Electron Microscopy
This website contains more than 150 EM photographs (i.e. micrographs) for learning histology.
Cells and Tissues
Histology is organized into four basic types of tissue: (1) epithelium, (2) connective tissue (includes cartilage, bone and blood), (3) muscle, and (4) nervous tissue.
Organs
Organs are composed of more than one type of tissue snd its cells have specialized functions.