Normal anatomy and location of the thymus
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You are here: Home » Medical Subject Notes , Pathology Notes » Normal anatomy and location of the thymus
Anatomy
Maximum weight of 20-50g achieved at puberty; after that it begins atrophy (severe stress may hasten this)
It is pyramidal, bilobed, and well encapsulated with fibrous extensions of the capsule dividing the lobes into lobules; each lobule has an outer cortical layer surrounding a central medulla
T cells and thymic epithelial cells are most of the cells there
Epithelial cell whorls with keratinized cores form the Hassall corpuscles
Macrophages, eosinophils, dendritic cells, B cells, and the occasional neutrophil may be present
Located in the anterior mediastinum
Category: Medical Subject Notes , Pathology Notes
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