Hepatic tanager Hepatic tanager The hepatic tanager ("Piranga flava") is a medium-sized American songbird. Formerly placed in the tanager family (Thraupidae), it and other members of its genus are now classified in the cardinal family (Cardinalidae). The species's plumage and vocalizations are similar to other members of the cardinal family. The common name "hepatic" means "liver-coloured", namely, brownish-red. The specific name is Latin for yellow or golden. The habits of the hepatic tanager are similar to those of the western tanager. It ranges from the southwestern United States (Arizona, New Mexico, and locally in southern California and Colorado) to northern Argentina. There
Organ of Zuckerkandl Organ of Zuckerkandl The organ of Zuckerkandl is a chromaffin body derived from neural crest located at the bifurcation of the aorta or at the origin of the inferior mesenteric artery. It can be the source of a paraganglioma. The term para-aortic body is also sometimes used to describe it, as it usually arises near the abdominal aorta, but this term can be the source of confusion, because the term "corpora paraaortica" is also used to describe the aortic body, which arises near the thoracic aorta. This diffuse group of neuroendocrine sympathetic fibres was first described by Emil Zuckerkandl, a