Lectures on acne, acne rosacea, lichen and prurigo / by Tom Robinson, Physician to St. John's Hospital for Skin Diseases.
- Robinson, Tom
- Date:
- 1884
Licence: Public Domain Mark
Credit: Lectures on acne, acne rosacea, lichen and prurigo / by Tom Robinson, Physician to St. John's Hospital for Skin Diseases. Source: Wellcome Collection.
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![liver oil insitle, and applied locally, is of such signal service in these cases. It suj)plies fat to the secretion. Again, during cold weather, when the seba- ceous matter is partially frozen like any other oily substance, we shall frequently find round ])atches of skin dry and scaly, especially on the face, and when this occurs we have what the laity call chajiped hands and face, which in {etiological phraseology is due to a too thick sel){iceous secretion, which is not poured out in sufficient quantity upon the cut{i- neous surface. We remedy this condition by oil or glycerine, and by avoiding soa]), which is an irritant in these cases, because it actually sa])onifies the secretion, which is {dreiidy too scanty, and we prevent its recur- rence by warmth. We might reasonably include in our grou]) ichtliijosis, which as you doubtless know, is an {djsence of sebaceous follicles, either on the whole or a part of the cutaneous surfiice. When the contents of a sebaceous gland become so firm that its constituent elements coalesce, we have horn; in point of fact, the horns of the lower animals are simply off-](https://iiif.wellcomecollection.org/image/b29012909_0023.jp2/full/800%2C/0/default.jpg)
