Researches into the comparative structure of the liver / by Joseph Leidy.

  • Leidy, Joseph, 1823-1891.
Date:
[1848?]
Catalogue details

Licence: Public Domain Mark

Credit: Researches into the comparative structure of the liver / by Joseph Leidy. Source: Wellcome Collection.

Provider: This material has been provided by the National Library of Medicine (U.S.), through the Medical Heritage Library. The original may be consulted at the National Library of Medicine (U.S.)

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    It it man subject. Bj ' ■ i a Li lot, M. D. Tin' immortal Goethe, I believe, was the first to point out the existence a Ofl 1111 < 1111.1x11 l.ii ■: in the '. but it has only been in an abnormal condition] or where tl ion with some cases of hare-lip; and the period i life in which it it (bond aa a d limits, have not yet b< elydetermii The universality of the | rillare in all ■nimali below man. in an abnormal condition in man, always defined by a lateral fissure which chai ;,1C uniform existence of a trai behind the incisive alveoli oi the os maxillare superius of the human fetus at birth, have led man] peel its normal and independent existence in the embryotic condition of man at an earlier period than it has been Bought for. As the negro in his ssatomical characters is not so hi ramoTed fr embryological condition as the whiti. it is to be presumed tl bone* tinctj and undei inch an in times desired medical students, from o ,,,.., tte anatomy of the oegro an frequent, to m inquiry. Such an opii annot be considered nnwortlrj • ■ ll is recollected that Tschudi mentions the existence of atru a constant condition, in certain branches of the aborigiiial inhal the Chinchas, Aymaras and Huancas. Recently having had an opportunity ol examining several human « one of them I was fortunate enough to detect the intermaxillary I tinct and independent piece. Tins embryo measured one inch and eleven lines from heel to vertex, and 1 presumed it to be about nine or ten weeks old. |„ lt ossification had already advanced in the Wperioi maxUlarj and , maxillary bones sufficiently to give them a determinate form, and theirs ance, when magnified, is represented in the figures Land 2, whit* were te from the specimens through the aid of the camera lucida. Fur. i.