Convex removable covering of a part.

The upside-down cuplike part of a fruit body whose undersurface bears the basidia in a hymenium on gills, teeth, tubes, veins, or smooth surfaces.

A covering which protects something.

An artificial hard covering for a damaged or broken tooth.

The structure at the 5′ end of eukaryotic mRNA, introduced after transcription by linking the terminal phosphate of 5’GTP to the terminal base of the messenger RNA. The added G (and sometimes other bases) is methylated.

A limit on the amount of money which may be spent for a given purpose. A global budget for health care for a community would be such a cap.

A covering or a cover-like part. The duodenal cap is the superior part of the duodenum as seen on X-ray after a barium meal.