Anterior axillary fold

Plica axillaris anterior

  • Latin synonym: Plica axillaris ventralis

Definition

The anterior axillary fold, also known as the anterior armpit fold, refers to the inferior border of the anterior wall of axilla. It is created by the axillary skin covering the muscle fibers of the pectoralis major muscle, which extend sideways to attach to the outer rim of the bicipital groove of the humerus.

References

Text written by Muhammad A. Javaid, MD, PhD © 2023 IMAIOS.

  • Gordon, A. and Alsayouri, K. Anatomy, Shoulder and Upper Limb, Axilla. [Updated 2022 Jul 25]. In: StatPearls [Internet]. Treasure Island (FL): StatPearls Publishing; 2022 Jan-. Available from: https://www.ncbi.nlm.nih.gov/books/NBK547723/

  • Drake, R.L., Vogl, A.W. and Mitchell, A.W.M. (2009). ‘Chapter 7: Upper Limb’ in Gray’s anatomy for Students. (2nd ed.) Philadelphia PA 19103-2899: Elsevier, pp. 686.