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Questions and Answers
What is the function of dense irregular connective tissue?
What is the function of dense irregular connective tissue?
Provides structural support in the skin
______ attach skeletal muscles to bones and ______ attach one bone to another.
______ attach skeletal muscles to bones and ______ attach one bone to another.
Tendons, ligaments
Which type of tissue has cells and fibers loosely arranged in a semi-fluid ground substance?
Which type of tissue has cells and fibers loosely arranged in a semi-fluid ground substance?
- Dense connective tissue
- Adipose tissue
- Specialized connective tissue
- Loose connective tissue (correct)
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Study Notes
Connective Tissue
- Connective tissues include cartilage, bone, adipose, and blood.
- Cells in connective tissues, except blood, secrete fibres of structural proteins called collagen or elastin, providing strength, elasticity, and flexibility.
- Cells also secrete modified polysaccharides, which act as matrix (ground substance) between cells and fibres.
Types of Connective Tissue
- There are three types of connective tissues: loose connective tissue, dense connective tissue, and specialized connective tissue.
Loose Connective Tissue
- Has cells and fibres loosely arranged in a semi-fluid ground substance.
- Examples include areolar tissue present beneath the skin.
- Often serves as a support framework for epithelium.
- Contains fibroblasts, macrophages, and mast cells.
Adipose Tissue
- A type of loose connective tissue located mainly beneath the skin.
- Cells are specialized to store fats.
- Excess nutrients are converted into fats and stored in this tissue.
Dense Connective Tissue
- Fibres and fibroblasts are compactly packed.
- Fibre orientation shows a regular or irregular pattern, making dense regular and dense irregular tissues.
Dense Regular Connective Tissue
- Collagen fibres are present in rows between many parallel bundles of fibres.
- Examples include tendons and ligaments.
Dense Irregular Connective Tissue
- Fibroblasts and many fibres (mostly collagen) are oriented differently.
- Present in the skin.
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