cell mass

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cell mass

In embryology, the mass of cells that develops into an organ or structure.
See also: mass
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Patient discussion about cell mass

Q. what is the most accurate pathological test to identify the primary source of a cystic mass in the neck? the mass was removed. Pathologist was unable to identify the source and diagnosed the mass as a branchilogic carcinmoa (which is extremely rare, if exists at all). Therefore, I am looking for the most updated test and examinations that can be applied to blocks of the mass and determine their origin (primary source)

A. Pathologic examinaions under a microscope are the most accurate ones there are, and sometimes even they don't help to identify the cell types. I do not have any other ideas on other tests you can do, and I believe you should follow the treatment your doctors will advise you based on this diagnosis they have made.

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References in periodicals archive ?
5 g dry cell mass of Bacillus clausii KP10 was used for extraction [25].
Grade of the inner cell mass, but not trophectoderm, predicts live birth in fresh blastocyst single transfers.
There is increase in red cell mass (driven by an increase in maternal erythropoietin production), but the increase is relatively less, compared with the increase in plasma volume and net result being a dip in Hb concentration.
High cell mass is >1.2 x [10.sup.12] cells/[m.sup.2] plus one or more of the following:
The fastest expansion of the [beta] cell mass occurs in late fetal gestation.
The differential equations which captured the dynamics of mixed carbohydrates consumption (S), cell mass formation (X), and crude protein (CP) synthesis are given below:
Cell mass required for inoculum development was obtained by growing each culture separately on YM medium in Erlenmeyer flask aerobically at 30[degrees]C on rotary shaker incubator with 150 rpm for 48 h.
By weight, muscle and fat are the heavy hitters, making up 75 percent of cell mass. But those cells tend to be big and represent only about 0.2 percent of the human body cell number.
Currarino syndrome is caused by abnormality in the canalization and retrogressive differentiation of caudal cell mass formed by secondary neurulation [12,13].
Growth kinetic parameters were as follows: specific growth rate () = 0.046; td = 15.02 h; Yp/x = 0.0139 max = 0.0458 h-1 qp(max)= 0.0011 U h-1 mg-1 cell mass. The activation energy for the enzyme production Ea(p) was 108.69 kJ mol-1.
Through this undertaking, JST aims to develop a new drug-discovery support system that will integrate a single-cell mass spectrometry method developed by the RIKEN Quantitative Biology Center's Laboratory for Single Cell Mass Spectrometry with high-speed imaging and high-precision positioning technologies that Yokogawa has developed for its confocal scanner units and drug-discovery support devices.