| 释义 |
intercalarium Zool.|ˌɪntəkəˈlɛərɪəm|
Pl. -ia. Also interˈcalare, interˈcalary.
[mod.L., neut. sing. of L. intercalārius intercalary a.]
1. An element found between adjacent neural arches in the vertebral column of elasmobranchs and certain other fishes.
1887Proc. Zool. Soc. 31 Intercalaria are absent in the hæmal tube [of the shark, Carcharodon rondeletii]. 1922J. F. Daniel Elasmobranch Fishes iii. 49 Each dorsal intercalary [is perforated] by the dorsal root of the same [sc. spinal] nerve. 1925J. S. Kingsley Vertebr. Skeleton 28 (caption) Intercalaria. Ibid., The ring with arches is called the centrum, the one without is an intercentrum or intercalare. 1967Jrnl. Linn. Soc. (Zool.) XLVII. 186 In Polyodon, dorsal intercalaries may be absent in the abdominal region, but they are usually present in the caudal.
2. In cypriniform fishes, an ossicle forming part of the Weberian apparatus linking the inner ear with the swimbladder.
1893Phil. Trans. R. Soc. B. CLXXXIV. 83 Like the scaphium [in Macrones] the intercalarium consists of ascending and horizontal processes united at nearly a right angle. 1962K. F. Lagler et al. Ichthyol. viii. 248 These ossicles are derived from the apophyses of anterior vertebrae; the hindmost of them, the tripus, touches the anterior wall of the gas bladder and is connected with a ligament to the next bone, the intercalare. 1970Amer. Mus. Novitates No. 2428. 16 The intercalarium is attached to the tripus by a very dense, elongate ligament. |