Glandular epith

short presentation about Glandular Epithelium

1. Glandular Epithelium Prepared by : Saleh Abduraboh

2. Glandular Epithelium Is a special type of epithelium makes up the glands in body. Single or Group of cells. Secrets enzymes, hormones, fats or mucous. Its secretions are required by other tissue.

3. The formation of glands

4. Endocrine glands Ductless (no duct system). Release internally. Secret hormones. Multicellular with exception Paracrine glands.

5. Endocrine glands

6. Exocrine glands Have duct system. Release internally or externally. Secret ear-wax, digestive enzymes and saliva. Multicellular or unicellular.

7. Exocrine glands secretions watery waxy fatty cellular serous mucous mixed sweat Gl Oil Gl Saliv ary glands External ear Ovary & testis

8. Glandular classification According to : Presence and absence of ducts. Number of secretory cells. Nature of secretion. Mode of secretion. Shape of secretory units & Arrangement of Duct (branching in exocrine structure).

9. 1. Presence and absence of ducts

10. Salivary gland (Exocrine)

11. Thyroid gland (Endocrine)

12. Pancreas gland (Mixed)

13. 2. Number of secretory cells

14. First: Unicellular Exocrine (ex: Goblet cells )

15. First: Unicellular Endocrine (ex: Enteroendocrine cells)

16. Second: Multicellular Exocrine (ex: Endometrial glands)

17. Second: Multicellular Endocrine (ex: Thyroid gland)

18. 3. Nature of secretion

19. 4. Mode of secretion

20. 5. Shape of secretory units & Arrangement of Duct

21. Gland as a compact organ

22. Thank you for being attentive

23. Presented by group B students : Name No. Saleh Abduraboh 14 Moath Abdulkariem 15 Omnia Mohammed 16 Mohammed Sofian 17