A bump or swelling adorining the head and leading edge of a pectoral flipper, associated with the multiple joints and terminal phalanges as found in the multiple phalanges of the humpback whale. [ http://orcid.org/0000-0002-6601-2165 ]
This is just here as a test because I lose it
Term information
taxon notes
In a humpback the number of tubercles ranges from 9 to 11, with the first at the joint between the radius and metacarpal of digit II (with digit I absent)