File:Journal of anatomy (1867) (14583960158).jpg

Identifier: journalofanatomy44anatuoft (find matches)
Title: Journal of anatomy
Year: 1867 (1860s)
Authors: Anatomical Society of Great Britain and Ireland Anatomical Society of Great Britain and Ireland. Proceedings
Subjects: Anatomy
Publisher: Cambridge (Eng., etc.) University Press
Contributing Library: Gerstein - University of Toronto
Digitizing Sponsor: University of Toronto

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al cartilages about two inches inlength; there was cartilaginous union at their extremities, which curvedslightly up toward the sternum, and ended free. The other ribs and costalcartilages w^^re normal. There was no abnormality in the vertebra?. Thesternum was slightly concave along itfe right border where it failed toarticulate with the second, third, and fourth co.stal cartilages. The xiphi-sternum was bifid ; the right limb was much smaller than the left, andwas lying to the left of the middle line parallel to the seventh left costal 70 Mr T. H. C. Benians and Mr H. Emhii Jones cartilage. The photog-raph shows very elearh the portions of the chestwall atiected, and a reference to the radiogram will demonstrate wliichportions are cartilaginous and which bony. The contour of the sternumand its centres of ossification are well seen, also the line of attachment ofthe diaphragm. In both lungs the normal fissures between the lobes were absent, andwere onh^ represented by shallow grooves.
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Microscopic examination of both breasts was made, and each was foundto contain rudimentarj^ mammary glandular elements. To summarise briefl), we find that in two distinct regions of the chestwall the hard parts were absent, their place being taken by a fibrousmembrane; that both the bony and cartilaginous parts, especially thelatter, were aftected; that remnants, well developed in themselves, of theintercostal muscles remain, whilst the more superficial pectoral muscleswere larger than normal: lastl)^ there Avas no lesion of the subcutaneousor cutaneous tissues. As regards the cause of the condition, it is not easy to speak. Itappears most likely that intrauterine pressure either of the wall of the Congenital Deliciency of a Portion of the Thoracic Skeleton 71 uterus or of some part of the fcetus was the occasioning cause. Suchincrease of pressure might arise from deficiency in the amount of amnioticfluid. Other possible causes which may be mentioned are: (1) A primarydefect in the ov

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