GROSS ANATOMY
SKULL OSTEOLOGY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which two carpal bones could be mistaken as one?
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Trapezoid, Trapezium
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Pisiform, Trapezoid
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Scaphoid, Lunate
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Pisiform, Triquetrum
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Explanation:
Detailed explanation-1: -The pisiform is one of eight and smallest carpal bones that forms part of the wrist joint. It is a small pea-shaped bone. it develops in a tendon and is a sesamoid bone The name pisiform is derived from the Latin word pisum which means “pea". It can be felt on the anteromedial side of the wrist.
Detailed explanation-2: -The pisiform is a sesamoid bone within the tendon of the flexor carpi ulnaris that articulates with the volar surface of the triquetrum.
Detailed explanation-3: -The triquetrum is a pyramid-shaped bone (its name means three-cornered bone) located on the medial aspect of the carpus. It articulates with the lunate bone laterally and the hamate bone distally.
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