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Euploid
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EuploidThe normal number of chromosomes for a species. In humans, the euploid number of chromosomes is 46 with the notable exception of the unfertilized egg and sperm in which it is 23.
RELATED TERMS--------------------------------------
Chromosomes
Filaments of genetic material in every cell nucleus that are made up of genes and that transmit genetic information from one generation of cells to the next.
Euploid
The normal number of chromosomes for a species. In humans, the euploid number of chromosomes is 46 with the notable exception of the unfertilized egg and sperm in which it is 23.
Sperm
A sperm cell, or spermatozoon (pl. spermatozoa) (in Greek: sperm = semen and zoon = alive), is the haploid cell that is the male gamete. It is carried in fluid called semen, and is capable of fertilising an egg cell to form a zygote. A zygote can grow into a new organism, such as a human. Sperm cells contain half of the genetic information needed to create life. Generally, the sex of the offspring is determined by the sperm, through the chromosomal pair "XX" (for a female) or "XY" (for a male).
SIMILAR TERMS--------------------------------------
PREVIOUS AND NEXT TERMS--------------------------------------
ETM1
A gene for essential tremor, uncontrollable shaking of the hands and head and sometimes other parts of the body. The ETM1 gene (also called FET1) was mapped in 1997 to chromosome region 3q13 in a study of Icelandic families. EMT1 is responsible for a fine rapid hand tremor; late tremor of arms, tongue, head, legs and trunk; dysarthria; mild rigidity; and stiff gait. The onset of symptoms is about 50 years, later in women than men. The condition is progressive. The intellect is spared.
ETM2
A gene for essential tremor, uncontrollable shaking of the hands and head and sometimes other parts of the body. The ETM2 gene was mapped to chromosome region 2p25-p22. ETM2 is responsible for essential tremor; postural tremor of arms; and variable tremor of head, legs, trunk, voice, jaw, and facial muscles. The tremor is aggravated by emotions, hunger, fatigue, and temperature extremes.
ETS
Environmental tobacco smoke. Smoke generated from the sidestream (the burning end) of a cigarette, pipe or cigar and the exhaled mainstream smoke (the smoke that is puffed out by smokers) of cigarettes, pipes, and cigars.
Eukaryote
An organism that consists of one or more cells each of which has a nucleus and other well-developed intracellular compartments. Eukaryotes include all organisms except bacteria, viruses, and certain (blue-green) algae which, by contrast, are prokaryotes.
Euphenics
Literally meaning "normal appearing," euphenics aims to improve the outcome of a genetic disease by altering the environment.
Euploid
EUS
Endoscopic ultrasound.
Euthanasia
The most commonly understood meaning of euthanasia today is more than the old dictionary definition of dying well -- a good and easy death. It refers, for example, to the situation when a doctor induces the death with a lethal injection, of a patient who is suffering unrelievably and has persistently requested the doctor to do so. Suicide, whether irrational or rational, for unrelated reasons is not euthanasia. Nor is the forced killing of another person.
Euthanasia, active
The active acceleration of a "good" death by use of drugs etc, whether by oneself or with the aid of a doctor. Today the most commonly understood meaning of euthanasia is more than this old dictionary definition of dying well a good and easy death. Euthanasia refers, for example, to the situation when a doctor induces the death with a lethal injection, of a patient who is suffering without relief and has persistently requested the doctor to do so.Suicide, whether irrational or rational, for unrelated reasons is not euthanasia. Nor is the forced killing of another person.
Euthyroid
The state of having normal thyroid gland function. As opposed to hyperthyroid (overactive thyroid) and hypothyroid (underactive thyroid).
EVAR
Endovascular aneurysm repair. A procedure to repair an aneurysm of the aorta. In EVAR a stent is placed in the aneurysmal area of the aorta. The procedure is similar to the placement of a stent in a coronary artery after angioplasty. An aortic aneurysm is a ballooning or widening of the aorta, the largest artery in the body. The aneurysm weakens the wall of the aorta and can end in the aorta rupturing with catastrophic consequences. As the diameter of the aneurysm increases, the chances of the aneurysm rupturing rise dramatically. Large aortic aneurysms are very perilous and can be silent, with few or no symptoms. Men over 60 are particularly at risk to have an aortic aneurysm.
RELATED TERMS--------------------------------------
Chromosomes
Filaments of genetic material in every cell nucleus that are made up of genes and that transmit genetic information from one generation of cells to the next.
Euploid
The normal number of chromosomes for a species. In humans, the euploid number of chromosomes is 46 with the notable exception of the unfertilized egg and sperm in which it is 23.
Sperm
A sperm cell, or spermatozoon (pl. spermatozoa) (in Greek: sperm = semen and zoon = alive), is the haploid cell that is the male gamete. It is carried in fluid called semen, and is capable of fertilising an egg cell to form a zygote. A zygote can grow into a new organism, such as a human. Sperm cells contain half of the genetic information needed to create life. Generally, the sex of the offspring is determined by the sperm, through the chromosomal pair "XX" (for a female) or "XY" (for a male).
SIMILAR TERMS--------------------------------------
PREVIOUS AND NEXT TERMS--------------------------------------
ETM1
A gene for essential tremor, uncontrollable shaking of the hands and head and sometimes other parts of the body. The ETM1 gene (also called FET1) was mapped in 1997 to chromosome region 3q13 in a study of Icelandic families. EMT1 is responsible for a fine rapid hand tremor; late tremor of arms, tongue, head, legs and trunk; dysarthria; mild rigidity; and stiff gait. The onset of symptoms is about 50 years, later in women than men. The condition is progressive. The intellect is spared.
ETM2
A gene for essential tremor, uncontrollable shaking of the hands and head and sometimes other parts of the body. The ETM2 gene was mapped to chromosome region 2p25-p22. ETM2 is responsible for essential tremor; postural tremor of arms; and variable tremor of head, legs, trunk, voice, jaw, and facial muscles. The tremor is aggravated by emotions, hunger, fatigue, and temperature extremes.
ETS
Environmental tobacco smoke. Smoke generated from the sidestream (the burning end) of a cigarette, pipe or cigar and the exhaled mainstream smoke (the smoke that is puffed out by smokers) of cigarettes, pipes, and cigars.
Eukaryote
An organism that consists of one or more cells each of which has a nucleus and other well-developed intracellular compartments. Eukaryotes include all organisms except bacteria, viruses, and certain (blue-green) algae which, by contrast, are prokaryotes.
Euphenics
Literally meaning "normal appearing," euphenics aims to improve the outcome of a genetic disease by altering the environment.
Euploid
EUS
Endoscopic ultrasound.
Euthanasia
The most commonly understood meaning of euthanasia today is more than the old dictionary definition of dying well -- a good and easy death. It refers, for example, to the situation when a doctor induces the death with a lethal injection, of a patient who is suffering unrelievably and has persistently requested the doctor to do so. Suicide, whether irrational or rational, for unrelated reasons is not euthanasia. Nor is the forced killing of another person.
Euthanasia, active
The active acceleration of a "good" death by use of drugs etc, whether by oneself or with the aid of a doctor. Today the most commonly understood meaning of euthanasia is more than this old dictionary definition of dying well a good and easy death. Euthanasia refers, for example, to the situation when a doctor induces the death with a lethal injection, of a patient who is suffering without relief and has persistently requested the doctor to do so.Suicide, whether irrational or rational, for unrelated reasons is not euthanasia. Nor is the forced killing of another person.
Euthyroid
The state of having normal thyroid gland function. As opposed to hyperthyroid (overactive thyroid) and hypothyroid (underactive thyroid).
EVAR
Endovascular aneurysm repair. A procedure to repair an aneurysm of the aorta. In EVAR a stent is placed in the aneurysmal area of the aorta. The procedure is similar to the placement of a stent in a coronary artery after angioplasty. An aortic aneurysm is a ballooning or widening of the aorta, the largest artery in the body. The aneurysm weakens the wall of the aorta and can end in the aorta rupturing with catastrophic consequences. As the diameter of the aneurysm increases, the chances of the aneurysm rupturing rise dramatically. Large aortic aneurysms are very perilous and can be silent, with few or no symptoms. Men over 60 are particularly at risk to have an aortic aneurysm.
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This dictionary contains 19186 terms.
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