Barrier

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Related to placental barrier: Blood brain barrier

Barrier

1. See: Trade barrier.

2. See: Barrier Option.
References in periodicals archive ?
Often a woman's body burden of chemicals can be passed in utero through the placental barrier, affecting fetal neurological development.
Perhaps it had crossed the placental barrier, sensitized the baby and eventually caused development of lesions that we saw at delivery.
Likewise, substances that were not known to cause birth defects because they could not pass through the placental barrier might cause birth defects because access to the fetus is possible as a nano‐sized particle.
We knew that the malformations develop because some lupine alkaloids cross the placental barrier and have a neuromuscular blocking effect," Panter explains.
Another possible explanation could be that the influenza virus would have crossed the placental barrier, causing some foetuses to suffer a cerebral infection.
Although unlikely to cross the placental barrier, LACV IgM antibodies detected in cord serum might have been attributable to transplacental leakage induced by uterine contractions that disrupt placental barriers during labor, which has been documented for anti-Toxoplasma IgM antibodies (5).
ALL antidepressants, because they are lipophilic (ie, very fat soluble), readily cross the placental barrier and also appear in varying amounts in the breast milk.
Psychotropic medicines are designed to get past the blood-brain barrier and reach the brain, which means they will likely pass through the placental barrier without any difficulty.
Capillaries and villous trophoblast constitute placental barrier which not only separates the maternal and fetal blood but also fulfills a transport role.
Many substances a mother comes in contact with may cross the placental barrier and affect her fetus.
An innovative mouse-model design was used to determine if Fusobacterium nucleatum, a common organism associated with periodontitis, can invade the placental barrier.