BARRIER

Pronunție (USA): (GB):

Traducere în limba română

barrier s.

1. barieră,

2. barieră (la intrarea în oraş).

3. hotar, graniţă.

4. (fig.) obstacol, piedică;

racial barriers discriminare rasială.

Exemple de propoziții și/sau fraze:

The blood-brain barrier is a protective network of blood vessels and tissue that protects the brain from harmful substances, but can also prevent anticancer drugs from reaching the brain.

(BBBD, NCI Dictionary)

It was a female, and the law of his kind thrust a barrier between.

(White Fang, de Jack London)

Both felt it, and for a minute looked at one another as if that invisible barrier cast a little shadow over them.

(Little Women, de Louisa May Alcott)

Also called blood-brain barrier.

(BBB, NCI Dictionary)

It may be possible to modulate miRNAs in the brain for the treatment of psychiatric disorders but research in this area has faced several challenges, for example, finding safe and biologically stable compounds that are able to cross the blood-brain barrier and then act at the desired location in the brain.

(New Light on Link between Gut Bacteria, Anxiety, Editura Global Info)

Upon administration and once it crosses the blood-brain barrier and into the cytoplasm of serotonergic neurons, carbon C 11 alpha-methyltryptophan acts as a substrate for the enzyme tryptophan hydroxylase and undergoes conversion to carbon C 11 alpha-methyl-5-hydroxytryptophan, also known as C 11 alpha-methyl-serotonin (AMS).

(Carbon C 11 Alpha-methyltryptophan, NCI Thesaurus)

The placenta transports nutrients and oxygen from mother to fetus, secretes signalling factors into the mother so she supports fetal development, and is the main protective barrier for the fetus against toxins, bacteria, and hormones - such as stress hormones - in the mother’s blood.

(Placenta changes could mean male offspring of older mums more likely to develop heart problems in later life, University of Cambridge)

Evidence from our models suggests that early in the disease, invading tumor cells are not completely protected by the blood-brain barrier and may be more vulnerable to drugs delivered to the brain via the blood.

(Brain tumor invasion along blood vessels may lead to new cancer treatments, NIH)

With a binding, contracting action on mucous membranes, skin, and other tissues, Astringent substances reduce irritation and inflammation; create a barrier against infection; help wounds and burns to heal; arrest secretion; and control bleeding.

(Astringent, NCI Thesaurus)

Non-lesional skin from children with atopic dermatitis and food allergy was more prone to water loss, had an abundance of the bacteria Staphylococcus aureus, and had gene expression typical of an immature skin barrier.

(Scientists identify unique subtype of eczema linked to food allergy, National Institutes of Health)

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