The axillary region (also known as the arm pit) is a pyramid-shaped area located between the shoulder girdle and thorax. It serves as a space for neurovascular and lymphatic structures to travel through to รขโ‚ฌยฆ The axilla (pl. :

Also known as the armpit, underarm or oxter) is the area on the human body directly under the shoulder joint. The meaning of armpit is the hollow beneath the junction of the arm and shoulder. How to use armpit in a sentence.