Revision 12 for 'Lateral triangular space'

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Lateral triangular space

The lateral triangular space is a space connecting the axilla to the posterior compartment of the arm. It is also called the triangular interval or lower triangular space 1. It should not be confused with the similarly named medial (upper) triangular space.

Gross anatomy

It is a downwards pointing triangle with a base superiorly and apex inferiorly.


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