2. Nerves are composed of myelinated and unmyelinated axons, Schwann cells surrounded by connective tissue. Suggest Corrections 1Similar questions Q. What is the unit of nervous tissues? Q. What is nervous tissues? Explain with a diagram. Q. What is the difference between the nervous tissue ...
Multiple sclerosis (MS) is a progressive, degenerative disease of the central nervous system whose distinguishing feature is the development of scattered, focal lesions of the myelin sheath of the axons.1 The disease usually strikes in the third or fourth decade of life and affects more women (...
STEP INTO A WEB OF AXONS and dendrites surrounded by myelin, mixed with several neuroglia, and get a good look at a dog brain. It may sound crazy or even a... A Byrum - 《Chemical & Engineering News》 被引量: 2发表: 2001年 PRAGMATIC PUBLIC POLICY: APPLYING PSYCHOPHYSICS TO THE WORLD...
and fibers that approach the cortex from other areas of the nervous system are termed afferent (nerves or pathways). Fibers that go from the motor cortex to the brainstem (for example, the pons) or the spinal cord receive a name that generally reflects the connections (that is, cortico...
Because of the way neurons are shaped and the way they are often grouped together in the body, the cell bodies of neurons are often found in distinct anatomical clusters, with the axons and dendrites relegated to the structural periphery. This aggregation of cell bodies allows for the high-lev...
Step-by-Step Solution1. Identify the Cells that Produce Myelin Sheath: - The myelin sheath is produced by different types of cells depending on whether it is in the central nervous system (CNS) or the periph
Metal-rich concretions on the roots of salt marsh plants: Mechanism and rate of formation The roots of the vascular plant Spartina maritima, growing in the saltmarshes of the Tagus Estuary, Portugal are surrounded by tubular concretions whose di... B Sundby,C Vale,I Ca?Ador,... - 《...
Central VF defect or central scotoma can appear either as a uni- or bilateral field defect and has a long list of possible causes. It can result from a lesion in the papillomacular bundle of retinal ganglion cell axons, either because of choroidal, outer or inner retinal disorder in the ma...
Multiple sclerosis (MS) is a progressive, degenerative disease of the central nervous system whose distinguishing feature is the development of scattered, focal lesions of the myelin sheath of the axons.1 The disease usually strikes in the third or fourth decade of life and affects more women (...