Aloe- Biological source, Chemical constituents, Uses

Screenshot 2023 12 07 150047 Aloe- Biological source, Chemical constituents, Uses

Laxatives are substances or medications that are used to promote bowel movements and alleviate constipation. They work by increasing the frequency or ease of stool passage, often by softening the stool or stimulating the intestines to move. Laxatives are commonly employed to relieve temporary constipation or to prepare the bowel for certain medical procedures. There … Read more

Neurotransmitters- What they are, Types & Functions

Screenshot 2023 12 07 104620 Neurotransmitters- What they are, Types & Functions

Neurotransmitters are chemical messengers that play a crucial role in transmitting signals across synapses in the nervous system. These signaling molecules transmit information from one neuron to another or from neurons to target cells (e.g., muscles or glands). Neurotransmitters can be classified based on various criteria, and each type has specific properties. Here’s a classification … Read more

Synapse- Anatomy, Functions & Types

Screenshot 2023 12 07 103119 Synapse- Anatomy, Functions & Types

A synapse is a specialized junction that allows communication between neurons or between a neuron and its target cell, such as a muscle or gland. Synapses play a critical role in transmitting signals within the nervous system. They can be classified based on various criteria, and each type has distinct properties. Here’s a classification and … Read more

Receptors- Definition, Classifications, Properties

Screenshot 2023 12 07 102244 Receptors- Definition, Classifications, Properties

Receptors can be classified based on various criteria, including their location, mechanism of action, and the types of signals to which they respond. Here’s a broad classification and an overview of the properties of receptors: Based on Location 1. Cell Surface Receptors: Integral Membrane Proteins: These receptors are embedded within and typically span the plasma … Read more

Action potential- Definition, Phases

Screenshot 2023 12 07 101438 Action potential- Definition, Phases

An action potential is a rapid and transient change in the membrane potential of a cell, particularly in excitable cells like neurons and muscle cells. This phenomenon is a key mechanism for transmitting signals within the nervous system and initiating muscle contractions. The process of an action potential involves a series of electrical events that … Read more

Electrophysiology

Screenshot 2023 12 07 095700 Electrophysiology

Electrophysiology is a specialized branch of physiology that focuses on the study of electrical properties in biological cells, tissues, and organs. This field examines how electrical signals are generated, transmitted, and regulated within living organisms. By analyzing electrical currents and voltage fluctuations, electrophysiology provides vital insights into the functioning of the nervous system, cardiac tissues, … Read more

Nerve fibers- Definition, Classification

Screenshot 2023 12 06 193403 Nerve fibers- Definition, Classification

Nerve fibers Nerve fibers, also known as axons, are the long, thread-like projections of nerve cells (neurons) that transmit electrical impulses and information throughout the nervous system. These fibers can be classified based on various criteria, and their properties vary accordingly. Here’s a classification and overview of nerve fibers based on different characteristics: Classification of … Read more

Neuroglia- Definition, Types, Functions

Screenshot 2023 12 06 192654 Neuroglia- Definition, Types, Functions

Neuroglia, or glial cells or simply glia, are a group of non-neuronal cells that provide essential support and protection for neurons within the nervous system. The term “neuroglia” comes from Greek, with “neuron” meaning nerve and “glia” meaning glue, reflecting the historical perception of these cells as a kind of glue holding the nervous tissue … Read more

Neurone- Definition, Structure, Types, Functions

Screenshot 2023 12 06 185547 Neurone- Definition, Structure, Types, Functions

A neuron is a specialized cell that is the basic building block of the nervous system, the complex network that facilitates communication within the body. Neurons are responsible for transmitting information in the form of electrical and chemical signals. Each neuron is characterized by a unique structure, including a cell body (soma), dendrites, and an … Read more

Pharmaceutical applications of radioactive substances

Screenshot 2023 12 05 211845 Pharmaceutical applications of radioactive substances

Radioactive substances Radioactive substances have played a significant role in modern medicine and pharmaceutical sciences. The controlled use of radioactive materials in diagnostics, therapy, and research has transformed the healthcare industry. These substances are primarily used in nuclear medicine for imaging, treatment of various diseases, and as tracers in pharmacokinetic and pharmacodynamic studies. This document … Read more