adjective
definition
Pertaining to the amnion.
Examples of amniotic in a Sentence
The extensive conjunctival defect, involving one-half of the bulbar conjunctiva, was reconstructed with an amniotic membrane allograft.
Transplantation of preserved human amniotic membrane for surface reconstruction in severely damaged rabbit corneas.
There were five deaths due to amniotic fluid embolism (where the fluid enters the mother's circulation ), fewer than previous reports.
All the controls were active comparisons, tho these included potato peelings and amniotic membrane as well as conventional treatments.
A needle is inserted through the mother's abdominal wall into the amniotic sac holding the baby.
A needle is inserted through the mother 's abdominal wall into the amniotic sac holding the baby.
By the sixth week of pregnancy the embryo is already encased in an amniotic sac of fluid.
Natural surfactant can be extracted from animal lungs or human amniotic fluid.
In general, a 10 ml sample of amniotic fluid or a chorionic villus biopsy is required.
A dark bubble (the amniotic sack) will begin to protrude from the vulva.
The amniotic sac may or may not break during labor, and the birth attendant may rupture the bag with an amnio-hook, which looks a little like a large crochet hook.
Amniotic sac-The membranous sac that contains the fetus and the amniotic fluid during pregnancy.
Testing can also be done by amniocentesis after 16 weeks gestation by removing a small amount of the amniotic fluid surrounding the baby and analyzing the cells in the fluid.
This test uses fluid collected from the sac around the fetus (amniotic fluid) instead of blood to detect the viral DNA.
An amniocentesis may be performed in which fetal cells are removed from the amniotic fluid and enzyme activity is measured.
Amniocentesis (sampling amniotic fluid) between 20 and 24 weeks of gestation can detect toxoplasmosis in the fetus.
Characteristically, with fraternal twins, each has its own placenta and amniotic sac.
The placenta has one chorion and two amnions, so each twin has its own amniotic sac.
Thirdly, monochorionic-monoamniotic twins are contained in the same amniotic sac.
Since they share an amniotic sac, they have an increased risk of their umbilical cords becoming entangled or knotted.
Amniotic membrane-The thin tissue that creates the walls of the amniotic sac.
Amniocentesis-A procedure performed at 16-18 weeks of pregnancy in which a needle is inserted through a woman's abdomen into her uterus to draw out a small sample of the amniotic fluid from around the baby for analysis.
The amniotic fluid can be examined for signs of chromosome abnormalities or other genetic diseases.
In some cases, tight amniotic bands may constrict the developing fetus, preventing a limb from forming properly, if at all.
It is estimated that amniotic band syndrome occurs in between one in 12,000 and one in 15,000 live births.
It is not known what makes the amniotic bands behave in this way in some instances and not in others.
If a problem with amniotic band constriction is detected early enough, it may be possible to correct the bands before there is significant damage to limb development.
There have been cases in which physicians have detected amniotic band constriction and performed minimally invasive surgery that freed constricting amniotic bands and preserved the affected limbs.
Oligohydramnios-A reduced amount of amniotic fluid.
Without amniotic fluid to breathe, a baby will have underdeveloped and immature lungs.
Polyhydramnios-A condition in which there is too much fluid around the fetus in the amniotic sac.
Clinicians have suctioning equipment available and may use it during the birth process for nasal and oral suctioning to remove mucus and amniotic fluid.
Amniotic fluid-The liquid in the amniotic sac that cushions the fetus and regulates temperature in the placental environment.
Amniotic fluid also contains fetal cells.
When a fetus experiences stress, (oxygen deprivation) in utero, it may pass meconium (feces) into the amniotic fluid.
Once the uterus is opened, the amniotic sac is ruptured and the baby is delivered.
If the spine malformation is not skin covered, alpha-fetoprotein from the fetus's circulation may leak into the surrounding amniotic fluid, a small portion of which is absorbed into the mother's blood.
In the case of early separation, the two fetuses either share an amniotic sac or each has a separate amniotic sac.
If the two fetuses have separate amniotic sacs, they can either share a placenta or have two separate placentas.
This can cause the urine, which normally flows out into the amniotic fluid surrounding the fetus, to back up and injure the kidneys.
If only one kidney is affected and there is a normal amount of amniotic fluid, prenatal intervention is not required.
However, in addition to kidney damage, urinary tract obstructions can lead to multiple abnormalities and depleted amniotic fluid, which endangers the fetus and prevents the lungs from growing.
About 10 percent of fetuses with urinary tract obstructions may require prenatal surgery in which a device is placed in the fetus's bladder to drain the urine into the amniotic sac.
As a result the pumping twin has reduced volumes of blood and amniotic fluid and the recipient twin as increased volumes, leading to a variety of problems, including the risk of heart failure in both fetuses.
The damage appears to be caused by leakage of fluid from the spinal cord and exposure of the cord to amniotic fluid.
A narrow tube in placed through a tiny hole in the uterine wall, through which the amniotic fluid is drained and collected in syringes.
Prior to the final stitch the amniotic fluid is re-injected into the uterus.
A tiny hole was made in the bladder of the fetus and a catheter (a long, thin tube) was inserted to drain the urine directly into the amniotic fluid.
For urinary tract obstructions a needle may be used to insert a catheter through the mother's abdomen and uterus and into the fetal bladder where it drains the urine into the amniotic fluid.
The most common treatment for TTTS is amnioreduction in which a syringe through the mother's abdomen is used to remove amniotic fluid from the overfilled sac and place it in the sac of the other twin.