An etiological nosology of diseases of the skin / by Thomas Laycock.
- Thomas Laycock
- Date:
- 1862
Licence: Public Domain Mark
Credit: An etiological nosology of diseases of the skin / by Thomas Laycock. Source: Wellcome Collection.
Provider: This material has been provided by The University of Glasgow Library. The original may be consulted at The University of Glasgow Library.
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![Doubtful group. a. Acne—A. vulgaris, A. rosacea, from Acarus folliculorum ? Sycosis faciei ? Impetigo faciei % b. Lupus—L. serpi- ginosus L.exedens'? MoUuscum contagiosum? (c) Phtheiriasis—a. Morbus pediculosus. From pediculi: P. capitis, P. pubis, P. corporis. 6. Prurigo—P. vulvoe ] P. podicis ? (cZ) Pulicular Diseases. From the pulox—a. Ma- culae pulicul ares (flea-bites), b. Abscessus pedis (ova of Pulex penetrans), ii. Epiphytic Diseases—Diseases of the skin, caused by the multiplication of microscopic fungi and algse on the cpiderma, in the sebaceous ducts and hair-follicles, and on the hairs. They are congestive, effusive, and ulcerative, and lead to desquamation, and to atrophy of the hair. (a). Ringworms.—Circular inflammations of the cpi- dei'ma, usually desquamative, but sometimes con- gestive only, or ending in effusion, suppuration, or ulceration, AA-ith impaired nutrition of the hair. Seat the epiderma and hairs or hair-papillse; cause a microscopic fungus—the Tricophyton tonsurans (Gruby) or Tricophyton decalvans (Malmsten) or Microsporon Andouini. a. Ringworms of the scalp, characterised by desquamation and baldness. Trichosis (Mason Good). Trichosis furfuracea; Ti'ichouosis furfur; Tinea tonsurans; Porrigo furfurans, P. scutulata, P. circinata, P. tonsorea, P. decalvans; Alopsecia circumscripta, A. areata, A. gj'rata; ophiasis, b. Ringworms of the face, limbs, and trunk. Inflammation papular, ending in scales or vesicles. Varie- ties, Lichen and Herpes—L. circumscriptus, L. annulatus, L. gyratus, L. marginatus, L. figuratus, L. serpiginosus; Herpes circin- atus, H. circinatus phlyctenoidcs, Pemphigus circumscriptus. c. Squamous ringworms. Doubtful as to epiphytic causes. Varieties: Lepra vulgaris ; Psoriasis gyrata, P. circum- scripta, P. centrifuga, P. palmaris. (6.) Tinea or Favus. — Figurate or uncircumscribed diseases of the sebaceous glands and haii'-follicles of the scalp, face, and trunk, extending to the epiderma, and ending in scales, crusts, excoriations, pustules, or ulcers. Causes : the Achorion Schon- leinii (Remak).](https://iiif.wellcomecollection.org/image/b21481234_0021.jp2/full/800%2C/0/default.jpg)
