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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 vasculogenesis & angiogenesis

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Difference between vasculogenesis & angiogenesis Vasculogenesis Angiogenesis •       It is the process of formation of new vessels from blood islands •       it is the process of formation of new vessels by budding and branching from pre-existing vessels vasculogenesis generally occurs when the primary blood system is being created or changed. Angiogenesis is the growth most often associated with damaged or smaller blood vessels, Vasculogenesis occurs during the very early developmental stages of an organism when the blood vessel pathways are created. Angiogenesis, while a similar process, does not depend on the same genes for activation as vasculogenesis and occurs instead in the presence of an injury to a blood vessel, such as a cut or the slight damage done to the ovary post-ovulation. vasculogenesis creates the blood vessels . Ang...
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Difference between external urethral sphincter of male and female

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Difference between external urethral sphincter of   male and female external urethal sphincter in male external urethal sphincter in female The external urethrae,   in males, wraps solely around the urethra It constricts only urethr Females do have a more elaborate external sphincter muscle than males as it is made up of 3 parts: the sphincter urethrae, urethrovaginal muscle, and the compressor urethrae. The urethrovaginal muscle fibers wrap around the vagina & urethra.   So it   constricts both the vagina & the urethra.
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Difference between external urethral sphincter of male and female

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Difference between external urethral sphincter of   male and female  external urethal sphincter in male external urethal sphincter in female The external urethrae,   in males, wraps solely around the urethra It constricts only urethr Females do have a more elaborate external sphincter muscle than males as it is made up of 3 parts: the sphincter urethrae, urethrovaginal muscle, and the compressor urethrae. The urethrovaginal muscle fibers wrap around the vagina & urethra.   So it   constricts both the vagina & the urethra.
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Difference between Internal urethral sphincter of male and female

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Difference between Internal urethral sphincter of   male and female  Internal urethal sphincter in male Internal urethal sphincter in female Inhibit the release of urine. In males, the internal sphincter muscle of urethra functions to prevent reflux of seminal fluids into the male bladder during ejaculation. Inhibit the release of urine. No other function    
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