A useful review of plant meristems, growth and cell wall construction. Good illustrations make for easy to understand information.

This essay is complemented by useful illustrations of how plant cells enlarge after mitosis and become specialized for different functions. A good supplement to plant growth studies.

Discusses the differences between endothelial and epithelial cells, including where they are found in the human body, their function, and their structure.

This is an advanced review from Palomar College of the types of cells that make up conducting tissue in stems and roots. The photos and diagrams are excellent!

Describes how sperm cells are formed through the process of spermatogenesis and some factors that can negatively affect sperm formation.