Chick and mouse embryonic lung mesenchyme were incubated in vitro with an equimolar mixture of 13 C- and 15 N-labeled adenosine, guanosine, cytidine, and uridine, and trace amounts of the four ...

The face develops from small buds of tissue positioned around the primitive mouth. The chondrogenic and myogenic cell populations contained within these facial primordia in mouse embryos have been ...

In mouse mammary epithelial cells, cytoplasmic polyadenylation element binding protein 1 (CPEB1) mediates the apical localization of ZO-1 mRNA, which encodes a critical tight junction component. In ...

The liver has a unique structure, especially at the level of individual cells. Hepatocytes, the main liver cells, release bile into tiny channels called bile canaliculi, which drain into the bile duct ...