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Comparison between tract and nerve

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  Comparison between tract and nerve Nerve Nerve contain bundle of axons (nerve fibers) in the peripheral nervous system (PNS) that transmits signals between the central nervous system (CNS) and other parts of the body. It is the most important part of peripheral nervous system Location: Peripheral nervous system. Structure: Made of axons, connective tissue layers (endoneurium: axon is surrounded by it , perineurium: bundle of axons are surrounded by it, epineurium: whole nerve trunk is surrounded by it), and blood vessels. It gets myelination by Schwann cell   Function: Carries sensory signals to the CNS (afferent) from peripheral part of body or motor signals carry from from the CNS (efferent) to target organs like skeletal muscle, cardiac muscle, smooth muscle or glands Example: Sciatic nerve, median nerve, except optic nerve (though optic nerve is technically part of CNS in develop...
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Difference between male and female mandible

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Difference between male and female mandible Topics Male Female General size Larger and thicker Smaller and thinner Chin Square Rounded Body height At symphysis greater At symphysis smaller Ascending ramus Greater breadth Smaller breadth Angle of body and ramus Less obtuse (close to 90 ® ) prominent is everted More obtuse (close to 110-125 ® )not prominent inverted Condyles Larger Smaller Bigonial breath Longer Smaller Bicondylar breath Longer Smaller Coroidal breath Longer Smaller Inferior border of mandible Irregular Straight Posterior border of ramus of mandible Angulated Straight  
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Difference between ventral and dorsal root of spinal nerve

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Difference between ventral and dorsal root of spinal nerve The ventral and dorsal roots of spinal nerves are important  structures in the peripheral nervous system that connect the spinal cord to the body. They give motor and sensory supply of very large areas of body . 1. Ventral Root (Anterior Root) is c omposed of motor (efferent) fibers that originate from the anterior horn of the spinal cord which developed from basal plate of mantle layer of neural tube which carries impulses from the spinal cord to muscles and glands . It contain  two  functional components of motor parts : General somatic efferent give motor supply to the skeletal muscle and general visceral efferent give motor supply to smooth muscle cells of viscera and gland. This root controls voluntary and involuntary movements . Damage to the ventral root leads to motor deficits , such as paralysis. 2. Dorsal Root (Posterior Root) is c omposed of sensory (afferent) fibers that originate from sens...
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Difference between medial and lateral meniscus

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                         Difference between medial and lateral meniscus Medial meniscus Lateral meniscus It is Crescent shape   It is Circular in shape   It covers small area of articular surface It covers large area of articular surface It is broader posteriorly than anteriorly It is uniform anteriorly and posteriorly Bigger than lateral meniscus Smaller than medial meniscus Fixed Movable It is firmly bind with tibial collateral ligament It is separated from fibular collateral ligament by popliteus muscle It is not related with any muscle It is grooved laterally by tendon of popliteus Its anterior horn is situated just in front of anterior coronary ligament ...
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