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Tissue. Tissue: Cells that are organized into groups and layers.

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Presentation on theme: "Tissue. Tissue: Cells that are organized into groups and layers."— Presentation transcript:

1 Tissue

2 Tissue: Cells that are organized into groups and layers

3 Tissue Tissue: Cells that are organized into groups and layers 4 Kinds: Epithelial, Connective, Muscle, Nervous

4 Tissue Tissue: Cells that are organized into groups and layers 4 Kinds: Epithelial, Connective, Muscle, Nervous Basement Membrane: Underside of tissue, nonliving layer

5 Tissue Epithelial Tissue: Tissue that covers body surface, organs, and glands.

6 Tissue Epithelial Tissue: Tissue that covers body surface, organs, and glands. Used for protection, secretion, absorption, and excretion

7 Tissue Epithelial Tissue: Tissue that covers body surface, organs, and glands. Used for protection, secretion, absorption, and excretion Lack blood vessels, divide frequently, tightly packed

8 Simple Squamous Epithelium

9 Consist of a single layer of tightly packed, flattened cells

10 Simple Squamous Epithelium Consist of a single layer of tightly packed, flattened cells Form in the airs sacs of lungs, blood vessels, and body cavities

11 Simple Squamous Epithelium Consist of a single layer of tightly packed, flattened cells Form in the airs sacs of lungs, blood vessels, and body cavities Thin and delicate, easily damaged

12 Simple Cuboidal Epithelium

13 Cube-shaped cells, tightly packed

14 Simple Cuboidal Epithelium Cube-shaped cells, tightly packed Ovaries, kidneys, salivary glands, liver

15 Simple Columnar Epithelium

16 Elongated, single layer cells.

17 Simple Columnar Epithelium Elongated, single layer cells. Can contain Cilia: for movement of materials

18 Simple Columnar Epithelium Elongated, single layer cells. Can contain Cilia: for movement of materials Female reproductive tubes, small and large intestines

19 Pseudostratified Columnar Epithelium

20 Single, elongated layer, but appear stratified because nuclei are located at different levels

21 Pseudostratified Columnar Epithelium Single, elongated layer, but appear stratified because nuclei are located at different levels Line passages of respiratory system, trap dust and microorganisms

22 Stratified Squamous Epithelium

23 Many layers, thick tissue. New cells push older ones further out

24 Stratified Squamous Epithelium Many layers, thick tissue. New cells push older ones further out Outer layer of skin, esophagus, vagina, anal canal

25 Stratified Cuboidal Epithelium

26 Two-three layers of cube like cells

27 Stratified Cuboidal Epithelium Two-three layers of cube like cells Sweat glands, Salivary glands

28 Stratified Columnar Epithelium

29 Several layers of elongated cells

30 Stratified Columnar Epithelium Several layers of elongated cells Male urethra

31 Transitional Epithelium

32 Specialized to contract and expand based upon tension

33 Transitional Epithelium Specialized to contract and expand based upon tension Bladder and ureters

34 Glandular Epithelium Cells that produce and secrete substances into ducts and body fluids

35 Glandular Epithelium Cells that produce and secrete substances into ducts and body fluids Exocrine Glands: secrete their product on open surfaces (Skin, digestive tract)

36 Glandular Epithelium Cells that produce and secrete substances into ducts and body fluids Exocrine Glands: secrete their product on open surfaces (Skin, digestive tract) Endocrine Glands: Secrete into tissue fluid and blood

37 Tissue Illustration Draw and illustrate the 8 types of specific tissue Label: Nucleus, Cytoplasm, Basement membrane, and Connective Tissue Two types of tissue per page, Use Color!!! Describe cell and give examples of type Use pg. 96-100 in Text


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