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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![organism, in Avliicli tliis secretion takes its part. Persons whose skins are thick and greasy, whose hair and whose nails grow fast, whose heads are scurfy, who are sleepy and stupid, who look muddy, and are often the subjects of stomach derangements ; these are the subjects of acne. Believing that this over-secretion does occur, we must follow out the effect of this bloated gland. The first stage is an elevated spot with a black head, which can easily be raised from its bed, and as we all know if squeezed a column of sebaceous matter bulges uji like a maggot; hence the name (Comedo) Avith a black head, d’his black head is simply due to dirt blocking up the orifice of the gland. If we ])lace this secretion on a slide, we find nothing beyond e])idermic scales and oil globules. According to Gustaf Simon a six- leeriTod parasite Avith a lonof belh’’ is common in these .sacs. 1 haA'e neA^er seen it, although I haA’e looked for it manv times. If the OA’ei’-secretion of the gland occurs in sebaceous follicles Avithout an excretory duct, Ave baA’e the round pearly Avhite bodies, Avhich are so common about the eyelids, and](https://iiif.wellcomecollection.org/image/b29012909_0019.jp2/full/800%2C/0/default.jpg)
