Medulla of lymph node
Medulla of lymph node - Definition
It refers to the middle part of the lymph node.
Medulla of lymph node - Anatomy
It is comprised of cord-shaped lumps of lymphocytes which are kept isolated by lymph sinuses. It is made up of:
These are vessel-shaped spaces and are also known as sinusoids. They keep the medullary cords separated and are constituted by histiocytes (macrophages that cannot move) and reticular cells.
These are cords of lymphatic tissue that are made up of plasma cells macrophages and B cells.
Medulla of lymph node - Pictures
The following images would give you a visual idea about this lymphatic structure.
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