| 释义 |
▪ I. ‖ pleura Anat. and Zool.|ˈplʊərə|
Pl. -æ.
[med.L., a. Gr. πλευρά side of the body, rib.]
1. One of the two serous membranes, right and left, which line the thorax and envelop the lungs in mammals; each is reflected on itself so as to form a closed sac, one side or layer of which (pulmonary pleura) invests the lung, while the other (costal pleura or parietal pleura) is attached to the inner wall of the chest.
Sometimes applied to the upper part of the common membranous lining of the thorax and abdomen in vertebrates below mammals (peritoneum or pleuroperitoneum).
1664Power Exp. Philos. i. 40 The Heart in this Animal [lamprey] is..cemented and glewed as it were on all sides to the Pleura, or innermost skin of the Thorax. 1748Hartley Observ. Man i. i. 96 The Vibrations excited in the Pleura and Peritonaeum. 1876J. S. Bristowe The. & Pract. Med. (1878) 454 Malignant disease of the lungs and pleuræ.
2. In invertebrates:
a. Name for a part of the body-wall on each side in arthropods; in insects, the part to which the lower wings are attached. (Cf. pleuron.)
1826Kirby & Sp. Entomol. III. 380 (The Pleuræ). The space behind the scapulars, on which the lower organs of flight are fixed. Ibid. 574 Pleura. By this name I would distinguish the part which laterally connects the metathorax and postpectus. It includes in it the socket of the secondary wings.
b. In molluscs, The region on each side of the rachis of the lingual ribbon of the odontophore.
1851Woodward Mollusca i. 28 The teeth on the pleuræ are termed uncini; they are extremely numerous in the plant-eating gasteropods. 1866Tate Brit. Mollusks iii. 50 The lateral areas are called the pleuræ. 1872Nicholson Palæont. 163 The pleuræ are in one piece with the axis, but are separated from it by a more or less pronounced groove, the ‘axal furrow’.
▪ II. pleura
plural of pleuron, pleurum. |