| 释义 |
madreporic, a.|mædrɪˈpɒrɪk|
[f. mod.L. Madrepora or madrepore + -ic.]
1. Pertaining or related to, consisting or characteristic of, madrepore coral.
1817Q. Rev. XVII. 240 The madriporic [sic] productions which have been found to exist..above the present level of the sea. 1833Lyell Princ. Geol. III. 133 Part of the madreporic rock has been converted into silex and calcedony. 1887H. H. Howorth Mammoth & Flood 360 The madreporic calcareous deposits surrounding Havana.
2. The distinctive epithet of certain structures in echinoderms (madreporic body, madreporic canal, madreporic plate, madreporic tubercle), so called because perforated with small holes like a madrepore.
1861Dana Man. Geol. 160 To one side of the dorsal centre..in the regular Echinoids, there is a small porous prominence on the shell, often called the madreporic body, from a degree of resemblance in structure to coral. 1862Thomson in Q. Jrnl. Microscop. Sci. II. 139 The madreporic tubercle gradually increases in size and distinctness. 1870Nicholson Man. Zool. 123 The madreporic canals and their tubercles depending freely from the circular canal into the perivisceral cavity. 1878Bell Gegenbaur's Comp. Anat. 204 One of these [genital plates of the Desmosticha] is the madreporic plate. |