In this article we will discuss about the structure of the eye, with the help of suitable diagrams. The eye is one of the most important of the receptors. It provides us with information on dimensions, colours and the distance of objects in our environment. How the Eye Produces a Focused Image: 1. Light rays […]
Structure of the Eye (With Diagram) | Receptors | Biology
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Role and Functions of Second Messengers | Pharmacodynamics
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After reading this article you will learn about the role and functions of second messengers. Many hormones, neurotransmitters, autacoids and drugs act on specific membrane receptors, the immediate consequence of which is activation of a cytoplasmic component of the receptor, which may be an enzyme such as adenylate cyclase, guanylate cyclase or activation of a […]
Classification of Receptors: 4 Types | Pharmacodynamics
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This article throws light upon the four main types of receptors. The types are: 1. Receptors for Fast Neurotransmitters 2. Receptor for many Hormones and Slow Transmitters 3. Receptors for Insulin and Various Growth-Factors 4. Steroid Receptors. Type # 1. Receptors for Fast Neurotransmitters: These are coupled directly to an ion- channel. These receptors are […]
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