Multiple choice

All the following muscles are attached to the oblique line of thyroid cartilage except

  1. sternothyroid

  2. cricothyroid

  3. superior constrictor

  4. inferior constrictor
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C Correct answer
Explanation

Superior constrictor is inserted into the median raphe, being also prolonged by means of an aponeurosis to the pharyngeal spine on the basilar part of the occipital bone.Sternothyroid arises from the posterior surface of the manubrium sterni inferior to the origin of sternohyoid and from the posterior edge of the cartilage of the first rib. It is attached above to the ablique line on the thyroid cartilage, where it delineates the upward extent of the thyroid gland. 

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