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Understanding Epithelial and Connective Tissue in Biology Lab

Explore the characteristics, functions, and locations of different epithelial and connective tissues, including simple columnar, cuboidal, and squamous epithelium, along with adipose, blood, bone, and dense connective tissues. Learn about their structure and significance in the body.

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Understanding Epithelial and Connective Tissue in Biology Lab

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  1. Tissues Lab Chapter 5

  2. Simple columnar epithelium Simple cuboidal epithelium Simple squamous epithelium Pseudostratified columnar epithelium Stratified squamous Epithelium Transitional epithelium Epithelial Tissue • Consists of several layers of cube shaped, elongated, and irregular cells • Commonly possess cilia that move sex cells and mucus • Single layer flattened cells • Nuclei located at different levels within cells • Forms walls of capillaries and air sacs of lungs • Forms lining of trachea and bronchi • Younger cells cuboidal, older cells flattened • Form inner lining of urinary bladder • Lines kidney tubules and ducts of salivary glands • Forms lining of stomach and intestines • Nuclei located near basement membrane • Forms lining of oral cavity, anal canal, and vagina

  3. Simple columnar epithelium Simple cuboidal epithelium Stratified squamous epithelium Transitional epithelium

  4. Simple squamous epithelium Pseudostratified columnar epithelium with cilia

  5. Adipose tissue Blood Bone Dense connective tissue Cartilage Elastic connective tissue Loose (areolar)connective tissue Connective Tissue • Form framework of outer ear • Functions as heat insulator beneath skin • Contains large amounts of fluid and lacks fiber • Cells arranged around central canal • Binds skin to underlying organs • Provides stored enerdy supply in fat vacuoles • Forms the flexible part of the nasal septum • Pads between vertebrae that are shock absorbers • Forms supporting rings of respiratory passages • Cells greatly enlarged with nuclei pushed to sides • Matrix contains collagen fibers and mineral salts • Occurs in ligament attachments between vertebrae and artery walls • Hyaline, elastic, fibro

  6. Adipose Bone Hyaline cartilage Blood

  7. Loose (areolar) connective Reticular connective Dense connective

  8. Cardiac muscle Nervous tissue Skeletal muscle Smooth muscle Muscle and Nervous Tissue • Coordinates, regulates, and integrates body functions • Contains intercalated discs • Muscle that lacks striations • Striated and involuntary • Striated and voluntary • Contains neurons and neuroglial cells • Muscle attached to bones • Muscle that composes heart • Moves food through the digestive tract • Transmits impulses along cytoplasmic extensions

  9. Smooth muscle Skeletal muscle Cardiac muscle Nervous tissue

  10. Labeling of bone tissue 1. 2. 3. 4. 5. 6. 7.

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