File:Medical diseases of infancy and childhood (1900) (14579925520).jpg

Identifier: medicaldiseaseso00will (find matches)
Title: Medical diseases of infancy and childhood
Year: 1900 (1900s)
Authors: Williams, Dawson, 1854- (from old catalog) Churchill, Frank Spooner, 1864- (from old catalog) ed
Subjects: Children
Publisher: Philadelphia and New York, Lea brothers & co.
Contributing Library: The Library of Congress
Digitizing Sponsor: The Library of Congress

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in this disease (malignant) the reds show a well-marked secondary anaemia. Fig. Y. Trichixosis.—A marked leucocytosis is shown, consisting of an eosino-philia. Fig. VL Lymphatic Leukemia.—Slight anaemia. A large relative and abso-lute increase of the lymphocytes (chiefly the small lymphocytes) is shown. Fig. VII. Spleno-myelogenous Leukaemia.—The reds show a secondaryanaemia. Two normoblasts are shown. The leucocytosis is massive. Twenty leuco-cytes are shown, consisting of nine neutrophiles, seven myelocytes, two small lympho-cytes, one eosinoi)liile (polymorphonuclear) and one eosinophilic myelocyte. Notethe polymorphous condition of the leucocytes, i. c, their variations from the typicalin size and form. Fig. VIII. Varieties of Ked Corpuscles.—a. Normal Eed Corpuscle (nor-mocyte). 6, c. Anaemic Red Corpuscles, d-g. Poikilocytes. li. Microcyte. i.Megalocyte. j-n. Nucleated Red Corpuscles. J, k. Normoblasts. I. Microblast.m, n. Megaloblasts. (Prepared by Dr. I. P. Lyon. ) f^/
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FtyV/// 6o6t4QU(^^44«g pmn—mmr^mti SECOXDARy AX.EMIA. 2-49 i>v. organism is more sensitive to, and more seriously disturbed bmorbid proeesses than is the adult, and the blood but shares in thisgeneral peculiarity. As in all the processes of these periods, bothphysiological and pathological, irregularity and instability are marked;hence slight causes produce greater disturbances. The blood, there-fore, is easily affected, shows changes quickly, and the relative pro-portion of the whites is disturbed. There is a general tendency to revert10 the fcetal type of blood. Leucocytosis is more easily produced andto a greater degree, and is generally a lymphocytosis, the infantile type.Splenic enlargement is common in all the anaemias of infancy.) Ana?mia may be primary, due to a disorder of the blood itself, or-ocondary, due to derangement of other organs of the body. Theic-ndency of recent observations is to reduce the number of forms ofana?mia which can properly be regarded as primary.

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