Foetal Physiology

Placental Development

Diagram of fetal circulation showing the heart, lungs, liver, umbilical vessels, major blood vessels, and the ductus arteriosus, ductus venosus, and foramen ovale.

Foetal Circulation

Popular

Microscopic image of pink smooth muscle fibres with elongated dark-stained nuclei and a pointer.
Muscle Histology

Smooth Muscle

by Hannah McPhee

Diagram of a single hepatic lobule showing the portal field, portal venule, hepatic arteriole, bile ductule, hepatocytes, sinusoids, central vein, Kupffer cells, stellate cells, endothelial cells, and space of Disse.
Special Circulations

Hepatic Circulation

by Maab Elsaddig

Diagram of a platelet cross-section labeled with microtubules, dense tubules, surface-connected tubules, coat, glycogen, mitochondria, alpha granules, and dense granules.
Haematology

Platelets

by Tanzeelah Jamadar