| 单词 | anterior pyramid |
| 释义 | > as lemmasanterior pyramid a. Anatomy. Any of various structures of more or less pyramidal or conical form; spec. (a) each of the conical projections of renal medulla into the pelvis of the kidney (also called Malpighian pyramid); (b) the petrous part of the temporal bone; (c) (more fully anterior pyramid) each of two bundles of corticospinal nerve fibres located on each side of the median fissure of the ventral surface of the medulla oblongata. ΘΚΠ the world > life > biology > physical aspects or shapes > shape > [noun] > cone or pyramid pyramid1703 conus1885 the world > life > the body > nervous system > cerebrospinal axis > brain > parts of brain > [noun] > medulla oblongata > parts of or associated with pyramid1703 restiform body1815 olivary body1826 olivary eminence1828 oliva1845 postpyramid1868 olive1881 ventripyramid1882 1703 tr. P. Dionis Anat. Humane Bodies Improv'd 158 When the Urine is thus separated, they empty it into several small Pipes, which re unite and so form the Mammillary Pyramids. 1712 Philos. Trans. 1710–12 (Royal Soc.) 27 75 These Pyramids, which receive the Hairs, are impacted in the Cutis. 1805 Med. & Physical Jrnl. 14 329 The most important..pair of nerves is what was hitherto called the pyramids, this fascicle of nerves is the origin of the cerebrum, or the hemispherii cerebri. 1827 Lancet 28 Apr. 113/2 The extraordinary delicate consistence of the nervous filaments, and their existence, concealed in the substance of the pyramid of the temporal bone, render the researches on this anastomosis of nerves very difficult. 1847–9 Todd's Cycl. Anat. & Physiol. IV. i. 237/2 The medullary substance..presents itself under the form of cones or pyramids (pyramids of Malpighi). 1869 T. H. Huxley Lessons Elem. Physiol. (ed. 3) xi. 303 At the lower and front part of the medulla oblongata, these [efferent impulses]..cross over; and the white fibres which convey them are seen passing obliquely from left to right and from right to left in what is called the decussation of the anterior pyramids. 1881 E. Behnke Mechanism Human Voice (ed. 2) 36 The remaining two cartilages [of the larynx]..are the Pyramids, so called because of their shape. 1901 M. Foster Lect. Hist. Physiol. 116 The several constituent kidneys might be distinguished as masses of Bellini's tubules arranged in the form of pyramids, the pyramids since known as the pyramids of Malpighi. 1930 H. G. Newth Marshall & Hurst's Junior Course Pract. Zool. (ed. 11) xiv. 392 At the outer sides of the pyramids, immediately behind the pons Varolii, are a pair of oblong patches of transverse nerve-fibres, the corpora trapezoidea. 1983 Arch. Neurol. 40 106 In a patient with cerebrocranial trauma that resulted in a fracture of the pyramid of temporal bone, disappearance of neurologic and otologic symptoms was followed for a long period by an isolated disturbance of the tympanic nerve. 2006 Prenatal Diagnosis 26 330 The fetal renal lobulation was prominent and on section, the pyramids were delineated within each lobule, accounting for the clear image of the pyramids observed on sonography. < as lemmas |
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