VPP 322: Aquatic Animal Diseases, Health Care and Management (1+1)

INTRODUCTION

Anatomy

• In Latin, Ana means ‘as under’ and Tamnein means ‘ to cut’
• It is the study of internal structure and organization of organisms, especially of their parts and the relationship between the parts by means of dissection and microscopic examination.
• Morphology (External anatomy) is a branch of biology dealing with the study of the external features of organisms.

Major divisions of anatomy

• Microscopic anatomy
• Macroscopic anatomy

Sub-disciplines or Sub-divisions of anatomy

Gross anatomy	Study of macroscopic structures of organisms that can be observed by naked eye
Cross-sectional anatomy	Study of the body through different sections
Developmental anatomy	Study of the prenatal development of organisms, i.e., egg, embryo and larval stages
Comparative anatomy	Comparing the anatomy of different organisms especially to study their evolutionary origin
Histology	Study of tissues
Cell biology	Study of the organization of cell and subcellular components
Neuro anatomy	Microscopic study of the nervous structure

Anatomy of fish