posterior triangle

noun

Medical Definition of posterior triangle

: a triangular region that is a landmark in the neck, has its apex above at the occipital bone, and is bounded in front by the sternocleidomastoid muscle, behind by the anterior margin of the trapezius, and inferiorly by the middle third of the clavicle — compare anterior triangle

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Dictionary Entries near posterior triangle

posterior temporal artery

posterior tibial artery

posterior tibial vein

posterior triangle

posterior ulnar recurrent artery

posterior vein of the left ventricle

posterior vitreous detachment

Cite this Entry

“Posterior triangle.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/posterior%20triangle. Accessed 6 May. 2021.

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