from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A plural of sternum.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Plural form of sternum.
from The Century Dictionary and Cyclopedia
- n. A Linnean genus of Laridæ, typical of the subfamily Sterninæ, and containing all the terns or sea-swallows, or variously restricted.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a genus of Sterninae
Sorry, no etymologies found.
In the past there was commercial over-exploitation of the sea cucumbers Isostichopus fuscus and Parastichopus parvimensis, of mother-of-pearl Pinctada mazatlanica and winged oysters Pteria sterna.
Out of 141 sterna between the time of birth and the age of sixteen years, Paterson (op. cit.) found the fourth or lowest center for the body present only in thirty-eight casesi. e.,
The idea that birds rely on dorsoventral movement of their sterna, and that a huge sternum and associated mobile, ossified sternal ribs are a requirement for avian-style respiration, has been heavily promoted in other Ruben and colleagues papers
If we combine these bits of information, the logical conclusion is that non-avian theropods were using their sterna and sternal ribs to ventilate their abdominal air-sacs, and here is the avian condition, albeit in less 'extreme' form.
To their credit, Quick & Ruben (2009) do note that some birds (including kiwis, emus and the extinct elephant birds and mihirungs) have very small sterna that don't extend as far posteriorly as the abdominal air-sacs: these sterna are actually smaller, compared to trunk length, than those of such non-avian saurischians as dromaeosaurs and diplodocoid and macronarian sauropods (Wedel 2007).
Dando nempe se ipsum dare videndum, et sterna feltcitate fruendum.
Bo* naventurae. loio cum dicat, bona sterna aliud esse nihil 9 quam Dt*
Hi autem loquebantur bypotheticei et sub eonditione impossibl - li I unde nunquam habuere actum absolutum efficacem lenuntiationif sterna!
In the preface to this article we are presented with the method of arrangement which he intended to have pursued, and which is obviously founded on that of Linnaeus: in fact, the author pro - fesses to deviate from it no further than he conceives himself to be required by the discoveries subsequent to the publication of the Sy sterna.
: ut vero sterna? maneant nec cum mutatis Magiftratibus fubin
Wordnik is becoming a not-for-profit! Read our announcement here.