QUÉ SIGNIFICA STEROID EN INGLÉS
Esteroide
Un esteroide es un tipo de compuesto orgánico que contiene una disposición característica de cuatro anillos de cicloalcano unidos entre sí. Ejemplos de esteroides incluyen el colesterol lipídico en la dieta, las hormonas sexuales estradiol y testosterona, 10-19 ácidos biliares y fármacos tales como el agente antiinflamatorio dexametasona. El núcleo esteroideo está compuesto de diecisiete átomos de carbono unidos entre sí en forma de cuatro anillos fusionados: tres anillos de ciclohexano y un anillo de ciclopentano. Los esteroides individuales varían, primero y principalmente, por el estado de oxidación de los átomos de carbono en los anillos y por las cadenas y grupos funcionales unidos a este sistema de cuatro anillos; Segundo, los esteroides pueden variar más marcadamente a través de cambios en la estructura del anillo. Los esteroles son una forma particularmente importante de esteroides, con los esteroles que tienen una estructura derivada del colestano y un grupo hidroxilo en la posición del anillo C-3 que es el más prominente. Cientos de esteroides se encuentran en animales, hongos, plantas y otros lugares. Todos los esteroides naturales se hacen en células vivas, ya sea del esterol lanosterol o del cycloartenol. Tanto el lanosterol como el cicloartenol se derivan por ciclación del escualeno triterpenoide.
definición de steroid en el diccionario inglés
La definición de esteroide en el diccionario es cualquiera de un gran grupo de compuestos orgánicos solubles en grasa que contienen un sistema de anillo químico característico. La mayoría, incluidos los esteroles, los ácidos biliares, muchas hormonas y las vitaminas D, tienen una acción fisiológica importante.
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8 CITAS EN INGLÉS CON «STEROID»
Citas y frases célebres con la palabra
steroid.
Owners, the way they blackballed me from baseball, the way they used me, in a sense, and then the way they wanted to send a signal to the other players, saying, you know, we're going to get Jose Canseco out of the game. This is a cue or a message for you other guys to stop using steroids because the owners lost total control of the steroid use.
That's what Major League Baseball's steroid scandal was all about, the hidden harm in competitive sports that sends the wrong message to the young.
Anyone who has seen me spin that heavy, giant wheel on television knows that I'm not a steroid user.
I sort of ride the fence on that whole steroid era issue. I don't have a definite opinion like some of my fellow Hall of Famers. Some of the guys were very, very adamant about a person being associated with steroids: 'They'll never be in the Hall of Fame. If they are, I'll never come back.'
Major League Baseball has always recognized the influence that our stars can have on the youth of America. As such, we are concerned that recent revelations and allegations of steroid use have been sending a terrible message to young people.
Sadly, this problem of steroid use is not isolated to baseball.
It is essential that we put an end to steroid abuse and set a better example for aspiring young athletes to follow, so that some day, when they make it in the All Star Game, it will be because of their own natural talents, and not because of a performance enhancing product.
Despite reforms in steroid control, serious problems still occur in and out of baseball.
10 LIBROS DEL INGLÉS RELACIONADOS CON «STEROID»
Descubre el uso de
steroid en la siguiente selección bibliográfica. Libros relacionados con
steroid y pequeños extractos de los mismos para contextualizar su uso en la literatura.
Health risks associated with the abuse of anabolic steroids are covered along with the biological reasons why steroids affect the body the way they do. Behavioral effects are also discussed. Charts, graphs and diagrams.
Geraline C. Lin, Lynda Erinoff,
1996
2
Steroid nation: juiced home run totals, anti-aging miracles, ...
When science lets us fulfill our greatest desires, where do we stop? "Steroid Nation" presents a chilling portrait of a nation enamored of artificially pumped up success, chronicling steroid use far beyond the headlines.
The second edition of this handbook concentrates on the analysis of steroids in biological fluids. It offers analysis of low levels of steroid analytes in biological fluids.
H. L. J. Makin, D. B. Gower,
2010
4
A Culture of
Steroid Use Among High School Athletes
This book tells of the crisis of steroid use in high schools and theperils that follow.
5
Steroid Dimers: Chemistry and Applications in Drug Design ...
The book includes easy-to-follow synthetic protocols for various classes of important dimeric steroids, source details, valuable spectroscopic data and depiction of unique structural features of natural steroidal dimers, and the Structure ...
Satyajit Sarker, Lutfun Nahar,
2012
6
Steroid Chemistry at a Glance
The development of these drugs has led to a large body of organic chemistry often denoted as "Steroid Chemistry". Steroid Chemistry At A Glance provides a concise overview of the main principles and reactions of steroid chemistry.
7
Spectroscopic Data of
Steroid Glycosides: Spirostanes, ...
This book is an essential reference guide to spectroscopic, physical and biological activity data of over 3500 steroid glycosides, offering the structures and the data of the naturally occurring glycosides of steroids.
Viqar Uddin Ahmad, Anwer Basha,
2010
8
Genetics of
Steroid Biosynthesis and Function
With contributions from a panel of international experts, this volume provides an accessible, up-to-date overview of modern steroid biology for both the professional and novice researcher alike.
9
Neurobiological Effects of Sex
Steroid Hormones
This book describes the neurobiological basis for how the sex steroid hormones interact with parts of the brain and produce their behavioural effects.
Paul E. Micevych, Ronald P. Hammer, Ronald P. Hammer, Jr,
2005
10
Steroid Hormones and Cell Cycle Regulation
This book also highlights the complex role of cross talk between steroid hormones and signals initiated at the cell surface in the regulation of cell cycle in hormone responsive tissues.
10 NOTICIAS EN LAS QUE SE INCLUYE EL TÉRMINO «STEROID»
Conoce de qué se habla en los medios de comunicación nacionales e internacionales y cómo se emplea el término
steroid en el contexto de las siguientes noticias.
Texas lawmakers halt steroid testing for high school athletes
AUSTIN, Texas –– Texas lawmakers voted Friday to dismantle the state's high school steroid testing program after eight years and more than $10 million spent ... «USA TODAY High School Sports, May 15»
Texas likely to end HS steroid tests
AUSTIN, Texas -- When Texas officials launched a massive public high school steroids testing program over fears of rampant doping from the football fields to ... «ESPN, Mar 15»
Baseball steroid scandal: Clinic owner jailed for four years
Anthony Bosch, the former owner of a Florida clinic at the centre of baseball's most recent steroid scandal, has been jailed for four years. He pleaded guilty in ... «BBC Sport, Feb 15»
Anderson Silva in October: Steroid use should mean 'no more fights'
As reported Tuesday, Silva (34-6 MMA, 17-2 UFC) tested positive for drostanolone metabolites, which indicates the use of an anabolic steroid, as well as ... «MMAjunkie.com, Feb 15»
Steroid Use 6 Times Higher Among Gay Male Teens Than Straight …
Steroid use among U.S. teens has been on the rise since the early 1990s, but some groups of teens are using more than others. According to a new study of ... «International Business Times, Feb 14»
Report: Tyson Gay tested positive for steroid
U.S. sprint champion Tyson Gay has been notified by the U.S. Anti-Doping Agency that his sample tested positive for a banned steroid, according to the BBC ... «USA TODAY, Ago 13»
Tennessee pharmacy recalls steroid injections after 7 people get …
A Tennessee compounding pharmacy on probation has voluntarily recalled an anti-inflammatory steroid injection in at least 11 states after seven patients ... «CNN, May 13»
Tennis elbow? Steroid shots not best long-term fix
CHICAGO (AP) — Commonly used steroid shots may worsen tennis elbow in the long run and increase chances that the painful condition will reappear, a small ... «USA TODAY, Feb 13»
Suspicion of Steroid Use Could Keep Bagwell and Piazza Out of Hall
Bonds and Clemens are not the first players implicated in baseball's steroids era to have become eligible for the Hall of Fame. Mark McGwire, who first appeared ... «New York Times, Ene 13»
Report: College Football Steroid Use is Rampant and Little is Done …
According to an Associated Press Impact report, steroid use is rampant in major college football programs, and few programs or the NCAA are taking it seriously. «Forbes, Dic 12»