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General Pathology
Crew haircut appearance in X-ray skull and Gamna Gandy bodies are associated with sickle cell anemia due to chronic hemolysis and bone marrow hyperplasia.
Physiology
The macula densa is a specialized group of epithelial cells located in the distal convoluted tubule at the junction with the afferent and efferent arterioles. It plays a role in the tubulo-glomerular feedback mechanism to regulate renal blood flow
Physiology
An increase of the pressure within one of the carotid sinuses would result in an increase in The activity of cardiac vagal fibers