1. Histology

2. Groups of closely related associated cells that are similar in structure and perform a common function are tissue.
Cytology – the study of cells
Histology – the study of tissue

3. Components of Tissues Cells Extracellular matrix
may be fluid or protein fibers
Matrix
Cell

4. 4 Basic Types of Tissue in Humans
Epithelial tissue
Connective tissue
3. Muscle tissue
4. Nervous tissue

5. Connective Tissue

6. most abundant and widely distributed tissue

8. Chief Subclasses:
Cartilage
Bone
Blood

9. Chief Subclasses:
Cartilage
Bone
Blood
also tendons, ligaments, fat

10. Functions:
Binding - fibrous connective
tendons
ligaments
fat

11. Functions:
2. Support –
cartilage
and bone

12. Functions:
3. Protection - bone

13. Functions:
4. Insulation - adipose

14. 5. Transportation - blood
Functions:
5. Transportation - blood

15. Characteristics: all from mesoderm - “common origin”
mesenchyme = stem cell

18. Characteristics: 2. vascular degrees
3. composed largely of matrix - few cells