: In mechanical engineering, "nipples" can refer to small pipe fittings. "Seamed" could refer to the manufacturing process of the metal tubing (seamed vs. seamless), though "mature" would be an unusual descriptor in this field.
: Research into the physiological changes of the breast and nipple-areola complex over time often uses terms like "involution" or "ptosis" rather than "seamed" [5]. mature nipples seamed
If you are looking for research on or nipple reconstruction techniques , I can provide more specific papers on those topics. If this was a specific term from a text you've read, providing a bit more context would help me track down the exact reference. : In mechanical engineering, "nipples" can refer to