MEDICAL BIOLOGY, HUMAN ANATOMY, PHYSIOLOGY AND PATHOLOGY - Y.I. Fedoniuk 2010

ANATOMY, PHYSIOLOGY, PATHOLOGY

SECTION 3. ANATOMICAL AND PHYSIOLOGICAL ASPECTS OF BODY FUNCTION SELF-REGULATION

GENERAL ISSUES IN THE ANATOMY AND PHYSIOLOGY OF SENSORY SYSTEMS

THE ORGAN OF TASTE

Taste receptors are chemoreceptors sensitive to The chemical composition of food. They are located in the mucous membrane of the Tongue (fungiform, foliate, and circumvallate papillae), soft palate, and posterior pharyngeal wall. 10–15 receptor Cells bearing microvilli form a taste bud. Each taste bud consists of gustatory and supporting cells.

Nerve endings are located on the basal surface of the taste cells, through which excitation is transmitted via Cranial Nerves (VII, IX, X), sharing a single common sensory Nucleus in the Rhomboid fossa, to the Cerebral Cortex, where the cortical center of the gustatory analyzer is located—the uncus and parahippocampal gyrus (Fig. 3.68).

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Fig. 3.68. The pathway of the gustatory organ



Last update: 08/08/2026

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