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 superficial and deep inguinal ring

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Difference between superficial and deep inguinal ring

Superficial  inguinal ring
Deep inguinal ring
It is an oblique triangular gap in the
aponeurosis of external oblique abdominis
It is formed by an oval gap in the fascia
transversalis
It is situated 1.25cm above and lateral to
pubic crest
It is situated 1.25cm above the mid inguinal point which is a mid point between the anterior superior iliac spine and symphysis pubis
It is palpable in normal condition
It is not palpable
It forms exit of inguinal canal
It forms the entrance of the inguinal canal
It is situated below and medial to the inferior epigastric artery
It is situated above and lateral to the inferior epigastric artery
It is smaller in female  
It is larger in male










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