Sentences with phrase «presence of estrogen»

The female breast contains cells called estrogen receptors which are stimulated by the presence of estrogen (or xeno - estrogens) into producing more mammary tissue.

Researchers now think that in female animals, the presence of estrogen promotes female development at specific life stages, and having a second X chromosome makes female brains different from those of males.

The sensor sends an electronic signal is the presence of estrogen and, with further development, could test estrogen levels in bodily fluids or test waterways for estrogen contamination that might pose a risk to humans and the environment.

They found that in the presence of estrogen the short aptamer device produced an electrical signal, while the long aptamer device did not.

Typically, ER - positive tumor growth is driven by the presence of estrogen.

They've discovered a group of immune regulating genes that become more active in the presence of estrogen, offering a clue to how the hormone's normally protective effects could go awry.

An elevation of decarboxylase activity was obtained in vitro when oviducts from immature chicks were incubated in the presence of estrogen.

«Our anaylsis suggests that biomarkers like E-cadherin are even more important than tumor size, tumor grade, the presence of estrogen receptors or the age of the patient.»

Unfortunately, the standard tools for assessing risk of metastasis — such as the size of the tumor, its grade, the presence of estrogen receptors and the proportion of dividing cells — are «insufficient,» note the authors, «for clinical decision making.»

Here's what doctors know about heart disease and menopause: Women tend to have heart attacks and heart problems about a decade later than men, on average, and experts have attributed that buffer period to the presence of estrogen.

While the presence of estrogen, progesterone, and testosterone is necessary for balanced body functioning in both men and women, too much or too little of any or all will cause problems.

A low LH level is compatible with the presence of estrogen and presumably ovarian tissue.

A dogs prognosis (expected life expectancy is based on the nature of the tumor including the tumor size, whether the cancer has spread to nearby lymph nodes and other areas of the body (metastasis), how deep the tumor is into the tissue and the presence of estrogen receptors (estrogen receptors in cells can change cell behavior).

A low LH level is compatible with the presence of estrogen (and presumably ovarian tissue).

Even with Anya Stroud yelling at you from a helicopter in the first game and searching for Dom's wife, Maria in the sequel, the presence of estrogen in the series has been lacking.