IMMUNOLOGY

Detailed explanation-1: -plural axillae-(ˌ)ē, -ˌī or axillas. : the cavity beneath the junction of the arm or anterior appendage and shoulder or shoulder girdle containing the axillary artery and vein, a part of the brachial plexus of nerves, many lymph nodes, and fat and areolar tissue. especially : armpit.

Detailed explanation-2: -Listen to pronunciation. (ak-SIH-luh) The underarm or armpit.

Detailed explanation-3: -The armpit is also called the axilla. Blood and lymph vessels serving the arm travel through the armpit. There are more than 20 lymph nodes (small lumps of tissue that are part of the body’s lymphatic system, which helps fight infection) in the armpit.

Detailed explanation-4: -Another common word for armpit is “underarm, ‘’ while the official anatomical term is axilla.

Detailed explanation-5: -The axilla is an anatomical region under the shoulder joint where the arm connects to the shoulder. It contains a variety of neurovascular structures, including the axillary artery, axillary vein, brachial plexus, and lymph nodes.