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Medical Dictionary Starting with Y

Y Chromosome

One of the two sex chromosomes; determines male sex characteristics

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Yaws

The name given by the Africans to the disease called Framboesia On the American coast it is termed pian and epian

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Yaya

The term yaws is thought to be of Caribbean origin In the language of the Carib Indian people, yaya was the word for a sore 

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Yeast

A general term for a fungus occurring as a unicellular, nucleated organism that usually reproduces by budding Some yeasts may reproduce by fission, many producing mycelia or pseudomycelia

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Yeast Infection

A term usually referring to a candidiasis infection

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Yellot

Icterus; A disease, the principal symptoms of which is yellowness of the skin and eyes, with white feces and high-colored urine

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Yellow Fever

Sailor'S Fever or Bronze John or Bilious Remittent Fever or American Plague; a life-threatening viral infection transmitted by mosquitoes that causes jaundice, fever, headache, and vomiting and One of...

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Yellow Gum

Yellow Gown, Icterus Infantum, or Jaundice of Infants This is the mildest form under which jaundice makes its appearance

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Yellow Jack

A term for the yellow fever, which probably originated among seamen; a yellow flag (a flag being called a jack) being generally displayed at naval hospitals, or from vessels at quarantine, to denote t...

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Yellow Jaundice

Yellowing of the skin and the whites of the eyes caused by an accumulation of bile pigment (bilirubin) in the blood; can be a symptom of gallstones or liver infection or anemia

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Yellow Softening

Cerebral softening resulting from the death of a portion of the cerebral tissue

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Yangona

An herb native to islands in the South Pacific. Substances taken from the root have been used in some cultures to relieve stress, anxiety, tension, sleeplessness, and problems of menopause. Yangona ma...

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Yervoy

A drug that binds to the protein CTLA-4 to help immune cells kill cancer cells better and is used to treat many different types of cancer. These include cancers that have certain mutations (changes) i...

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Yescarta

A drug used to treat adults with follicular lymphoma or certain types of large B-cell lymphoma that relapsed (came back) or did not get better after treatment with at least two other types of systemic...

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Yin and yang

In Chinese philosophy, yin and yang are opposite forces that form a whole. Everything contains both yin and yang in a balance that is always changing, such as hot and cold, day and night, and health a...

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YKL-40

A substance that may be found in higher-than-normal amounts in the blood of patients with certain types of cancer and inflammatory diseases. It is a type of glycoprotein.

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YM598

A substance that is being studied as a treatment for advanced prostate cancer and for pain caused by prostate cancer that has spread to the bone. It belongs to the family of drugs called endothelin ET...

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Yoga

An ancient system of practices used to balance the mind and body through exercise, meditation (focusing thoughts), and control of breathing and emotions. Yoga is being studied as a way to relieve stre...

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Yohimbe

A tree native to West Africa. The bark is used as a supplement for bodybuilding and to enhance male sexual performance. It contains the chemical yohimbine, which is being studied in the treatment of s...

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Yolk sac tumor

A rare type of cancer that begins in germ cells (cells that form sperm or eggs). Yolk sac tumors occur most often in the ovary or testicle, but they may also occur in other areas of the body, such as ...

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Yondelis

A drug used to treat liposarcoma and leiomyosarcoma (types of soft tissue sarcoma) that cannot be removed by surgery or have spread to other parts of the body. It is used in patients who have already ...

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Yonsa

A drug that contains the active ingredient abiraterone acetate and is used with methylprednisolone to treat prostate cancer that has spread to other parts of the body. It is used in patients whose can...

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Yttrium

A metal of the rare earth group of elements. A radioactive form of yttrium may be attached to a monoclonal antibody or other molecule that can locate and bind to cancer cells and be used to diagnose o...

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Yttrium Y 90

A radioactive form of the rare metal yttrium that is used in radiation therapy to treat some types of tumors. Yttrium Y 90 can be linked to a molecule, such as a monoclonal antibody, to help it locate...

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Yttrium Y 90-clivatuzumab tetraxetan

A substance being studied in the treatment of advanced pancreatic cancer. Yttrium Y 90-clivatuzumab tetraxetan contains a monoclonal antibody that binds to a protein called MUC-1, which is found on so...

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Yttrium Y 90-DOTA anti-CEA monoclonal antibody M5A

A substance being studied in the treatment of some types of cancer. M5A is a monoclonal antibody that binds to a protein called CEA, which is found on some cancer cells. It is linked to a radioactive ...

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Yttrium Y 90-DOTA monoclonal antibody HuAFP31

A substance being studied in the treatment of liver cancer. HuAFP31 is a monoclonal antibody that binds to a protein called alpha fetoprotein (AFP), which is found on some cancer cells. It is linked t...

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Yttrium Y 90-DOTA monoclonal antibody HuPAM4

A substance being studied in the treatment of advanced pancreatic cancer. Yttrium Y 90-DOTA monoclonal antibody HuPAM4 contains a monoclonal antibody that binds to a protein called MUC-1, which is fou...

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Yttrium Y 90-DOTA-biotin

A compound that contains the radioisotope yttrium Y 90 linked to the chemical biotin. Biotin is a molecule that binds strongly to the chemical streptavidin. Yttrium Y 90-DOTA-biotin will find tumor ce...

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Yttrium Y 90-DOTA-tyr3-octreotide

A substance being studied in the treatment of some types of cancer. Yttrium Y 90-DOTA-tyr3-octreotide contains a molecule that binds to a protein found on certain types of neuroendocrine tumors (tumor...

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Yttrium Y 90-edotreotide

A substance being studied in the treatment of some types of cancer. Yttrium Y 90-edotreotide contains a molecule that binds to a protein found on certain types of neuroendocrine tumors (tumors that fo...

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Yttrium Y 90-epratuzumab tetraxetan

A substance being studied in the treatment of certain types of B-cell cancer. Epratuzumab is a monoclonal antibody that binds to a protein called CD22, which is found on the surface of B cells. It is ...

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Yttrium Y 90-ibritumomab tiuxetan

A drug used with the drug rituximab to treat certain types of B-cell non-Hodgkin lymphoma. It is also being studied in the treatment of other types of B-cell tumors. Yttrium Y 90-ibritumomab tiuxetan ...

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Yttrium Y 90-SMT 487

A substance being studied in the treatment of some types of cancer. Yttrium Y 90-SMT 487 contains a molecule that binds to a protein found on certain types of neuroendocrine tumors (tumors that form f...

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