wheal

https://doi.org/10.1351/goldbook.13783
Circumscribed papule or plaque of edema of the skin, occurring as an urticarial lesion.
See also: hives
Source:
PAC, 2012, 84, 1113. (IUPAC glossary of terms used in immunotoxicology (IUPAC Recommendations 2012)) on page 1260 [Terms] [Paper]