Definition

1. Noun:
   • Anatomical term for the armpit: The "axillary fossa" is the scientific or medical term for the hollow, concave area under the arm where it connects to the shoulder. It is the anatomical cavity containing blood vessels, nerves, and lymph nodes.

Usage Examples

• Noun:
  • During the physical exam, the doctor checked the lymph nodes in the patient's axillary fossa.
  • The surgeon made a small incision in the axillary fossa to access the underlying tissue.
  • Deodorant is typically applied to the skin of the axillary fossa.

Advanced Usage

• Clinical/Medical Context: The term is primarily used in medical, anatomical, and biological contexts. In everyday conversation, "armpit" or "underarm" is used instead.
  • The biopsy confirmed the presence of cancerous cells in the axillary fossa.
• Formal Description: Used in formal writing to describe location or procedures.
  • The rash was localized to the left axillary fossa.

Variants and Related Words

• Axilla (n): The Latin-derived synonym for "axillary fossa," often used interchangeably in medical terminology.
  • The nerves pass through the axilla.
• Axillary (adj): Pertaining to the armpit region.
  • Axillary lymph nodes, axillary temperature.

Synonyms

• Armpit: The common, everyday term.
• Underarm: A common term, often used to describe the area or products for it (e.g., underarm deodorant).

Related Phrases

• Axillary lymph node dissection: A surgical procedure to remove lymph nodes from the armpit area.
• Axillary hyperhidrosis: The medical term for excessive sweating in the armpits.

Noun

1. the hollow under the arm where it is joined to the shoulder
   • they were up to their armpits in water