Histology - General definitions - orangs.pptx

a comprehensive introduction to Histology.

1. Definitions Histology: The study of the microscopic structure of tissues Tissue: A group or layer of cells that work together to perform a specific function Cell: The smallest, basic unit of life that is responsible for all of life's processes

2. Tissue Epithelial tissue Connective tissue Muscle tissue Nerve tissue

3. Organ A differentiated structure (such as a heart, kidney, leaf, or stem ) consisting of cells and tissues and performing some specific function in an organism