The human nervous system consists of the central nervous system cns and the peripheral nervous system pns. The four types of neuroglia found in the central nervous system are astrocytes, microglial cells, ependymal cells, and oligodendrocytes. Connective tissue of the blood vessels of the nervous tissue. The human body contains more than 200 types of cells that can all be classified into four types of tissues. Both central and peripheral tissue consists of two cell types.
While, in the peripheral nervous system, the neural tissue forms the cranial nerves and spinal nerves. Every memory you have and every emotion you will ever experience is an extraordinary result of evolution. Epithelial tissues act as coverings controlling the movement of materials across the surface. Describe the structure and function of the four types of cns neuroglial cells and the two. Pdf link given below in this article i am going to share a important topic animal tissue which is very important in many competitive exam. They are electrically active and release chemical signals to target cells.
Muscular system introduction functions and basic types of. The four basic types of tissue are epithelial tissue, connective tissue, muscle tissue, and nervous tissue. Weve learned about epithelial tissue, connective tissue, and muscle tissue, so now its time to learn about the fourth and final type, nervous tissue. It monitors and regulates the functions of the body. Request pdf nerve tissue nerve tissue is one of the one of the four basic tissue types.
Nervous tissue function and types of neurons by structure the nervous tissue function in the human brain is the most inspiring and fascinating organ in the human body. The nervous tissue is a large part of the tissues of that makes up the central nervous system. They receive stimuli from within or outside the body and. Connective tissue sheath of the peripheral nerves, which include see diagram 1. Human anatomy tissue types answer key free pdf file sharing. Nervous tissue makes up the different parts of our nervous system. Feb 21, 2019 weve learned about epithelial tissue, connective tissue, and muscle tissue, so now its time to learn about the fourth and final type, nervous tissue. Dec 22, 2017 the central nervous system is made up of the brain and spinal cord. The specialized cells of the nervous tissue are called. The function of nervous tissue anatomy and physiology. Nervous tissue is the primary tissue that composes the central nervous system and the peripheral nervous system.
Connective tissue proper of the nervous tissue which include. They are responsible for sensing stimuli and transmitting signals to and from different parts of an organism. Transmission of this input by nerve impulses to the brain and spinal cord, which generate an appropriate response. Sep 01, 2016 what are the different types of nervous tissue nervous tissue.
Hyalinecartilageisthemostabundanttypeofcartilageinthebodyandisfound% intheribcage,thenose,thetrachea,andtheendsoflongbones. Specific type of tissue has the same function in almost all of the higher animals. Sensory input, that is, the detection of stimuli by the receptors, or sense organs e. Nervous tissue characteristics, structure, function. Learn more about this tissue and take a short quiz at the end. Tissues are groups of cells with a common structure form and function job. The cells are differentiated meaning they take on a specific role.
They are formed by a combination of similar cells so as to have same physiological function in body. C microscopic structure of the nerve tissue two types of cells. Two types of neuroglia found in the pns are satellite cells and schwann cells. Learn vocabulary, terms, and more with flashcards, games, and other study tools. We explore the types of cells involved, the regions of. Micrographs provided by the regents of university of michigan. Fundamentals of the nervous system and nervous tissue. Nervous tissue, also called neural tissue, is the main tissue component of the nervous system. Tissues an overview of tissues, its types and functions. Before getting to the nuts and bolts of how this works, an illustration of how the components come together will be helpful.
Two main types of cells are found in nervous tissue. Assignment each figure should be accompanied by a figure number and a clear descriptive title. The two types of neuroglia found in the peripheral nervous system are satellite cells and schwann cells. Neurons are the other the other type of cell that comprise nervous tissue. Nervous tissue consists of two main types of cells. Distributed throughout the body as an integrated network.
They are responsible for the computation and communication that the nervous system provides. These tissues together form the organs in the body. Take the quiz below on the nervous tissue and be on your way to passing it. The other major functions of nervous tissue in the body are. Key concepts u2022 how is the human body organized. What are the different types of nervous tissue a plus topper. Doc histology of nervous tissue ha nguyen academia.
Muscle tissue epithelial tissue types epithelial tissues are coverings. Four types of neuroglia found in the cns are astrocytes, microglial cells, ependymal cells, and oligodendrocytes. Nervous tissue weve learned about epithelial tissue, connective tissue, and muscle tissue, so now its. Brain, spinal cord, and nerves are composed of nervous tissue, they.
The four types of tissues are muscle tissue, epithelial tissue, connective tissue, and nervous tissue. Chapter 35 nervous system section 35u201 human body systems. The cellular unit of the nervous system is the neuron. Skeletal muscle and nervous tissue motor end plate.
A tissue is a group of cells, in close proximity, organized to perform one or more specific functions there are four basic tissue types defined by their morphology and function. Nervous tissue is massed in or near the central nervous system and sends out branches to innervate nearly all parts of the body. Nervous tissue assignment from your observations, draw simple, generalized line diagrams that illustrate the diagnostic features of the following list of tissue types. The human body is made of four general types of tissues. If a single, broad functional term were assigned to. Describe the main cells that comprise nervous tissue.
F1a is composed largely of nerve cells, the neurons, and their cytoplasmic processes together with a specialized type of supporting tissue, the neuroglia. The word tissue derives from the old french word meaning to weave, reflecting the fact that the different tissues are woven together to form the fabric of the human body. Glial cells supporting, electrical insulation, metabolic function. Muscular system introduction functions and basic types of muscle cells skeletal muscle cells and connective tissues the nervous system mechanism of muscle contraction motor unit action potential basis of emg length tension characteristics force regulation in skeletal muscles energy consideration of muscle contraction. The nervous tissue which forms the brain and spinal cord is of two types. Connective tissue integrates the various parts of the body and provides support and protection to. Nervous or the nerve tissue is the main tissue of our nervous system. Transmit messages nerve impulses from one part of the body to another. Name the four major tissue types and their subcategories. Nervous tissue is made up of different types of neurons, all of which have an axon. Explain the structure and function of the muscle and nervous tissues. Name four types of neuroglia in the cns, and list at least four functions of these cells. Sclera or scleroid layer white of eye a tough protective layer of connective tissue that helps maintain.
Epithelial tissues for lining body cavities, covering internal organs and large surfaces. The nervous tissue is an assemblage of cells and supportive elements materials in which there is a predominance of cells which are highly specialized in the property of excitability and conductivity, whereby they are capable of generating and conducting electrochemical wave along their plasma membrane. Neurons are the primary type of cell that most anyone associates with the nervous. Tissues tissues are composed of cells similar in structure and specialized to perform a specific function for the body. The grey matter consists of cell bodies of neurons, their dendrites and proximal ends of their axons. Cns is composed of the brain located in the cranial cavity and the spinal cord located in the vertebral cavity, which serve as the main control centers for all body activities. Be sure to clearly label the significant features of that tissue type. It allows us to receive stimuli and process the information.
The neurons are specialized for conduction of nerve impulses. Nervous tissue definition, function and types biology. There are six types of neurogliafour in the cns and two in the pns figure 11. With the final exam almost upon us it is important to ensure that we get a head on our revision and stand a better chance of passing. It mainly consists of two main groups of cells, which are the neurons and the neuroglia. Nervous tissue is composed of neurons and supporting cells called neuroglia, or glial cells.
Nervous tissue integrates and coordinates the activities of the bodys cells and organs through conduction of electrical impulses and secretion of chemical neurotransmitters. The four types of tissues are exemplified in nervous tissue, stratified squamous epithelial tissue, cardiac muscle tissue, and connective tissue in small intestine. The nervous tissue, which contains densely packed nerve cells, called neurons gk. If you are preparing for any competitive like, neet, aiims, gpat etc. There are over 200 unique tissues in the body, and four primary tissue types. It gathers information from all over the body and coordinates activity.
There are four main tissues in the body epithelium, muscle, connective tissue and nervous tissue. Nervous tissue function and types of neurons by structure. The main component of the central and peripheral nervous systems, where it is tasked with transmitting and integrating information. Cns line central canal spine and vesticles brain, associated with gray matter cell bodies produces, circulates, and monitors cerebrospinal fluid. Nervous tissue is composed of neurons, also called nerve cells, and neuroglial cells. Nervous tissue is composed of two types of cells, neurons and glial cells. Nervous tissue is the term for groups of organized cells in the nervous system, which is the organ system that controls the bodys movements, sends and carries signals to and from the different parts of the body, and has a role in controlling bodily functions such as digestion. Did you know that kenhub contains an entire section dedicated to histology. Each type has a unique function, but in general, these cells provide a.
The nervous system consists of nervous tissue, which is composed of two principal types of cells called neuron and neuroglia. Give the chief locations of the muscle and nervous tissue in the body 4. Peripheral nervous system pnsall cranial and spinal nerves and their associated roots and ganglia functional pns divisions. The nervous tissue forms the communication network of the nervous system and is important for information processing. If you are unable to view it properly please click here. Having looked at the components of nervous tissue, and the basic anatomy of the nervous system, next comes an understanding of how nervous tissue is capable of communicating within the nervous system.
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