During the 5th and 6th week of gestation, the human embryo possess a tail with 10 -12 caudal vertebrae which regresses by reduction in the number of vertebrae and fusion, leaving the vestigial coccyx. Hence, the true human tail is a vestigial structure and never contains vertebrae. It has been suggested that true tail is a dermal appendage coincidentally located in …
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Diabetes Mellitus (DM) is a chronic disorder of glucose metabolism with hyperglycemia triggered by conditions associated with a relative or absolute insulin deficiency. Insulin is an anabolic hormone with profound effects on the metabolism of carbohydrate, fat and protein. Less severe hyperglycemia is called Impaired Glucose Tolerance (IGT) which is associated with an increased risk of developing diabetes in future. …
This is a collection of a large number of important clinical and radiological signs in surgery. Most of these are eponyms. Comment to add more signs to this list.
Basilar skull fracture:
Racoon/Panda sign: Periorbital ecchymoses
Battle’s sign: Retroauricular (Over mastoid process) ecchymoses
Seat-belt sign: Ecchymotic area found in the distribution of the lower anterior abdominal wall and can be associated with perforation …