It is clavus when there is a strong pulsation, conveying the sensation of a nail piercing the part.
In mediæval times the cross in a circle was sometimes called the “clavus” .
The figures of D. clavus by Albertini and Schweinitz are excellent, as also the description.
On his later map clavus has made up for the want of names in an astonishing way.
I think this is attributing to clavus rather too much original thought, of which his maps and text do not otherwise give evidence.
His togas 224 were neither scanty nor full; and the clavus was neither remarkably broad or narrow.
Claval suture: Hemiptera; at the base of hemelytra, separating the clavus.
They appear to be the origin of the “clavus” or nail-headed pattern woven into silks in the Palace of the Cæsars.
The adjective hystericus is an improper and inadequate definition of the circumstances under which clavus arises.
Some of the worst cases of clavus, probably, that have ever been seen were developed in the old days of phlebotomy.
clavus cla·vus (klā'vəs, klä'-)
n. pl. cla·vi (-vī')
A condition resulting from healing of a granuloma of the foot in yaws, in which a core falls out, leaving an erosion.