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Blood: platelets, hemostasis, coagulation, blood groups, transfusion

Physiology · MBBS

Animal cell explorer

Interactive 3D

Peek inside an animal cell — pick an organelle to highlight it and learn its job.

Controls

Drag the sliders or type a value — the simulation updates live.

Study notes

An Rh-negative mother delivers an Rh-positive baby; she's given an injection. During delivery, fetal Rh+ red cells can enter the mother's blood, sensitizing her to make anti-D antibodies that would attack her next Rh+ baby (hemolytic disease of the newborn). Anti-D immunoglobulin given within 72 hours mops up fetal cells before sensitization occurs — prevention, not treatment. This is why every pregnant woman's blood group is checked at the first visit.

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