Volume 1
Descriptive catalogue of the preparations in the museum of St. Thomas's Hospital.
- Date:
- 1847-59
Licence: Public Domain Mark
Credit: Descriptive catalogue of the preparations in the museum of St. Thomas's Hospital. Source: Wellcome Collection.
Provider: This material has been provided by Royal College of Physicians, London. The original may be consulted at Royal College of Physicians, London.
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![FIRST SECTION. MINUTE ANATOMY. A.—Epithelium and Cells. 1. Epidermis from the web of a Frog's foot, showing the tesselate form of epithelimn. In this preparation, several layers of epithelium are visible. In the deeper ones the spherical form of the epithelial cells, with their nuclei, is distinctly seen ; in the more superficial, the cells have become, from compression, ^^olygonal; and in the most super- ficial layer they are reduced to mere scales, the nuclei having disappeared, their situation only being indicated by an oval depression in the centre of each scale. 2. Epithelium from the web of a Frog's foot. 3. Epitlielium from the mucous membrane of tlie stomacli, sliow- ing the cylinder epithelium. The cells in this kind of epi- thelium are seen to have a ])rismatic figure, with their apices attached to the basement membrane. 4. Epidermic scales from the skin of the Human Subject. 5 Pigment cells deprived of their pigment matter, from the choroid of a Sheep. These cells, from their mutual comjiression one against another, become polygonal, and pi'esent the ap-](https://iiif.wellcomecollection.org/image/b24758309_0001_0021.jp2/full/800%2C/0/default.jpg)
