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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 proliferative and secretory phase of endometrium

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Difference between proliferative and secretory phase of endometrium                     Topic proliferative phase secretory phase definition when estrogen stimulate the growth of endometrium   this phase of menstrual cycle is known as proliferative phase of endometrium when estrogen and progesterone stimulate the growth of endometrium   this phase of menstrual cycle   known as secretory   phase of endometrium thickness of endometrium 2-3 mm 5mm lining epithelium Simple columnar epithelium   hypertrophy seen in simple columnar epithelium uterine gland elonged and tubular, no secretion                        ...
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Difference between monozygotic and dizygotic twin

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Difference between monozygotic and dizygotic twin  Topics Monozygotic twin Dizygotic twin Origin Single ovum fertilized by a single sperm (they are developed from one embryo splitting   into two embryos . They are developed from two different eggs, which are fertilized by sperms separately Fetal membrane 1.      monochorionic and diamniotic 2.      monochorionic and monochorionic 3.      dichorionic and diamniotic Always dichorionic and diamniotic Placenta One or two (usually one ) Two placenta Chorion One or two (usually one ) Usually two Amnion One or two (usually one ) Usually two Sex Same (two girls or two boys) Same or different (two girls or two boys or one girl and one boy ) Physic...
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