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Pronuclei
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Pronuclei See Pronucleus.
RELATED TERMS--------------------------------------
Pronucleus
Plural: pronuclei. Refers to the haploid nucleus of egg or sperm prior to fertilization, and immediately after fertilization, before the sperm and egg nuclei have fused into a single diploid nucleus.
SIMILAR TERMS--------------------------------------
Pronestyl
Pronestyl is a prescription or over-the-counter drug which is (or once was) approved in the United States and possibly in other countries. Active ingredient(s): procainamide hydrochloride.
Pronestyl-sr
Pronestyl-sr is a prescription or over-the-counter drug which is (or once was) approved in the United States and possibly in other countries. Active ingredient(s): procainamide hydrochloride.
Pronucleus
Plural: pronuclei. Refers to the haploid nucleus of egg or sperm prior to fertilization, and immediately after fertilization, before the sperm and egg nuclei have fused into a single diploid nucleus.
PREVIOUS AND NEXT TERMS--------------------------------------
Progenitor cells
Or precursor cells. In fetal or adult tissues, these are partially differentiated cells that divide and give rise to differentiated cells.
Preimplantation embryo
The very early, free-floating embryo, from the time the egg is fertilized (zygote) until the beginning of implantation (in humans, a period of about 6 days). Also includes embryos resulting from nuclear transfer, in all the developmental stages through the blastocyst stage.
Preimplantation screening
Or preimplantation genetic diagnosis (PGD) - Before an in vitro-fertilized embryo is implanted in a woman's uterus, it can be screened for specific genetic mutations that are known to cause particular genetic diseases or for chromosomal abnormalities. One or more cells are removed from the preimplantation embryo for testing.
Preimplantation genetic diagnosis (PGD)
Or preimplantation screening. Before an in vitro-fertilized embryo is implanted in a woman's uterus, it can be screened for specific genetic mutations that are known to cause particular genetic diseases or for chromosomal abnormalities. One or more cells are removed from the preimplantation embryo for testing.
Prenatal diagnosis
Detection of abnormalities and disease conditions while a fetus is developing in the uterus. Many techniques for prenatal diagnosis, such as chorionic villus sampling and amniocentesis, require sampling placental tissue or fetal cells found in the amniotic fluid or fetomaternal circulation. Others, such as ultrasonography, can be performed without cell or tissue samples.
Pronuclei
Pronucleus
Plural: pronuclei. Refers to the haploid nucleus of egg or sperm prior to fertilization, and immediately after fertilization, before the sperm and egg nuclei have fused into a single diploid nucleus.
Peak day
The last day your cervical mucus has the consistency of egg white; usually coincides with the beginning of a temperature spike.
Pediatrician
A physician who specializes in treating infants and children up to adolescence.
Pelvic adhesions
Scar tissue from laparoscopic surgery, a cesarean section, dilation and curettage, other surgery, or pelvic inflammatory disease (PID) or other infections that can obstruct the reproductive organs.
Pelvic floor muscles
The muscles at the base of the pelvis that support the bladder, uterus, vagina, and rectum. These muscles can be strengthened by doing Kegel exercises, which involve the repeated tightening and releasing of the muscle group.
RELATED TERMS--------------------------------------
Pronucleus
Plural: pronuclei. Refers to the haploid nucleus of egg or sperm prior to fertilization, and immediately after fertilization, before the sperm and egg nuclei have fused into a single diploid nucleus.
SIMILAR TERMS--------------------------------------
Pronestyl
Pronestyl is a prescription or over-the-counter drug which is (or once was) approved in the United States and possibly in other countries. Active ingredient(s): procainamide hydrochloride.
Pronestyl-sr
Pronestyl-sr is a prescription or over-the-counter drug which is (or once was) approved in the United States and possibly in other countries. Active ingredient(s): procainamide hydrochloride.
Pronucleus
Plural: pronuclei. Refers to the haploid nucleus of egg or sperm prior to fertilization, and immediately after fertilization, before the sperm and egg nuclei have fused into a single diploid nucleus.
PREVIOUS AND NEXT TERMS--------------------------------------
Progenitor cells
Or precursor cells. In fetal or adult tissues, these are partially differentiated cells that divide and give rise to differentiated cells.
Preimplantation embryo
The very early, free-floating embryo, from the time the egg is fertilized (zygote) until the beginning of implantation (in humans, a period of about 6 days). Also includes embryos resulting from nuclear transfer, in all the developmental stages through the blastocyst stage.
Preimplantation screening
Or preimplantation genetic diagnosis (PGD) - Before an in vitro-fertilized embryo is implanted in a woman's uterus, it can be screened for specific genetic mutations that are known to cause particular genetic diseases or for chromosomal abnormalities. One or more cells are removed from the preimplantation embryo for testing.
Preimplantation genetic diagnosis (PGD)
Or preimplantation screening. Before an in vitro-fertilized embryo is implanted in a woman's uterus, it can be screened for specific genetic mutations that are known to cause particular genetic diseases or for chromosomal abnormalities. One or more cells are removed from the preimplantation embryo for testing.
Prenatal diagnosis
Detection of abnormalities and disease conditions while a fetus is developing in the uterus. Many techniques for prenatal diagnosis, such as chorionic villus sampling and amniocentesis, require sampling placental tissue or fetal cells found in the amniotic fluid or fetomaternal circulation. Others, such as ultrasonography, can be performed without cell or tissue samples.
Pronuclei
Pronucleus
Plural: pronuclei. Refers to the haploid nucleus of egg or sperm prior to fertilization, and immediately after fertilization, before the sperm and egg nuclei have fused into a single diploid nucleus.
Peak day
The last day your cervical mucus has the consistency of egg white; usually coincides with the beginning of a temperature spike.
Pediatrician
A physician who specializes in treating infants and children up to adolescence.
Pelvic adhesions
Scar tissue from laparoscopic surgery, a cesarean section, dilation and curettage, other surgery, or pelvic inflammatory disease (PID) or other infections that can obstruct the reproductive organs.
Pelvic floor muscles
The muscles at the base of the pelvis that support the bladder, uterus, vagina, and rectum. These muscles can be strengthened by doing Kegel exercises, which involve the repeated tightening and releasing of the muscle group.
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This dictionary contains 19186 terms.
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