1A pale fringe spot

Abbreviation: 
1APFS
Definition: 

The pale fringe spot located at the outer end of the anal vein. See pale fringe spot.

Synonyms: 
fringe spot 1A
Scratchpads developed and conceived by (alphabetical): Ed Baker, Katherine Bouton Alice Heaton Dimitris Koureas, Laurence Livermore, Dave Roberts, Simon Rycroft, Ben Scott, Vince Smith