umbilicationn.
/ʌmbɪlɪˈkeɪʃən/ Pathology.
A central depression on the upper part of a pock or other vesicle on the skin; also, the condition of being so depressed.
ΘΚΠ
the world > health and disease > ill health > a disease > eruption > [noun] > spot of > control of
umbo1822
umbilication1873
1873 F. T. Roberts Handbk. Med. 182 After a while the umbilication disappears, the pock becoming either rounded or pointed at the top.
1881 A. Flint Treat. Princ. Med. (ed. 5) 618 The umbilication, which can sometimes be felt on the cancerous nodules, may be of assistance in the diagnosis.
1899 T. C. Allbutt et al. Syst. Med. VIII. 876 As the tumour increases in size, one or more depressions, or umbilications, are observed on the surface.
This entry has not yet been fully updated (first published 1921; most recently modified version published online June 2018).
<
n.1873