PPT-Sensory Receptors (a) Receptor

is afferent neuron b Receptor regulates afferent neuron To CNS Afferent neuron Afferent neuron To CNS Receptor protein Sensory receptor Stimulus Neurotransmitter Sensory receptor. . DR NARENDRA KUMAR. . Pharmacodynamics. is the study of the biochemical and physiological effects of drugs and their mechanisms of action. . Simply stated, . pharmacodynamics. refers to the effects of a drug on the body.. What are receptors and effectors and to what do they respond? . Starter. :. What are the 5 senses.. What are the stimuli for these?. What detect the stimuli?. Stimulus: a change in the environment that causes a response.. in the Teaching Material of. Medical Biotechnology Master’s . P. rogrammes. at the. . University of . Pécs. and at the University of Debrecen. Identification. . number. : TÁMOP-4.1.2-08/1/A-2009-0011. A Selective Overview. Carl Rosow, M.D., Ph.D.. Disclosures. Consultant – Salix Pharmaceuticals. Topics for Today. Pharmacodynamics. Receptors, potency, efficacy. Agonists, antagonists. The dose response curve. Specialized . neurons that respond to physical or chemical stimuli. . Respond by changing ion channels, altering . graded . potentials. . High graded potential at receptor ending causes rapid firing of its afferent neuron.. Dr. SA . Ziai. Pharmacology. Pharmacology . can be defined as the study of substances that interact with living systems through chemical processes, especially by binding to regulatory molecules and activating or inhibiting normal body processes. . . Enzyme-linked . receptors. Nuclear receptors. Stochasticity. in . signalling. .. Enzyme-linked receptors. . signalling. through growth factors, hormones, cytokines. acting locally at very low concentrations (10. Sensory systems receive information from the environment via specialized receptors in the periphery and transmit this information through a series of neurons and synaptic relays to the CNS. . Sensory . Objectives. Monoamines and Depressive States. Genotype, Endophenotype, Phenotype Hypothesis. Implications for Drug Design. Focusing on Serotonin Receptor-Specific Antidepressants. Focusing on Serotonin Receptor-Specific Antidepressants: SARI and NASA . الاحساس اللمسي. of Touch, Pressure, and Vibration. . Although touch, pressure, and vibration are frequently classified as sepa­rate sensations, they are . all detected by the same types of receptors. Assistant Professor. MBBS, . Mphil. Stimulus & Modalities. A . stimulus . is a change detectable by the . body.. Stimuli . exist in a variety of energy forms, or . modalities, . such as heat, light, sound, pressure, and chemical changes. Afferent Division of the Nervous System. Receptors. Sensory neurons. Sensory pathways. Efferent Division of the Nervous System. Nuclei. Motor tracts. Motor neurons. Figure 15-1 An Overview of Events Occurring Along the Sensory and Motor Pathways.. Pharmacodynamics. D-R Interact.ions and Pharmacodynamics. Pharmacodynamics. . Describes the actions of drugs on the body and the influence of drug . concentration on the magnitude of the response. . by . Dr.Vani. Gupta. Homeostasis. Homeostasis. - maintaining internal stability within an organism and returning to a particular stable state after a fluctuation..