MICROANATOMY

Detailed explanation-1: -The lymph nodes in the armpits are called axillary lymph nodes. The number of axillary lymph nodes can vary from person to person. Typically, a person has 20–30 axillary lymph nodes. After a breast cancer diagnosis, a doctor may check whether cancer cells have spread to the axillary lymph nodes.

Detailed explanation-2: -The axillary lymph nodes reside in the axillary pad of fat and fall into five groups. [3] Every group of lymph nodes receives lymph from a specified, nearby region. Anterior (pectoral) lymph nodes are along the inferior border of pectoralis minor, near the lateral thoracic vessels.

Detailed explanation-3: -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.