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Pyelectasis is a dilation of the renal pelvis. It is a relatively common ultrasound finding in fetuses and is three times more common in male fetuses. In most cases pyelectasis resolves normally, having no ill effects on the baby. The significance of pyelectasis in fetuses is not clear.
Human embryonic kidney 293 cells, also often referred to as HEK 293, HEK-293, 293 cells, are an immortalised cell line derived from HEK cells isolated from a female fetus in the 1970s. [ 1 ] [ 2 ] The HEK 293 cell line has been widely used in research for decades due to its reliable and fast growth and propensity for transfection .
Duplicated ureter or duplex collecting system is a congenital condition in which the ureteric bud, the embryological origin of the ureter, splits (or arises twice), resulting in two ureters draining a single kidney. It is the most common renal abnormality, occurring in approximately 1% of the population.
1. Raspberry Rally. This little treat occupies a unique spot in Girl Scout cookie history. It arrived in 2023; it was the first cookie available exclusively online, and by 2024, it was gone.
Fetal urine production begins in early gestation and comprises the majority of the amniotic fluid in the second and third trimesters of pregnancy. The fetus continuously swallows amniotic fluid, which is reabsorbed by the gastrointestinal tract and then reintroduced into the amniotic cavity by the kidneys via urination.
Hydronephrosis describes hydrostatic dilation of the renal pelvis and calyces as a result of obstruction to urine flow downstream. Alternatively, hydroureter describes the dilation of the ureter, and hydronephroureter describes the dilation of the entire upper urinary tract (both the renal pelvicalyceal system and the ureter).
Girl_Scout_Shortbread_Cookie_Box,_circa_1960.jpg (700 × 576 pixels, file size: 35 KB, MIME type: image/jpeg) This is a file from the Wikimedia Commons . Information from its description page there is shown below.
The first known cookie sales by an individual Girl Scout unit were by the Mistletoe Troop in Muskogee, Oklahoma, in December 1917 at their local high school. [13] In 1922, the Girl Scout magazine The American Girl suggested cookie sales as a fundraiser and provided a simple sugar cookie recipe from a regional director for the Girl Scouts of Chicago. [14]