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A SCANNING ELECTRON MICROSCOPIC STUDY ON THE ARCHITECTURE OF LYMPH VESSELS AND INTRANODAL LYMPH PATHWAYS OF LYMPH NODES IN PIGS

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Please use this identifier to cite or link to this item:http://doi.org/10.14943/jjvr.36.1.1

Title: A SCANNING ELECTRON MICROSCOPIC STUDY ON THE ARCHITECTURE OF LYMPH VESSELS AND INTRANODAL LYMPH PATHWAYS OF LYMPH NODES IN PIGS
Authors: HOSHI, Nobuhiko Browse this author
HASHIMOTO, Yoshiharu Browse this author
KITAGAWA, Hiroshi Browse this author
KON, Yasuhiro Browse this author
KUDO, Norio Browse this author
Keywords: lymph flow
lymph node
pig
scanning electron microscope
Issue Date: 30-Jan-1988
Publisher: The Graduate School of Veterinary Medicine
Journal Title: Japanese Journal of Veterinary Research
Volume: 36
Issue: 1
Start Page: 1
End Page: 14
Abstract: The architecture of lymphatic microcirculation of pig lymph nodes was studied by scanning electron microscopy using a corrosion cast method. There were two types of lymph vessels for afferent lymph supply as well as those for efferent lymph drainage. Most afferent lymph vessels entered the node at the A-type hilus and penetrated deeply into the node. Others divided from the larger afferents and distributed to the convex surfaces of the node. One type of efferent lymph vessel left from the E-type hilus by several efferent trunks and was formed by confluences of many smaller lymph vessels, and the other type arose from surfaces around the peri-hilar (A-type) region, encompassing the afferent lymph vessels with numerous initial efferent vessels. The afferent lymph vessels were followed by intra-trabecular lymph channels. The peri-trabecular lymph sinuses and the peri-hilar (A-type) sub-capsular lymph sinuses were connected subsequently with the efferent lymph vessels and there was a direct communication between the cortex- and the medulla-like tissue (CT and MT). A marked difference between the casting patterns of the CT and MT was recognized ; that is, the CT was visualized as a dense coral-reef-like shape, whereas the MT exhibited a bead-like structure with numerous larger inter-spaces. These findings suggest that the intranodal lymph pathways not only share reversal in flow but are more minute and complex than those hitherto demonstrated.
Type: bulletin (article)
URI: http://hdl.handle.net/2115/3080
Appears in Collections:Japanese Journal of Veterinary Research > Volume 36, Number 1

Submitter: 獣医学部図書室

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