The discovery of a well-preserved fossil is helping researchers learn more about an iconic Jurassic-period dinosaur.

The following discussion focuses on two methods of blood collection — ventral tail artery puncture and dorsal or lateral tail vein puncture. The rat tail contains a dorsal vein, two lateral ...

Unlike frogfish, the filefish uses its first dorsal fin to threaten other individuals and predators. Motor neurons of the filefish were found in the ventrolateral zone of the ventral horn ...