Volume 1

The anatomy of the human body / By W. Cheselden.

William Cheselden

Date:: 1741

Credit: The anatomy of the human body / By W. Cheselden. Source: Wellcome Collection.

20/444 page 8

$° INTRODUCTION ~ Bones that are without motion, as thofe of the. {cull, the offa innominata, &c. alfo bones with. their epiphytes, when they meet, prefs into each other, and form futures, which foon difappear i in thofe that join, while their offific matter is foft ;. but thofe that grow harder before they meet, prefs. more rudely into each other, and make more un-__ even futures, fome of which in the fcull endure to the gréateft’agé: And fometimes while.a bone is _ offifying from its center, a diftant part begins a new offification, and forms a diftinG bone, which may, happen to be of any figure. Thefe bones are often-. eft found in the lambdoidal future, and are. there, called offa triquetra. But the ends or fides of bones, ‘that are intended for motion, are hindered fror uniting, by the cartilages which cover them ; for, when thefe cartilages are eroded, the bones Jas ico unite; and form an afeylotis. | | Tue ends of all the bones that are articulated a very manifeft motions, or that are not placed, againft other bones ; are tipped with epiphyfes or additional bones ; which in fome meatfure deter- mine their growth and figure ; for if they_ had no-, thing to give bounds to them, they would fhoot out like the callus from the broken ends of a bone. that is ill fet, and grow as ragged as the edges of. bones which are pinged by futures; and fometimes, epiphyfes are made ufe of to raife procefles upon, _ bones for the infertions of mufcles, as the trochan- ters of the thigh bones, where it would weaken, a ‘the’$

The anatomy of the human body / By W. Cheselden.

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