请输入您要查询的单词:

 

单词 unsegmented
例句 unsegmented
Some thought their unsegmented hollow stem functioned as the gates of Hades. Fava - the magic bean 2012-08-08T16:45:05.313Z
Trematoda, trem-a-tō′da, n.pl. a class of flat-worms whose members are parasitic in or on a great variety of animals, the body unsegmented, leaf-like or more or less cylindrical, and provided with adhesive suckers.—n. Chambers's Twentieth Century Dictionary (part 4 of 4: S-Z and supplements) 2012-01-30T03:00:19.113Z
The “growing point” of the trunk is, in fact, situated in front of this region, and, when the full number of somites has been reached, the unsegmented part remaining forms the telson of the adult. Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 7 "Crocoite" to "Cuba" 2012-01-22T03:00:24.397Z
The Ostracoda have the body enclosed in a bivalve shell-covering, and normally unsegmented. Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 6 "English Language" to "Epsom Salts" 2011-02-19T03:00:59.807Z
Pro' leg, an unsegmented appendage found in the larv� of some insects. A Guide for the Study of Animals 2011-01-18T03:00:14.913Z
The carapace of the prosoma was unsegmented and often bore a pair of eyes. Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 3 "Apollodorus" to "Aral"
It is held by some morphologists that the mollusc body is unsegmented, and therefore is to be compared to a single segment of a Chaetopod or Arthropod. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 2 "Chicago, University of" to "Chiton"
It is even possible, as Loeb maintains, that this differentiation is present in the unsegmented ovum, in which case the facts to be detailed become still more remarkable and significant. Science and Morals and Other Essays
Posteriorly the vertebral column terminates in the urostyle, a calcified unsegmented rod. Text Book of Biology, Part 1: Vertebrata
The vertebral column develops as a segmented structure round the notochord; the skull develops first as an unsegmented plate extending far beyond the notochord. Form and Function A Contribution to the History of Animal Morphology
The axial skeleton consists, in the lowest fish, of the notochord, a cylindrical unsegmented rod of cartilage running nearly the length of the body. The Whence and the Whither of Man A Brief History of His Origin and Development through Conformity to Environment; Being the Morse Lectures of 1895
These animals have an unsegmented bilateral body, with most of the organs and parts paired, but not repeated longitudinally. The Gutenberg Webster's Unabridged Dictionary Section M, N, and O
The blood is colorless; the brain, renal organs, and limbs are wanting, and the backbone is represented only by a simple, unsegmented notochord. The Gutenberg Webster's Unabridged Dictionary Section I, J, K, and L
Thus the chief advantage in organisation by which the earliest Vertebrates took precedence of the unsegmented Chordonia consisted in the development of internal segmentation. The Evolution of Man — Volume 2
He further showed that in the unsegmented but mature egg prelocalised cytoplasmic regions can be distinguished, which later become separated from one another through the segmentation of the egg. Form and Function A Contribution to the History of Animal Morphology
This cenogenetic process is so old that the cavity seems to be unsegmented from the first in all the craniotes, and the rudiment of the gonads also is almost always unsegmented. The Evolution of Man — Volume 1
He found a strong positive argument for his theory that Vertebrates are descended from unsegmented forms in the fact that the notochord arises as an unsegmented structure. Form and Function A Contribution to the History of Animal Morphology
But this unsegmented primary axial skeleton is soon replaced by the segmented secondary axial skeleton, which we know as the vertebral column. The Evolution of Man — Volume 2
The chorda is completely retained, and surrounded by an unsegmented sheath. The Evolution of Man — Volume 2
The common ancestor alike of unsegmented worms and of all segmented types is probably the trochosphere larva, which in the Vertebrates is represented by the simple Keimblase or blastula. Form and Function A Contribution to the History of Animal Morphology
The chief and oldest organ of the vertebrate hyposoma, the alimentary canal, is generally described as an unsegmented organ. The Evolution of Man — Volume 1
随便看

 

英语例句辞典收录了117811条英语例句在线翻译词条,基本涵盖了全部常用单词及词组的例句翻译及用法,是英语学习的有利工具。

 

Copyright © 2000-2023 Newdu.com.com All Rights Reserved
更新时间:2025/2/10 10:05:22