Medications

Sac, yolk: See: Yolk sac.Last Editorial Review: 10/30/2004 Yolk sac: Not all yolk has to do with birds' eggs. Human embryos have a yolk sac, too. The human yolk sac is a membrane outside the embryo that is connected by a tube (the yolk stalk) though...

Sac, pericardial - Medical

Sac, pericardial: See: Pericardial sac. Last Editorial Review: 4/27/2011 5:27:15 PM Pericardial sac: A conical sac of fibrous tissue which surrounds the heart and the roots of the great blood vessels. Also called the pericardium. The pericardium h...

RXT - Medical

RXT: Medical abbreviation for radiotherapy.Last Editorial Review: 7/4/2004 Radiotherapy: The treatment of disease with ionizing radiation. Also called radiation therapy. In radiotherapy, high-energy rays are often used to damage cancer cells and...

Sac, egg - Medical

Sac, egg: See: Egg sac.Last Editorial Review: 4/27/2011 5:27:15 PM Egg sac: The "egg sac" or ovary is one of a pair of reproductive glands in women. They are located in the pelvis, one on each side of the uterus. Each ovary is about the size and sha...

Zerit (stavudine)

GENERIC NAME: stavudine BRAND NAME: Zerit DRUG CLASS AND MECHANISM: Stavudine is an oral medication that is used for the treatment of infections with the human immunodeficiency virus (HIV). It is in a class of drugs called reverse transcriptas...

Rx - Medical

Rx: A medical prescription. The symbol "Rx" is usually said to stand for the Latin word "recipe" meaning "to take." It is customarily part of the superscription (heading) of a prescription. Another explanation for the origin of Rx is that it was de...

Sac, dural - Medical

Sac, dural: See: Dural sac.Last Editorial Review: 10/30/2004 Dural sac: The membranous sac that encases the spinal cord within the bony structure of the vertebral column. Dural refers to the dura, the name of the membrane around the spinal cord (and...

RWI - Medical

RWI: Recreational water illness.Last Editorial Review: 6/10/2004...

Sac, amniotic - Medical

Sac, amniotic: Amniotic sac.Last Editorial Review: 10/30/2004 Amniotic sac: Popularly and more commonly known as the bag of waters. See: Bag of waters.Last Editorial Review: 8/11/2003...

Zerit (STAVUDINE-ORAL CAPSULE)

RVF - Medical

RVF: 1. Rift Valley fever, the disease and the virus that causes it. 2. Right ventricular failure, failure of the right ventricle of the heart. 3. Residual volume fraction, a measure proportional to the ambulatory venous pressure.Last Editorial Rev...

Sabulous - Medical

Sabulous: Sandy or gritty. For example, the sludge in bile may be sabulous. And the stony sediment in urine may be sabulous. From the Latin "sabulum" for "sand."Last Editorial Review: 12/12/2002 9:48:10 AM...

Sabin, Florence R. - Medical

Sabin, Florence R.: (1871-1953) American anatomist and medical researcher. Her excellent and innovative work on the origins of the lymphatic system, blood cells, and immune system cells, and on the pathology of tuberculosis was well-recognized during...

RV (rotavirus) - Medical

RV ( rotavirus):Aside from recreational vehicle, RV is an abbreviation for rotavirus, a leading cause of severe winter diarrhea in young children. Each year RV causes an estimated 500,000 doctor visits and 50,000 hospital admissions in the U...

Sabin, Albert - Medical

Sabin, Albert: (1906-93) Pioneering researcher on viruses and viral diseases who developed the oral live-virus vaccine against polio. Sabin's vaccine came to be preferred over the alternative killed-virus vaccine developed by his bitter rival Dr. Jon...

RUQ - Medical

RUQ: Abbreviation for the right upper quadrant (quarter). The RUQ of the abdomen contains the liver and the gallbladder. (By contrast, LUQ stands for the left upper quadrant, LLQ stands for the left lower quadrant, and RLQ stands for the right l...

Sabin vaccine - Medical

Sabin vaccine: The oral polio vaccine developed by Dr. Albert S. Sabin. The first vaccine against poliomyelitis was introduced by Dr. Jonas Salk in 1955 and was administered by injection (in 4 separate shots). The oral vaccine was created by Dr. Sa...

Ruptured spleen - Medical

Ruptured spleen: Rupture of the capsule of the spleen, an organ in the upper left part of the abdomen, is a potential catastrophe that requires immediate medical and surgical attention. Splenic rupture permits large amounts of blood to leak into t...

Sabin - Medical

Sabin: 1. Sabin, Albert. 2. Sabin, Florence R..Last Editorial Review: 3/16/2004 Sabin, Albert: (1906-93) Pioneering researcher on viruses and viral diseases who developed the oral live-virus vaccine against polio. Sabin's vaccine came to be preferr...

Rupture, uterine - Medical

Rupture, uterine: A tear of the uterus, an uncommon but very serious situation that may result in hysterectomy, urologic injury to the woman, a need for blood transfusion, maternal death, and perinatal complications including neurologic impairment o...

Saami health - Medical

Saami health: See: Artic health.Last Editorial Review: 6/24/2004 Artic health: Health in the vast geographic region widely surrounding the North Pole, an area that encompasses all or portions of Alaska, Canada, Greenland/Denmark/Faroe Islands, Icela...

Rupture of appendix - Medical

Rupture of appendix: A break or tear in the appendix, usually due to appendicitis. Also called perforation of the appendix. Rupture of appendix can lead to a periappendiceal abscess (a collection of infected pus) or diffuse peritonitis (infection of ...

SAA - Medical

SAA: 1.Serum amyloid A (an acute-phase protein which increases early in the course of inflammation). 2. Spondylitis Association of America (for improving the lives of people with ankylosing spondylitis and related conditions and curing these diseas...

zanamivir

Pharmacy Author: Omudhome Ogbru, PharmD Omudhome Ogbru, PharmD OMUDHOME OGBRU, Pharm.D. Dr. Ogbru received his Doctorate in Pharmacy from t...

Rupture - Medical

Rupture: A break or tear in any organ (such as the spleen) or soft tissue (such as the achilles tendon). Rupture of the appendix is more likely among uninsured and minority children when they develop appendicitis. Last Editorial Review: 10/27/20...

SA node - Medical

SA node: The SA node (SA stands for sinoatrial) is one of the major elements in the cardiac conduction system, the system that controls the heart rate. This stunningly designed system generates electrical impulses and conducts them throughout t...

Runx-1 - Medical

Runx-1: A protein that is a transcription factor controlling when genes are switched on or off. Runx-1 acts by binding to regulatory sequences -- specific sequences of DNA close to the genes they regulate. These DNA sequences, called Runx-1 binding s...

S1-S5 (sacral vertebrae) - Medical

S1-S5 (sacral vertebrae): The first sacral vertebra through the fifth sacral vertebra. There are 5 sacral vertebral bones. They are represented by the symbols S1 through S5. The sacral vertebrae are situated in the spinal column just below t...

Runt-related transcription factor 1 - Medical

Runt-related transcription factor 1: See: Runx-1. Last Editorial Review: 11/9/2003 Runx-1: A protein that is a transcription factor controlling when genes are switched on or off. Runx-1 acts by binding to regulatory sequences -- specific sequence...

Runny nose - Medical

Runny nose: Rhinorrhea is the medical term for this common problem. From the Greek words "rhinos" meaning "of the nose" and "rhoia" meaning "a flowing."Last Editorial Review: 4/27/2011 5:27:15 PM...