-logy
The Concise Oxford Dictionary of English Etymology
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1996
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© The Concise Oxford Dictionary of English Etymology 1996, originally published by Oxford University Press 1996. (Hide copyright information)
Copyright
-logy repr. F.
-logie, medL.
-logia, Gr.
-logíā, which is partly f.
lógos discourse, speech, partly f.
log-, var. of
leg-,
légein speak; hence derivs. in
-logia mean either
1.. saying or speaking in such-and-such a way, as
eulogy,
tautology, or
2.. the science or study with which a person (designated by
-logos -LOGIST,
-LOGER, etc.) is concerned, or that deals with a certain subject. Of the latter class, the first el. is a sb. and in combination ends in
o, so that the regular form of such words is in
-ology; an exception is
MINERALOGY. Mod. formations in
logy imply correl. formations in
-logical, formerly also, now rarely,
-logic (F.
-logique, L.
-logicus, Gr.
-logikós), and
-logist (see prec.).
Cite this article
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Planktonic feeding and evolutionary significance of the lobate body plan within the Ctenophora.
Magazine article from: The Biological Bulletin; 10/1/1998; ; 700+ words
; ...taxa. By making this prey group available, the lobate characteristics enabled a substantial radiation of forms within the Ctenophora, particularly in open-ocean communities, where the planktonic size spectrum is shifted downward relative to coastal and...
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Hox, Wnt, and the evolution of the primary body axis: insights from the early-divergent phyla.(Review)(Report)
Magazine article from: Biology Direct; 12/13/2007; ; 700+ words
; ...specifically, Porifera (sponges), Ctenophora (ctenophores), Placozoa ( Trichoplax...sub-phyla within Porifera), the Ctenophora, the Cnidaria, and the Placozoa emerged...from at least one species of Porifera, Ctenophora, Placozoa, Cnidaria, and Bilateria...
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 "Courier News (Elgin, IL)")
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Newspaper article from: Courier News (Elgin, IL); 6/4/2009; 405 words
; ...C.B. Spine"); Howard Russo of St. Charles ("Ctenophora"); Steve Jones of Naperville ("Act of Nature...Hoogveld prepare to install Russo's sculpture, "Ctenophora," at Mount St. Mary Park. STNG FILE PHOTO
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Public can 'Meet the Artists' at reception Saturday
Newspaper article from: Courier News (Elgin, IL); 6/19/2009; ; 700+ words
; ...Charles, a professor at Elgin Community College, sculpted "Ctenophora," which is part of the exhibit. Russo said he also is looking...preconceived idea about what it is ... the sculpture ('Ctenophora') in St. Charles is so 'out there' that no one really...
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Not all ctenophores are bioluminescent: Pleurobrachia.
Magazine article from: The Biological Bulletin; 12/1/1995; ; 700+ words
; ...their ability to produce light (Herring, 1987; Haddock and Case, 1994), but even among these organisms, the phylum Ctenophora is remarkable for the extent of bioluminescence expression. Because there have been no systematic investigations, speculation...
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Phylogenetic position of the dicyemid mesozoa inferred from 18s rDNA sequences.
Magazine article from: The Biological Bulletin; 10/1/1995; ; 700+ words
; ...neoformans (Fungi), X60183; Arabidopsis thaliana (Plantae), X16077; Volvox carteri (Plantae), X53904; Beroe cucumis (Ctenophora), D15068; Trichoplax adhaerens (Placozoa), L10828; Anemonia sulcata (Cnidaria), X53498; Scypha ciliata (Porifera...
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Direct observation of contact digestion in inside-out oriented Aurelia aurita polyps.
Magazine article from: The Biological Bulletin; 10/1/1996; ; 700+ words
; ...and J. A. Westfall eds. 1991. Microscopical Anatomy of Invertebrates, Vol. II. Placozoa, Porifera, Cnidaria, and Ctenophora. Wiley-Liss, New York. [2.] Chapman D. W. 1965. Am. Zool 5:455-464. [3.] Chapman, D. W. 1973. Helg...
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Humans didn't descend from a sponge, reveals analysis.
News Wire article from: Asian News International; 4/3/2009; 691 words
; ...all other animals. The most ancient animal groups (phyla) include the Porifera (sponges), Placozoa, Cnidaria, and Ctenophora (comb jellies). The sponges are extremely simply built, and have no organs. The placozoans also have a very simple structure...
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Early family ties: No sponge in the human family tree.
Newspaper article from: NewsRx Health & Science; 4/26/2009; 700+ words
; ...in animal history. The most ancient animal groups (phyla) include the Porifera (sponges), Placozoa, Cnidaria, and Ctenophora (comb jellies). The sponges are extremely simply built, and have no organs. The placozoans also have a very simple structure...
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Study data from H.F. Swift et al provide new insights into marine biology.
Newspaper article from: Ecology, Environment & Conservation; 4/10/2009; 700+ words
; ...only by a peripheral sphincter muscle even though the presence of circumferential ring musculature was unknown for the Phylum Ctenophora, wrote H.F. Swift and colleagues. The researchers concluded: Thereafter, several live T. inconstans were collected...
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Ctenophora
Book article from: The Columbia Encyclopedia, Sixth Edition
Ctenophora , a small phylum of exclusively marine, invertebrate animals, commonly known as sea walnuts or comb jellies. Because they are...
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Fol, Hermann
Dictionary entry from: Complete Dictionary of Scientific Biography
...in 1869, with a thesis on the anatomy and development of Ctenophora. On his return to Geneva in 1870 he continued his zoological...early 1870 ’ s. In addition to his study on the Ctenophora, Fol worked on the embryology of Mollusca and made microscopic...
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gastrovascular cavity
Book article from: A Dictionary of Biology
gastrovascular cavity ( enteron ; coelenteron ) The body cavity of the coelenterates , which has one opening functioning both as mouth and anus. See Cnidaria ; Ctenophora .
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lasso cell
Book article from: A Dictionary of Biology
lasso cell ( colloblast ) A type of cell in comb jellies (phylum Ctenophora ) that is similar to the thread cells of cnidarians. Lasso cells are embedded in the tentacles of the organism. Each has two...
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Cydippidea
Book article from: A Dictionary of Zoology
Cydippidea ( Cydippida ; phylum Ctenophora , class Tentaculata ) An order of ctenophorids which possess a body that may be slightly compressed. There are two retractable...
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