Foetal Physiology

A diagram of the fetal heart with 3 ducts directing blood flow to bypass the liver and lungs.

Foetal Circulation

Placental Development

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Adaptive Immune System

T Cell Memory

by Emily Crawley

Adaptive Immune System

Antigen Processing and Presentation

by Antonia Round

Diagram showing the HPA axis with CRH being released from the hypothalamus, stimulating the anterior pituitary to release ACTH, stimulating the adrenal glands to release cortisol which has effects on multiple effector target organs including the liver, muscle, bone, immune cells, CNS. Also demonstrates negative feedback action of cortisol on the hypothalamus and anterior pituitary and regulatory effects of stress and diurnal regulation
Anterior Pituitary Gland

Cortisol and the HPA Axis

by Kishan Pankhania and Elly Voogt