| 释义 |
ossification|ɒsɪfɪˈkeɪʃən|
[n. of action from ossify. So in Fr. (1709 in Hatz.-Darm.).]
1. The formation of bone; the process of becoming or changing into bone; the condition of being ossified.
centre of ossification, the initial point from which this process starts, the point at which cartilage or connective tissue begins to ossify.
1697R. Baker (title) Cursus Osteologicus: Being a Compleat Doctrine of the Bones..Shewing their Nature..manner of Ossification, Nourishment [etc.]. 1733Belchier in Phil. Trans. XXXVIII. 196 The gradual Increase of the Bones is described, even from the first Stages of Ossification, to that of an Adult. 1830R. Knox Béclard's Anat. 203 Ossification of the arteries is most commonly the lot of old age. 1831― Cloquet's Anat. 45 This bone..presents three centres of ossification, one for its middle part, and two for the lateral regions. 1855Holden Hum. Osteol. (1878) 24 The bone called the ‘sacrum’ has as many as 33 centres before its ossification is complete.
2. concr. The result of the process, a bony formation or concretion; bone as a formation.
1705W. Cowper in Phil. Trans. XXIV. 1970 The Trunks of the Arteries of the Leg..were Obstructed by Petrifactions or Ossifications. 1807M. Baillie Morb. Anat. (ed 7) 259 It would appear that ossifications are sometimes to be found in this cartilage. 1822Lamb Elia Ser. i. Chimney-Sweepers, From the mouth of a true sweep a display..of those white and shining ossifications, strikes me as..an allowable piece of foppery.
3. fig. The process of becoming hard or callous.
1889Spectator 13 Apr., A misery, not relieved..by..ossification of the feelings. |