Presentation is loading. Please wait.

Presentation is loading. Please wait.

Epithelial tissue (Epithelium)

Similar presentations


Presentation on theme: "Epithelial tissue (Epithelium)"— Presentation transcript:

1 Epithelial tissue (Epithelium)

2 Epithelial tissue (Epithelium)
Lining, covering and glandular tissue of the body

3 Epithelial tissue (Epithelium)
Examples: Skin protects against bacteria/chemicals Lining of the respiratory tract-cilia to sweep mucus Kidney-epithelium absorbs and filters Secretion-glands

4 Epithelial tissue (Epithelium)

5

6

7

8

9

10 Forms membranes for filtration/exchange

11

12 Glands/Ducts Kidney tubules Surface of ovaries Salivary Glands
Ducts in Pancreas Kidney tubules Surface of ovaries

13

14 Line digestive tract Goblet cells: produce mucus

15

16 Some cells are shorter than others
Absorption and secretion Ciliated variety lines the respiratory tract Goblet cells make mucus Cilia move mucus

17 Pseudostratified (ciliated) columnar

18 Several layers of cells Can stand friction:
Esophagus Mouth skin

19

20 Cells at base are cuboidal or columnar, free surface varies
Tissue can stretch Lines the: Urinary bladder Ureters Part of urethra

21

22 Extracellular matrix Produced by connective tissue cells
Secreted to exterior Ground substance, proteins and large polysaccharides Matrix fibers Gel like, to firm, to rock hard

23 Extracellular matrix

24 Extracellular matrix

25 Types of Connective Tissue
Bone Cartilage Dense Connective Tissue Loose Connective Tissue Blood


Download ppt "Epithelial tissue (Epithelium)"

Similar presentations


Ads by Google