The Meaning of naika [内科] In Japanese

内科
ないか
Romaji: naika N5

What does 内科 mean?

Translation and Meaning

internal medicine, internal medicine department

Definition

内科 means internal medicine. It is the medical specialty that focuses on non-surgical diagnosis, treatment, and ongoing care of diseases affecting adults, emphasizing broad clinical assessment and long-term management.

Type

noun (名詞)

Stroke Order

Meanings

  • Department or division in hospitals focusing on non-surgical care for adults.
  • The medical specialty responsible for diagnosing and treating a wide range of conditions that affect the body’s internal systems without surgery.
  • Practitioners in this field are called internists; the term also appears on signage for the internal medicine department.

Etymology

内 is read nai or uchi meaning inside; 科 is read ka and means department or branch; together they form a compound that designates the medical field addressing internal body processes.

Composition

  • 内: inside, inner
  • 科: department, division
  • Combination: inside department; denotes the medical field addressing diseases of the body’s internal systems

Usage

Used in formal medical contexts including hospital departments, outpatient referrals, medical records, and clinical discussions; commonly paired with modifiers to specify scope, like 総合内科 or 内科学; appropriate for formal reports and patient communication in clinical settings.
💡 Tips
Mnemonic: picture a doctor opening a door labeled 内科 to peek inside the body’s organs, linking ‘inside’ with a department and helping you recall the meaning.

Variations

  • 内科学 (naikagaku) — the science or study of internal medicine
  • 総合内科 (sōgo naika) — general internal medicine or the general internal medicine department
  • 内科領域 (naika-ryōiki) — the internal medicine domain or field

Example Phrases

  • 今日は 内科 で 健康診断を受けた。
    Kyou wa naika de kenkou shindan o uketa.
    Today I had a health check-up at the internal medicine department.
    Lista:
    • 今日は (kyou wa) – direct translation in en
    • 内科 (naika) – direct translation in en
    • で (de) – direct translation in en
    • 健康診断を (kenkou shindan o) – direct translation in en
    • 受けた (uketa) – direct translation in en
    Here 「内科」 means the internal medicine department; で indicates location.
内科