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  1. Axilla - Wikipedia

    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.

  2. 16 Possible Reasons Why Your Armpit Is Hurting - Verywell Health

    6 days ago · 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.

  3. Axilla (Armpit) Anatomy - Cleveland Clinic

    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.

  4. Armpit Pain: 9 Common Causes And When To See A Doctor

    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.

  5. Armpit Pain: Causes, Treatment, and More - Healthline

    May 31, 2024 · Armpit pain can occur for many different reasons. Causes of armpit pain can range from minor issues such as skin irritation from shaving and muscle pulls to serious …

  6. Armpit (Human Anatomy): Picture, Function, Parts, Conditions

    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 folds. The lymph …

  7. ARMPIT Definition & Meaning - Merriam-Webster

    The meaning of ARMPIT is the hollow beneath the junction of the arm and shoulder. How to use armpit in a sentence.

  8. Axilla - Structure, Function, Diagram, Anatomy, Significance

    Dec 31, 2024 · The axilla, commonly referred to as the armpit, serves as a vital anatomical passageway that allows for the transmission of critical structures between the neck, thorax, …

  9. Armpit pain: Common causes and treatments - Medical News Today

    Apr 24, 2025 · Armpit pain is often a sign of overexertion or muscle strain. However, it can indicate an underlying condition, such as an infection, lupus, or shingles. Are you experiencing …

  10. Armpit Anatomy: What Muscles Are Hiding Under There?

    Jun 25, 2025 · The armpit, also known as the axilla, is a pyramid-shaped area located between the shoulder girdle and thorax. It contains several muscles, including the serratus anterior, …