Report of a meeting of the Cancer Commission of Harvard University in aid of a hospital for incurable cases of cancer : Wednesday, April 13, 1910.

  • Harvard University. Cancer Commission
Date:
[1910]
Catalogue details

Licence: In copyright

Credit: Report of a meeting of the Cancer Commission of Harvard University in aid of a hospital for incurable cases of cancer : Wednesday, April 13, 1910. Source: Wellcome Collection.

Provider: This material has been provided by The Royal College of Surgeons of England. The original may be consulted at The Royal College of Surgeons of England.

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    ADDRESS BY PROFESSOR W. T. COUNCILMAN tumor is a new formation or growth of tissue which resembles to a greater or less degree certain of the tissues of the body. Like the tissues of the body it is com- posed of cells with a variable amount of ma- terial between the cells which is called in- tercellular substance. The cells of a tumor, representing as they do that part which is more directly concerned with its life, de- serve special consideration, and it will be necessary to say a word about cells in gen- eral. In all living things we find that cells constitute the living units. The simplest forms of both vegetable and animal life are composed of single cells which derive their nutrition from the fluids around them. Liv- ing cells vary greatly in size; some are so small as to be just visible with the highest powers of the microscope, others can be seen with the unaided eye. All have certain features in common, membrane on the out- side through which the exchange of mate- rial between the cell and the surrounding medium takes place, and an interior mass of granular material, called protoplasm, in which there lies a special stru&ure called the nucleus. In the higher animals similar kinds [ & ]
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