Three-dimensional angioarchitecture of tongue corrosion casts from normal young rats

The three-dimensional architecture of the vascular network of the rat's lingual papulae has been studied employing the corrosive resin cast technique. The casts of the microvasculature of these types of papillae (the small conical filiform, true filiform, fungiform and vallate papillae) have be...

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Bibliographic Details
Published in:Annals of anatomy 1998-08, Vol.180 (4), p.327-330
Main Authors: Makiyama, Maria Cecília Kumiko, Watanabe, Ii-Sei, Mizusaki, Cristina Ioshie, Junior, Bruno König
Format: Article
Language:English
Subjects:
Angioarchitecture
Animals
Capillaries - ultrastructure
Corrosion cast
Female
Male
Microcirculation - ultrastructure
Microscopy, Electron, Scanning
Models, Structural
Rat
Rats
Rats, Wistar - anatomy & histology
SEM
Tongue
Tongue - blood supply
Tongue - ultrastructure
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Summary:The three-dimensional architecture of the vascular network of the rat's lingual papulae has been studied employing the corrosive resin cast technique. The casts of the microvasculature of these types of papillae (the small conical filiform, true filiform, fungiform and vallate papillae) have been observed under scanning electron microscopy (SEM). The microvascular arrangements of the filiform papillae consist of well-defined simple or twisted capillary loops. The fungiform papillae have a cylindrical form with a central hole, and the capillary network gives shape to the whole papilla. Finally, the capillary bed of the oval-shaped vallate papilla with its characteristic network and small hairpin-like loops was also examined.
ISSN:0940-9602
1618-0402
DOI:10.1016/S0940-9602(98)80037-X