Specifically, the spleen forms within, and from, the dorsal mesentery.
en.wikipedia.org These proteins are found in hepatocytes, adipocytes, hematopoietic cells, spleen, kidney, brain, and many other organs.
en.wikipedia.org It is found in high levels in spleen, thymus, intestine and peripheral blood leukocytes, and at lower levels in lung, prostate gland and ovary.
en.wikipedia.org It is indicated only in cases of hypersplenism, or other cases of unexplained spleen enlargement.
en.wikipedia.org The dish consists of sheep's small intestines, spleen, and pancreas, fried in their own fat in such a manner that they form small spirals.
en.wikipedia.org