Verywell Health on MSN3 个月
Calluses on Hands and Fingers: Why They Form and What to Do
Calluses are hardened, thickened patches of dead skin that form on the hands or feet. They form as a physical response to ...
JSTOR Daily7 年
Studies on Callus Tissue
The callus tissues joining the scion and the stock are chiefly the product of the stock. 2. There are large accumulations of starch at the base of the scion just above the callus line. 3. During the ...