QUÉ SIGNIFICA GANOID EN INGLÉS
Escamas de pescado
La piel de la mayoría de los peces óseos y cartilaginosos está cubierta por escamas. Las escalas varían enormemente en tamaño, forma, estructura y extensión, que van desde placas de armadura rígidas en peces tales como shrimpfishes y boxfishes, hasta microscópicas o ausentes en peces como anguilas y anglerfishes. La morfología de una escala puede utilizarse para identificar las especies de peces de las que proviene. Los principales tipos de escalas son las escalas cicloides del salmón y la carpa, las escalas ctenóides de la perca, las escamas placóides de los tiburones y los rayos, las escalas ganoides de los esturiones y las gárgolas. Las escamas de pescado se producen a partir de la capa de mesodermo de la dermis, que las distingue de las escamas de reptiles. Los mismos genes implicados en el desarrollo del diente y del pelo en mamíferos también están implicados en el desarrollo de la escala.
definición de ganoid en el diccionario inglés
La primera definición de ganoid en el diccionario consiste en una capa ósea interna y una capa externa de una sustancia similar al esmalte. Otra definición de ganoid es que denota peces, incluidos el esturión y el bowfin, que tienen tales escalas. Ganoid es también un pez ganoide.
PALABRAS DEL INGLÉS RELACIONADAS CON «GANOID»
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10 LIBROS DEL INGLÉS RELACIONADOS CON «GANOID»
Descubre el uso de
ganoid en la siguiente selección bibliográfica. Libros relacionados con
ganoid y pequeños extractos de los mismos para contextualizar su uso en la literatura.
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
6 NOTICIAS EN LAS QUE SE INCLUYE EL TÉRMINO «GANOID»
Conoce de qué se habla en los medios de comunicación nacionales e internacionales y cómo se emplea el término
ganoid en el contexto de las siguientes noticias.
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, Jun 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, Oct 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, Sep 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, Jul 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, Mar 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, Feb 12»