与 «AMBULACRUM»相关的英语书籍
在以下的参考文献中发现
ambulacrum的用法。与
ambulacrum相关的书籍以及同一来源的简短摘要提供其在 英语文献中的使用情境。
1
Genus Pentremites and its Species
Figure 1. 10. 11. 12. PLATE 1.—AMBULACRA OF PEN TREMI TES All figures X
6 Middle part of ambulacrum of P. conoideus Hall. Ambulacrum narrow, strongly
convex; 8 transverse ridges in 3 mm; ridges have short, oblique grooves at outer
...
2
Contributions to the Natural History of the United States of ...
Transverse section of the same ambulacrum, farther from the margin of the disk,
across the peripheric end of the radiating folds of the lower floor. 0 lower floor; ol
ambulacral chamber; b radiating folds of the lower floor ; a' section of the ...
3
Contributions to the Natural History of the United States of ...
Transverse section of the same ambulacrum, across the middle of the radiating
folds of the lower floor and extending to the centre of the adjoining inter-
ambulacrum. o1 ambulacral chamber ; b radiating folds of the ambulacrum; c
radiating ...
4
Paleontology of the Malone Jurassic Formation of Texas
It includes the main part of the aboral half of an ambulacrum. The genus is clearly
determined by the form of the ambulacrum and the form and arrangement of the
pores, as well as by the character of the tubercles and by the discoidal form of ...
Francis Whittemore Cragin, Timothy William Stanton, 1905
5
Record of Deep Well Drilling for 1904-1905
It includes the main part of the aboral half of an ambulacrum. The genus is clearly
determined by the form of the ambulacrum and the form and arrangement of the
pores, as well as by the character of the tubercles and by the discoidal form of ...
Geological Survey (U.S.), Myron L. Fuller, Edwin Fuller Lines, 1905
6
Contributions to the Ordovician paleontology of Kentucky and ...
USNM 170362 seems to be a typical adult Carneyella pilea except for
ambulacrum V, which is reversed and curves contrasolarly. It appears that
ambulacrum V has a small aborted branch which extends from the posterior side
adjacent to the ...
John Pojeta, University of Kentucky, Kentucky Geological Survey, 1979
7
Geological Survey Professional Paper
USNM 170362 seems to be a typical adult Carneyella pilea except for
ambulacrum V, which is reversed and curves contrasolarly. It appears that
ambulacrum V has a small aborted branch which extends from the posterior side
adjacent to the ...
8
Echinoderms 2000: Proceedings of the 10th International ...
and sometimes in the frontal ambulacrum. They are typical of respiratory tube feet
. Axially partitioned isopores express a large periporal area, a domed or bridged
interporal partition and a large neural canal. They are restricted to the phyllodes ...
Globiferous pedicellariae In batch one and batch two these were significantly
more abundant in ambulacrum C and interambulacrum CD i.e. at the madreporite
. They were significantly less abundant in interambulacra BC and ED i.e. either ...
Brendan F. Keegan, Brendan D.S. O'Connor, 1985
10
A Dictionary of Geology and Earth Sciences
Usually it is the place where the *plates of the *test are at their widest. ambulacral
Applied to those areas of the body of an *echinoderm that bear *tube feet.
ambulacral groove See AMBULACRUM. ambulacrum (amb) In *Echinodermata,
...
