ID# 893:
"Radiographic study of physical growth in children," by T. Wingate Todd
Date:
Circa 1920
Pages: (1|2|3|4)
Source:
Rockefeller Archive Center, Ser 3, Box 43, Folder 449, Laura Spelman Rockefeller Memorial Collection
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&quote;Radiographic study of physical growth in children,&quote; by T. Wingate Todd

Seven years. Woolliness of adjacent diaphysial ends of femur and tibia indicating a pause in growth. Eight years. Etching of tibial articular surface begins. Nine years. Inequality of vertical growth of osseous tissues in the femoral epicondyles is well marked, the medial increasing more rapidly than the lateral. Ten years. Beak formation on femoral epiphysial shadow in trochlear area. Eleven years. Squaring of the lateral margins of the epiphysial shadows. Twelve years. Extension of bony epiphyses to overlap lateral margins of the shafts of tibia and femur. Thirteen years. Etching of the tibial spines. One or two instances will serve to show the freedom of skeletal maturity equally from the influence of aberrant skeletal dimensions and from anomalous conditions in other tissues such as excess of fat. (Radiographs of a thirteen year old giant and a ten year old fat boy were shown). [handwritten]Index is computed from length and breadth of tibia just below the knee. Dr. Heilman at Am. Museum is working out order of union of epiphyses in hand.

Copyright 1999-2004: Cold Spring Harbor Laboratory; American Philosophical Society; Truman State University; Rockefeller Archive Center/Rockefeller University; University of Albany, State University of New York; National Park Service, Statue of Liberty National Monument; University College, London; International Center of Photography; Archiv zur Geschichte der Max-Planck-Gesellschaft, Berlin-Dahlem; and Special Collections, University of Tennessee, Knoxville.
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