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Progenitor cells
Progenitor cells Or precursor cells. In fetal or adult tissues, these are partially differentiated cells that divide and give rise to differentiated cells.
RELATED TERMS--------------------------------------
Fetal
Having to do with the fetus.
Differentiated
Having developed into a specialized cell or tissue type
.
SIMILAR TERMS--------------------------------------
Progeny
Children.
Progeria
Premature aging.
Progestasert
Progestasert 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): progesterone.
Progesterone
A hormone produced in response to luteinizing hormone (LH) released from the pituitary gland. It is required to flush out the uterus if an egg is not fertilized. It is also useful for stimulating the growth of new bone mass.
Progestin
Synthetic form of the female sex hormone progesterone.
Progestin-induced hermaphroditism
A syndrome of hermaphroditic birth defect of the sex organs induced in the 46,XX gonadally female fetus by synthetic hormones, derivatives of progesterone and 19-nortestosterone, formerly used in cases of threatened miscarriage in the untried belief, subsequently proved erroneous, that they would preserve the pregnancy. After crossing the placenta in a small percentage of cases the hormone given to the mother had a masculinizing effect on the external genitalia of the daughter fetus.
Progestins
Synthetic analogs of progesterone that have some of the properties of natural progesterone.
Progestogen
A synthetic type of progesterone
Proglycem
Proglycem 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): diazoxide.
Prognosis
The anticipated outcome of treatment.
Prograf
Prograf 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): tacrolimus.
Progressions Health Systems
The Progressions Health Systems is a hospital in Fort Washington, Pennsylvania, United States.
Progressive Care Center
The Progressive Care Center is a hospital in Uniontown, Pennsylvania, United States.
Progressive Of Media
The Progressive Of Media is a hospital in Media, Pennsylvania, United States.
PREVIOUS AND NEXT TERMS--------------------------------------
Peak Expiratory Flow (PEF)
A measurement of lung function, established by the patient's blowing into a special device. The higher the number recorded, the better the lung function. PEF is dependent on the severity of the disease, gender, age and height. A lower reading than expected may be caused by an allergy.
Pollen
Pollen is the male fertilising agent of flowering plants, grasses, trees and weeds.
Provocation test
Also called a challenge test. A test performed on eyes, nose or lungs and used to diagnose an allergy or monitor the effect of e.g. specific allergy vaccination. The allergen is introduced in increasing doses to the organ to see if the person reacts and, if so, at what level of exposure.
Pluripotent stem cells (PSCs)
Stem cells that include in their progeny all cell types that can be found in a postimplantation embryo, fetus, or developed organism.
Precursor cells
Or progenitor cells - In fetal or adult tissues, these are partially differentiated cells that divide and give rise to differentiated cells.
Progenitor 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
See Pronucleus.
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