Posterior Pituitary Gland

Structural diagram of oxytocin, showing its cyclic peptide backbone, disulfide bond, and labeled residues.

Oxytocin

Diagram of the pituitary gland showing the anterior and posterior pituitary, pituitary stalk, sella turcica, and basilar artery.

Posterior Pituitary Endocrine Function

Popular

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

Bones

Bone Ossification

by Rosamund Nicholson

Graph of percent hemoglobin saturation versus PO₂, showing a central oxygen dissociation curve and dotted left- and right-shifted curves with factors affecting oxygen affinity.
Regulation of Respiration

Responses of The Respiratory System to Stress

by Alice James