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

William Cheselden

Date:: 1795

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

22/454 page 8

$’ Bones that are without motion, as thofe of:the fcull, the offa inntominata, &c. alfo bones with their epiphyfes, when they meet, prefs into each other, and form futures, which foon difappear in thofe that join, while their offific matter is. foft ; but thofe that grow harder before they meet, prefs more rudely into éach other, and make more un- even futures, fome of which in the {cull endure to the greateft age: and fometimes while a bone is offifying from its centre, a diftant part begins a new offification, and forms a diftin@ bone, which may happen to be of any figure. Thefe bones are often- eft found in the lambdoital future, and are there called offa triquetra. But the ends or fides of bones uniting, by the cartilages which cover them ; for when thefe cartilages are eroded, the bones very readily unite, and form an ancylofis. | The ends of all the bones that are articulated for very manifeft motions, or that are not placed againft other bones; are tipped with epiphyfes or additional bones; which in fome meafure de- termine their sebul and figure ; for if they had out like the callus, from the broken ends of a bone that is ill fet, and grow as ragged as the edges of bones which are joined by futures ; and fometimes epiphyfes are made ufe of to raife procefles upon bones for the infertions of mufcles, as the trochan- ters of the thigh bones, where it would weaken | the Se ee ee —_—s . 7 —— —— an,$

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

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