The axilla (pl.: axillae or axillas; also known as the armpit, underarm or oxter) is the area on the human body directly under the shoulder joint.

Sep 29, 2025 · The axilla is the area located between your chest and upper arm. It’s also called an armpit or underarm. It contains blood vessels, nerves and lymph nodes.

May 28, 2026 · Find out how factors like infections and autoimmune diseases can lead to armpit pain. Learn when it's a concern and how to address it effectively.

Jan 4, 2023 · The armpit, known scientifically as the axilla, is a hollow under the arm, tucked underneath the spot where your shoulder meets your torso.

Apr 8, 2023 · It's a pyramidal space that can be found between the upper part of the arm and the side of the chest wall. This space is bounded in front and behind by axillary fold

Jul 21, 2024 · There are many causes of armpit pain, from a mild muscle strain to more serious conditions like breast cancer. Learn more about causes of armpit pain in this articl

Dec 27, 2024 · From muscle strains, bacterial and viral infections, and skin rashes, here are 9 possible causes of armpit pain and when to see a doctor.

May 14, 2025 · Why are my armpits so puffy? Dr Merrifield told Tyla that for most people, a puffy armpit is ‘just normal breast tissue or normal body fat distribution’, althou

Apr 6, 2026 · There are many possible causes of unexplained armpit pain, ranging in severity from simple muscle strain to, in rare cases, breast cancer. Read on to find out about

May 9, 2026 · Armpit pain can stem from swollen lymph nodes, skin issues, or muscle strain. Learn what’s likely harmless and what symptoms are worth a doctor’s visit.