โ Scribed by Merklin, Robert J.
No coin nor oath required. For personal study only.
The gross and microscopic anatomy of the suprarenal gland lymphatic system was studied in post mortem specimens and specimens in which the venous system was injected with blue latex solution.
Extensive subserous lymphatic networks overlie the suprarenal gland. Deep to these networks are the lymphatic vessels proper of the suprarenal gland. These vessels lie within the suprarenal gland capsule and communicate with the subserous lymphatic network. Their primary routes of drainage, however, are directed medialward, passing to the thoracic duct or cisterna chyli either directly or by way of regional lymph nodes. A few capsular lymphatic vessels extend toward the diaphragm or the kidney. The regional lymph nodes are small, few in number and situated at the lower medial aspect of the gland.
Microscopic examination of serially sectioned suprarenal glands revealed a complete absence of lymphatic vessels in the cortical and medullary parenchymal tissue.
Lymphatic vessels were found only in the capsule and in the adventitia of the central vein and its major tributaries.
A close association between capsular lymphatic vessels and veins was noted and in a number of specimens capsular lymphatic vessels were traced to the inferior vena cava where they assumed a close relationship with vasa vasorum.
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