File:American practice of surgery - a complete system of the science and art of surgery (1906) (14595861008).jpg

English:
Radiograph of a new-born child delivered at seven months. The epiphyses of the metacarpals and phalangeal bones have not yet appeared. The carpus is still cartilaginous and hence produces no shadows on the photographic plate. The humerus, radius, and ulna present no bony epiphyses. The lateral centres for the sacrum are distinct. The ilia are distinct from the os pubis to the ischia, which are united at their superior ends. The head of the femur produces no shadow, while in the knee joint the distance between the femur and the bones of the leg is quite striking.

Identifier: americanpractice01brya (find matches)
Title: American practice of surgery : a complete system of the science and art of surgery
Year: 1906 (1900s)
Authors: Bryant, Joseph D. (Joseph Decatur), 1845-1914 Buck, Albert H. (Albert Henry), 1842-1922
Subjects:
Publisher: New York : W. Wood and company
Contributing Library: University of California Libraries
Digitizing Sponsor: Internet Archive

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centres. These bones usually ossify during the first fewmonths of life. In an infant at the age of fifteen months we are accustomed tofind the lower epiphysis of the radius manifesting itself first as a small point.During the second year of life these two bones, the os magnum and theunciform, and the lower epiphysis of the radius increase in size, while as theirgrowth advances we find that the proximal epiphyses of the first row of thephalanges begin to make their appearance. The next carpal bone that can be distinguished is the cuneiform. Fig. 148,which represents the hand and wrist of a child at five j^ears of age, shows fourof the carpal bones present, namely, the os magnum, the unciform, the cunei-form, and the semilunar. The lower epiphysis of the radius is well formed.The lower epiphysis of the ulna has not yet appeared. The epiphyses of thephalanged bones are all more or less distinctly visible, while the metacarpalsshow their distal epiphyses. 580 AMERICAN PRACTICE OF SURGERY.
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