乳房

1. Origins, structure, and basic meaning

• Structure: The anatomical noun 乳房 (にゅうぼう) denotes the mammary gland or breast of a mammal.
• Basic usage: It occurs in neutral technical descriptions, such as labeling a cow's glands or comparing 乳房の位置 across mammals.

2. Common pitfalls and similar expressions

• An anatomical organ
  • It fits neutral technical contexts such as anatomy and veterinary study rather than casual appearance descriptions.