes/ lacunae
- 3) Hyaline cartilage/ collagen/ at the ends of bones/ supports respiratory passages
- 4) Elastic cartilage/ framework/ external ears/ parts of the larynx
- 5) Fibrocartilage/ collagenous/ shock-absorbing function/ intervertebral disks/ the knees/ pelvic girdle
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Bone
1) Bone is the most __, with deposits of __ and __ within the matrix.
2) Bone cells, called __, lie within __ and are arranged in __ (__) around __
3) Bone has a __, enabling __ after an injury.
- 1) rigid connective tissue/ mineral salts/ collagen
- 2) osteocytes/ lacunae/ concentric circles (osteons)/ osteonic canals
- 3) good blood supply/ rapid recovery
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Blood
1) Blood is composed of __ suspended in a __.
2) It is formed in the __ inside __ and functions to __ throughout the body
- 1) cells (red and white)/ fluid matrix (plasma)
- 2) blood-forming tissues/ red bone marrow/ transport substances
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General Characteristics of Muscle Tissue
1) __ cells, or __, can contract and consist of three major types, which are __, __, and __.
muscle/ fibers/ skeletal/ smooth/ cardiac
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Skeletal Muscle tissue
1) Skeletal muscle is attached to __ and can be controlled by __.
2) the cells (__) are __ and __, __ and have many __.
3) They contract from ___ and then relax.
- 1) bone/ conscious effort (voluntary)
- 2) Muscle fubers/ long/ cylindrical/ striated/ nuclei
- 3) nervous impulse
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Smooth muscle tissue
1) Smooth muscle tissue lacks __, is __, and consists of __.
2) this __ muscle is found in the walls of __, and in the __, __, and __.
- 1) striations/ uninucleate/ spindle-shaped cells
- 2) involuntary/ internal organs/ digestive tract/ blood vessels/ urinary bladder
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Cardiac Muscle Tissue
1) Cardiac muscle tissue is found only in th e__ and consists of __ that are connected to each other with __.
2) This __ muscle has a sngle __ in each cell but appears __.
- 1) heart/ branching fibers/ intercalated disks
- 2) involuntary/ nucleus/ striated
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Nervous Tissues
1) Nervous tissues are found in the __, __ and __.
2) __, or __, conduct __ while __, or __, __ and __ the __.
- 1) brain, spinal cord, nerves
- 2) neurons/ nerve cells/ nervous impulses/ helper cells/ neuroglia/ support/ nourish/ neurons
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