Finally, a biopsy of the swelling, or a fine needle aspiration and cytology, where fluid from the swelling is taken, may be done to confirm the diagnosis.
Basic sciences of medicine. Anatomy is the study of the physical structure of organisms. In contrast to gross or macroscopic anatomy, cytology and histology are concerned with microscopic structures.
Anatomy is the study of the body's structure; physiology is the study of the body's function. Other studies of human body include cytology, embryology, histology, immunology, endocrinology, hematology, biology, psychology etc.