«GANOID» 관련 영어 책
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It is now well admitted that the elasmoid scales of the advanced actinopterygian
fishes (i.e., teleosts) are derived from the ancestral ganoid scales of "primitive",
actinopterygians (i.e., holosteans, palaeoniscids) issued themselves from the ...
B.G. Kapoor, Bhavna Khanna, 2004
Ganoid scales are thick juxtaposed osseous plates anchored into the dermis by
numerous large collage- nous Sharpey's fibers (Figure 17.24b; Chapter 5, Figure
5.7; Chapter 18). The classical ganoid scale of polypterids is composed of two ...
Gary Kent Ostrander, 2000
3
British and Foreign Medico-chirurgical Review: Or, Quarterly ...
57 of the same work : "The fact of many fossil Ganoid fishes showing the same
parts of the skeleton petrified and undisturbed, but without a trace of the central
elements of the vertebrae, shows that the tran- sitorial condition of the
Lepidosireus ...
4
Multicellular Animals: Order in Nature - System Made by Man
Two forms of the dermal scales play a part in the characterization of the highest-
ranking adelphotaxa of the Osteognathostomata - the ganoid scales of the
Actinopterygii and the cosmoid scales of the fossil Sarcopterygii (SCHULTZE
1977).
5
Introduction to Marine Biology
(a) Thick, heavy, ganoid scales are characteristic of primitive ray-finned fishes
such as sturgeons. Modern ray—finned fishes have lighter, more flexible scales
such as (b) cycloid scales and (c) ctenoid scales. Copyright 20l2 Cengage
Learning ...
George Karleskint, Richard Turner, James Small, 2012
6
The Diversity of Fishes: Biology, Evolution, and Ecology
3 Ganoid scales were present in primitive fossil actinopterygians and are found in
Chondrostei. They are modified cosmoid scales, with the cosmine replaced by
dentine and the surface vitrodentine replaced by ganoine, an inorganic bone salt
...
Gene Helfman, Bruce B. Collette, Douglas E. Facey, 2009
7
Chambers's encyclopaedia: a dictionary of universal ...
a dictionary of universal knowledge for the people ... GANOID FISHES— GAOL
DELI fERY. GAP— GABBLERS. GARCIA— OARD A. GARDAIA-GARDE
NATIONALE. GARDELEGEN— GARDENING. the air, when suddenly, seeing a
fish, it falls ...
8
An Introductory Text-book of Zoology: The the Use of Junior ...
The scales are mostly " cycloid " and " ctenoid," and are only rarely " ganoid." 3.
The fore and hind limbs are usually, but not always, present, when they are
known as the pectoral and ventral fins. 4. Median fins exist besides the paired
fins. 5.
Henry Alleyne Nicholson, 1871
9
On the Microscopic Structure of the Scales and Dermal Teeth ...
the organic structure of the so-called ganoid scale-bones in 1840, both in recent
and extinct fishes, showing that it militated against the theory of the development
by successive deposition of layers being applied, at least to ganoid scales.
William Crawford Williamson, 1849
10
The Integument: A Textbook of Skin Biology
The scales have a thick ganoid layer over a layer of dentine, beneath which is
lamellar bone, but the cancellous bone of palaeoniscoids has been lost. The gar
pike Lepidosteus of the Great Lakes of North America has a similar type of skin
but ...
Richard Ian Campbell Spearman, 1973
«GANOID» 단어를 포함하는 뉴스 기사
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Dino-might: St. George boasts large track site
The museum's complete, 12-inch-long fossil is so remarkably detailed that fin patterns and ganoid scales, the latter consisting of specialized ... «Pueblo Chieftain, 6월 15»
One whale of a fish story: PR grad goes in search of gar
The scales of an alligator gar are not like the scales of other fish; their bodies are protected by overlapping, enamel-like ganoid scales that are ... «Park Rapids Enterprise, 10월 14»
Mars, Old and New: A Personal View by Bruce Murray
Then, while doing my fieldwork, I found a Ganoid fish fossil, which is like a sturgeon, with thick scales -- an early, primitive kind of fish. «The Planetary Society, 9월 13»
Gar provide anglers toothy challenges.
They're covered with an armor-plate of ganoid scales, requiring tin snipes, a sharp filet knife and patience. Gar have another interesting life ... «Columbia Daily Tribune, 7월 12»
Most violent fossil ever shows the final record of a three-way hunt
There are five specimens of medium-sized pterosaur Rhamphorhynchus that lie adjacent to the rostrum of a large individual of the ganoid fish Aspidorhynchus. «io9, 3월 12»
New Permian Fish Discovered in Brazil
“The scales are ganoid with a three layer organization, in which the inner layer is composed of bone tissue, the intermediate is dentine and the ... «Sci-News.com, 2월 12»
