Provide definition for hidradenitis.

• A. Swelling of lymph nodes.
• B. Inflammation of sweat glands.
• C. Infection of hair follicles.
• D. Infestation of the skin.

Answer: (B)

Verified step by step guidance

1. Identify the root components of the term 'hidradenitis': 'hidr-' or 'hidro-' refers to sweat, 'aden' means gland, and '-itis' indicates inflammation.
2. Combine these components to understand that 'hidradenitis' refers to inflammation related to sweat glands.
3. Differentiate 'hidradenitis' from other conditions such as swelling of lymph nodes (lymphadenitis), infection of hair follicles (folliculitis), and infestation of the skin (such as scabies or lice).
4. Confirm that the correct definition of 'hidradenitis' is inflammation of sweat glands based on the breakdown of the term.
5. Summarize that 'hidradenitis' specifically describes a medical condition involving inflammation of the sweat glands, which helps distinguish it from other similar-sounding conditions.