Haematology

Hematopoiesis lineage diagram showing a multipotential hematopoietic stem cell branching into myeloid and lymphoid progenitors, with megakaryocytes producing thrombocytes.

Erythropoiesis

Simplified illustration of a macrophage with an irregular pale purple cell body, a large central purple nucleus, and numerous white and purple internal vesicles.

Mononuclear Phagocyte System

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

Platelets

Diagram of the coagulation cascade showing intrinsic, extrinsic, and common pathways, with clotting factors, thrombin, fibrin formation, and anticoagulant regulators.

Coagulation

Table summarizing blood groups A, B, AB, and O, showing red blood cell types, plasma antibodies, and red blood cell antigens.

Blood Groups

Iron Metabolism

Popular

Hypothalamus and Pituitary

The Hypothalamus

by Kishan Pankhania, Harriet Virely and Libby Beckingham

Adrenal Glands

The Zona Reticularis

by Kamashi Pandirajan

Regulation

Renin-Angiotensin-Aldosterone System

by Jess Speller and Asad Hashmi