150 likes | 834 Views
Gustation. Smell & Taste. In sea-borne organisms, smell and taste are the same - some reptiles smell with their tongues Close relationship between smell and taste. Taste. Diet regulation Last chance to detect a poison prior to ingestion. Anatomy of Taste. Papillae Circumvilliate Folliate
E N D
Gustation Anthony J Greene
Smell & Taste • In sea-borne organisms, smell and taste are the same - some reptiles smell with their tongues • Close relationship between smell and taste Anthony J Greene
Taste • Diet regulation • Last chance to detect a poison prior to ingestion Anthony J Greene
Anatomy of Taste Papillae • Circumvilliate • Folliate • Filliform • Fungiform Circumvilliate Folliate Filliform Fungiform Anthony J Greene
Anatomy of Taste • Taste Receptors • Taste Buds occur on the soft palate and on some Papillae - Foliate, Circumvallete, Fungiform, Filliform (no taste buds) • About 10,000 taste buds Anthony J Greene
Taste Anatomy Anthony J Greene
Taste Anatomy Anthony J Greene
Central Gustatory Pathway Taste buds -> Solitary Tract (part of the Medulla) -> Thalamus -> Frontal Lobe Anthony J Greene
Central Gustatory Pathway Primary Gustatory Area (insular cortex) • Taste buds -> Solitary Tract (part of the Medulla) -> Thalamus -> Frontal Lobe Anthony J Greene
Properties of Taste • The dimensions of taste Anthony J Greene
Properties of Taste • Taste preferences for familiar food • Single trial learning - taste aversion • Self-Balancing diet Anthony J Greene