General Biology/Tissues
Vertebrate tissues
[edit | edit source]Definition of tissue: an aggregation of cells, usually of the same kind, organized to perform a common function. A group of similar cells organized into a structural and functional unit (Raven/Johnson). Primary categories of adult tissues (non-dogmatic categories of convenience):
- Epithelial tissue
- Connective tissue Includes bone and blood tissues
- Muscle tissue
- Nervous tissue