Recent advances in biology and physiology have enormously increased the relevance of histology and made its study vitally important. This book presents a systematic treatment of the histological aspects of different tissues of almost all the systems of an organism. The text is presented in a clear and lucid manner, supported by numerous detailed and self-explanatory illustrations. The book is designed as a comprehensive text for both undergraduate and postgraduate students of Zoology and Physiology. Students pursuing medical courses would also find it very useful.