Science [Internet].

The Cardiovascular System: Blood Vessels and Circulation, 20.1 Structure and Function of Blood Vessels, 20.2 Blood Flow, Blood Pressure, and Resistance, 20.4 Homeostatic Regulation of the Vascular System, 20.6 Development of Blood Vessels and Fetal Circulation, Chapter 21. The Lymphatic and Immune System, 21.1 Anatomy of the Lymphatic and Immune Systems, 21.2 Barrier Defenses and the Innate Immune Response, 21.3 The Adaptive Immune Response: T lymphocytes and Their Functional Types, 21.4 The Adaptive Immune Response: B-lymphocytes and Antibodies, 21.5 The Immune Response against Pathogens, 21.6 Diseases Associated with Depressed or Overactive Immune Responses, 21.7 Transplantation and Cancer Immunology, 22.1 Organs and Structures of the Respiratory System, 22.6 Modifications in Respiratory Functions, 22.7 Embryonic Development of the Respiratory System, 23.2 Digestive System Processes and Regulation, 23.5 Accessory Organs in Digestion: The Liver, Pancreas, and Gallbladder, 23.7 Chemical Digestion and Absorption: A Closer Look, 25.1 Internal and External Anatomy of the Kidney, 25.2 Microscopic Anatomy of the Kidney: Anatomy of the Nephron, 25.3 Physiology of Urine Formation: Overview, 25.4 Physiology of Urine Formation: Glomerular Filtration, 25.5 Physiology of Urine Formation: Tubular Reabsorption and Secretion, 25.6 Physiology of Urine Formation: Medullary Concentration Gradient, 25.7 Physiology of Urine Formation: Regulation of Fluid Volume and Composition, Chapter 26. The most prominent cell of the nervous tissue, the neuron, is characterized mainly by its ability to receive stimuli and respond by generating an electrical signal, known as an action potential, which can travel rapidly over great distances in the body. Each cell consists of the following parts (see Figure 1): The cell body contains the nucleus and other cellular organelles. Oligodendrocyte cells produce myelin in the central nervous system (brain and spinal cord) while the Schwann cell produces myelin in the peripheral nervous system (Figure 4.5.2 Nervous Tissue). Nervous tissue is composed of two types of cells, neurons and glial cells. Nervous tissue consists of two cells: nerve cells or neurons and glial cells, which helps transmit nerve impulses and also provides nutrients to neurons. Nervous tissue is composed of two types of cells, neurons and glial cells. Skeletal muscle cells, long, striated, multinucleate cells under voluntary control, are responsible for the movement of skeletal muscles. Some of the glial cells are phagocytic, removing debris or damaged cells from the tissue. Neurons are well suited for the transmission of nerve impulses because short extensions, dendrites, receive impulses from other neurons, while a long tail extension, an axon, carries electrical impulses away from the cell to other neurons. Skeletal muscle has striations across its cells caused by the arrangement of the contractile proteins, actin and myosin, that run throughout the muscle fiber. Neurons are the basic unit of nervous tissue. If enough neurotransmitters are released at the synapse to stimulate the next neuron (or muscle, or gland), a response is generated. Nervous tissue is one of four major classes of tissues. Nervous tissues are made of cells specialized to receive and transmit electrical impulses from specific areas of the body and to send them to specific locations in the body organized into structures called nerves. Smooth muscle cells, spindle shaped with only one nucleus, contract involuntarily to push food through the digestive tract and blood through blood vessels. What are the Different Types of Nervous Tissue Nervous Tissue : The nervous tissue, which contains densely packed nerve cells, called neurons (Gk. Although the nervous system is very complex, there are only two main types of cells in nerve tissue.The actual nerve cell is the neuron.It is the "conducting" cell that transmits impulses and the structural unit of the nervous system. OpenStax College, Animal Primary Tissues. Smooth muscle cells have a single, centrally-located nucleus and are spindle shaped. There are four main tissues in the body – epithelium, muscle, connective tissue and nervous tissue. They receive stimuli from within or outside the body and […] A long axon extends from the cell body and may be wrapped in an insulating layer known as myelin, which is formed by accessory cells. It is specialized tissue found in the central nervous system and the peripheral nervous system. 2005 [cited 2012 Dec 4]; 28:223–250. Cardiac muscle is found only in the heart. Nervous tissue is comprised of nerves, which are comprised of neurons, that send and receive signals, and glial cells, which support the neurons. Nervous tissue, also called neural tissue or nerve tissue, is the main tissue component of the nervous system.The nervous system regulates and controls bodily functions and activity and consists of two parts: the central nervous system (CNS) comprising the brain and spinal cord, and the peripheral nervous system (PNS) comprising the branching peripheral nerves.

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