Definition: (noun) Your axilla is your armpit, the rounded hollow beneath your shoulder where your arm and body meet. Located in your axilla is your axillary artery and vein, nerves, a cluster of lymph nodes, as well as fat and other tissue.
Pronunciation: ag-ZIL-ah
Also Known As: axillary fossa
Common Misspellings: auxilla, acilla
Examples:
Breast cancer may sometimes form a lump outside of your breast in your axilla, in the lymph nodes under your arm. A sentinel lymph node biopsy is the test which checks your axillary nodes for cancer and micrometastases.
