The term associated with "wrinkle" in medical terminology is:

The term associated with "wrinkle" in medical terminology is indeed rhytid/o. This root comes from the Greek word "rhytis," meaning wrinkle or fold. It is commonly used in various medical and cosmetic terms, especially in fields like dermatology and plastic surgery where discussions around skin texture and aging are prevalent.

Understanding this term is important for recognizing that medical terminology often draws from classical languages, such as Greek and Latin, to describe conditions or anatomical features.

In contrast, the other terms listed pertain to different body systems or conditions: retin/o relates to the retina in the eye, rhin/o pertains to the nose, and recumb/o refers to the position of lying down. Each of these has distinct meanings that do not connect to the concept of wrinkles or skin texture.