The anatomy of the human body / [William Cheselden].

  • William Cheselden
Date:
1732
Catalogue details

Licence: Public Domain Mark

Credit: The anatomy of the human body / [William Cheselden]. Source: Wellcome Collection.

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    being vatioufly ufed by authors, and being but of fmall confequence, I give the fhorteft account that I can of them. © An articulation for manifeft motion, is called Diarthrofis; for obfcure mo- tion, Synchondrofis ; ; and that kind’ which is without motion, Synarthrofis. DrartTHrRosis, is divided into two kinds, viz. Enarthrofis and Ginglymus. Enarthrofis is where a round head is received into a round cavi- ty, which mechanicks call the ball and focket ; though none of the articulations in a humane body fully refemble that, unlefs the upper end of the thigh bone, with the Os Innominatum. Gingly- mus is always defcribed by authors to be where a bone receives, and is received ; which is right, where they are joined fomewhat like hinges, as the oblique proceffes of the Vertebre of the loins, where authors ufually take two joints to make a Ginglymus, that it may anfwer their de- fcriptions, tho’ any one of thofe joints is a true Ginglymus, But in the other Vertebra, and in the articulation of the Ulna, with the Os Hu- meri, and that of the Radius with the Ulna, there being only the motion of hinges, without the form to give thefe joints this denomination ; we may for the fame reafon call every joint a Ginglymus, whofe property is only to bend and extend, as the knee, ankle; &c. And what makes it more neceffary to bring thefe joints un- der this head, is, that they are reducible to no other. SYNCHON-
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