Related Experiment Videos
Thin-section transmission electron microscopy of human saliva
P O Glantz1, S E Friberg, S M Wirth
1Department of Prosthetic Dentistry, Faculty of Dentistry, University of Lund, Malmö, Sweden.
Acta Odontologica Scandinavica
|April 1, 1989
Summary
Transmission electron microscopy revealed complex microarchitectural models for human saliva. Saliva
Area of Science:
- Oral biology
- Biomaterials science
- Microscopy techniques
Background:
- Human saliva plays a crucial role in oral health.
- Understanding saliva's structure is key to its functions.
- Previous structural models of saliva were limited.
Purpose of the Study:
- To investigate the ultrastructure of human saliva.
- To elucidate the microarchitecture of whole saliva and its fractions.
- To propose a complex microarchitectural model for saliva.
Main Methods:
- Flash-frozen human saliva fractions and whole saliva were prepared.
- Thin sections (90-100 nm) were examined.
- Transmission electron microscopy (TEM) was utilized for ultrastructural analysis.
Main Results:
- Detailed ultrastructural features were observed in filamentous components.
- Whole saliva and submandibular/sublingual fractions showed significant detail.
- A distinct structure was identified with an outer reticulated zone (glycoproteins) and an inner core (electron-dense phase with vacuoles/granules).
Conclusions:
- Human saliva exhibits a complex microarchitectural organization.
- The identified structure suggests a sophisticated model for whole saliva.
- These findings advance our understanding of salivary components and their arrangement.