Tag Archives | Blood Vascular System of Dogfish

The blood vascular system includes the heart, blood vessels (arteries and veins) and blood. Heart and Pericardium: The heart of Dogfish (Scoliodon) lies mid-ventrally beneath the pharynx in the head region. It is a simple dorso-ventrally bent S-shaped muscular tube. It lies in the pericardial cavity, bounded by a two-layered membranous pericartium. It is a median triangular cavity lying between [...]