Integumentary System Physiological Phenomena
Integumentary System
Digestive System Physiological Phenomena
Nervous System Physiological Phenomena
Digestive System and Oral Physiological Phenomena
Reproductive and Urinary Physiological Phenomena
Musculoskeletal and Neural Physiological Phenomena
Circulatory and Respiratory Physiological Phenomena
Feathers
Flat keratinous structures found on the skin surface of birds. Feathers are made partly of a hollow shaft fringed with barbs. They constitute the plumage.
Odontogenesis
The process of TOOTH formation. It is divided into several stages including: the dental lamina stage, the bud stage, the cap stage, and the bell stage. Odontogenesis includes the production of tooth enamel (AMELOGENESIS), dentin (DENTINOGENESIS), and dental cementum (CEMENTOGENESIS).