Medial triangular space

Last revised by Dr Nicholas Robert Watson on 07 Sep 2022

The medial (or upper) triangular space is a communication between the axilla and the posterior scapula region. It should not be confused with the similarly named lateral (lower) triangular space.

Gross anatomy

It is a medially pointing triangle with a base laterally and apex inferomedially.

Boundaries
Contents

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Cases and figures

  • Figure 1: medial triangular space
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