Abortion
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  Abortion



Abortion

    In medicine, an abortion is the premature exit of the products of conception (the fetus, fetal membranes, and placenta) from the uterus. It is the loss of a pregnancy and does not refer to why that pregnancy was lost. spontaneous abortion is the same as a miscarriage. The miscarriage of 3 or more consecutive pregnancies is termed habitual abortion.

RELATED TERMS
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Abortion
In medicine, an abortion is the premature exit of the products of conception (the fetus, fetal membranes, and placenta) from the uterus. It is the loss of a pregnancy and does not refer to why that pregnancy was lost. spontaneous abortion is the same as a miscarriage. The miscarriage of 3 or more consecutive pregnancies is termed habitual abortion.

Premature
The term used to describe babies born before 37 weeks of gestation. Fewer than 10 percent of babies arrive this early.

Conception
When a sperm and egg join to form a single cell, usually in the Fallopiantubes. After joining, the fertilized egg travels into the uterus, where itimplants in the lining on its way to growing into an embryo and then a fetus.

Fetus
The stage of human development from 10 weeks' gestation until birth.

Fetal
Having to do with the fetus.

Membranes
Also know as the bag of waters, this thin sac contains the amniotic fluid and the fetus. The membranes will either rupture spontaneously during labor or be ruptured to speed up labor.

Uterus
The uterus is a hollow, pear-shaped organ located in a woman's lower abdomen, between the bladder and the rectum, that sheds its lining each month during menstruation and in which a fertilized egg (ovum) becomes implanted and the fetus develops.

Miscarriage
Spontaneous termination of a pregnancy before the fetus has developed enough to survive outside the uterus.



SIMILAR TERMS
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Aborigines
Native inhabitants or indigenous individuals of a country.

Aborted Fetuses
The unborn offspring of any viviparous mammals, in the postembryonic period, after the major structures have been outlined. (Dorland, 28th ed.)

Abortifacient
A substance that causes pregnancy to end prematurely and causes an abortion.

Abortifacient Agents
Chemical substances that interrupt pregnancy after implantation.

Abortifacient Agents, Non Steroidal
Non-steroidal chemical compounds with abortifacient activity.

Abortifacients, Steroid
Steroidal compounds with abortifacient activity.

Abortion Applicants
Individuals requesting induced abortions.

Abortion Center
Those facilities which administer health services to individuals who do not require hospitalization or institutionalization.

Abortion clinic
A medical clinic where pregnancy can be interrupted by medical doctors.

Abortion History
Intentional removal of a fetus from the uterus by any of a number of techniques. (POPLINE, 1978)

Abortion Law
The enactment of laws and ordinances and their regulation by official organs of a nation, state, or other legislative organization. It refers also to health-related laws and regulations in general or for which there is no specific heading.

Abortion on Demand
Termination of pregnancy under conditions allowed under local laws. (POPLINE Thesaurus, 1991)

Abortion pill
An abortion-inducing drug (trade name Mifepristone) developed in France; when taken during the first five weeks of pregnancy it blocks the action of progesterone so that the uterus sloughs off the embryo.

Abortion Surveys
A systematic collection of factual data pertaining to health and disease in a human population within a given geographic area.

Abortion, Clonal
Removal, via CELL DEATH, of immature lymphocytes that interact with antigens during maturation. For T-lymphocytes this occurs in the thymus and ensures that mature T-lymphocytes are self tolerant. B-lymphocytes may also undergo clonal deletion.

Abortion, Criminal
Illegal termination of pregnancy.

Abortion, Eugenic
Abortion performed because of possible fetal defects.

Abortion, Habitual
Three or more consecutive spontaneous abortions.

Abortion, Incomplete
Abortion in which not all the products of conception have been expelled.

Abortion, Missed
The retention in the uterus of a dead fetus two months or more after its death.

Abortion, Septic
Infected abortion in which there is dissemination of microorganisms and their products into the maternal systemic circulation.

Abortion, Therapeutic
Abortion induced to save the life or health of a pregnant woman. (From Dorland, 28th ed)

Abortion, Threatened
Condition of vaginal bleeding with or without pain in early pregnancy which may presage an abortion.

Abortion, Tubal
Expulsion of the products of conception before the completion of gestation without deliberate interference.

Abortion, Veterinary
Premature expulsion of the fetus in animals.

Abortive
The word "abortive" has a number of meanings including prematurely born; fruitless or unsuccessful; imperfectly formed or developed; tending to cut short. In medicine, "abortive" has two meanings: one, causing abortion, as an "abortive medicine," is rarely used nowadays; the other meaning, that of tending to cut short is quite commonly used in medicine, as in the "abortive treatment of typhoid fever" or "abortive polio": polio cut short.

Abortive polio
Abortive polio is a minor illness. It accounts for 80-90% of clinically apparent cases of polio infection, chiefly in young children. It does not involve the CNS. The usual symptoms are slight fever, malaise, headache, sore throat and vomiting which hit 3-5 days after exposure to the polio virus. Full recovery occurs in 24-72 hours. There are no permanent disabilities of any kind.



PREVIOUS AND NEXT TERMS
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Abiotrophy
Loss of function or degeneration for reasons unknown. For example, cerebellar abiotrophy may affect coordination while cone-rod abiotrophy may cause blindness at birth.

Ablate
To remove. A tumor may be ablated. To ablate the thyroid gland is to remove it. The word "ablation" came from the Latin "ablatum" meaning to carry away.

Abnormal
Not normal. Deviating from the usual structure, position, condition, or behavior. In referring to a growth, abnormal may mean that it is cancerous or premalignant (likely to become cancer).

ABO blood group
The major human blood group system. A person's ABO type depends upon the presence of absence of two genes --the A and B genes. These genes are encoded on chromosome 9 (They determine part of the configuration of the red blood cell surface. A person can be A, B, AB, or O. If a person has two A genes, their red blood cells are type A. If a person has two B genes, their red cells are type B. If the person has one A and one B gene, their red cells are type AB. If the person has neither the A nor B gene, they are type O.

Abortifacient
A substance that causes pregnancy to end prematurely and causes an abortion.

Abortion

Artificial abortion
An abortion that is brought about intentionally. Also called an induced or therapeutic abortion. As opposed to a spontaneous abortion (a miscarriage).

Abortive
The word "abortive" has a number of meanings including prematurely born; fruitless or unsuccessful; imperfectly formed or developed; tending to cut short. In medicine, "abortive" has two meanings: one, causing abortion, as an "abortive medicine," is rarely used nowadays; the other meaning, that of tending to cut short is quite commonly used in medicine, as in the "abortive treatment of typhoid fever" or "abortive polio": polio cut short.

Abortive polio
Abortive polio is a minor illness. It accounts for 80-90% of clinically apparent cases of polio infection, chiefly in young children. It does not involve the CNS. The usual symptoms are slight fever, malaise, headache, sore throat and vomiting which hit 3-5 days after exposure to the polio virus. Full recovery occurs in 24-72 hours. There are no permanent disabilities of any kind.

ABR
Abbreviation for auditory brainstem response. See ABR test.

ABR test
Auditory brainstem response test. A test for hearing and brain (neurological) functioning.

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