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Ciliary function of the frog oro-pharyngeal epithelium
Cell and Tissue Research
|March 9, 1977
Summary
Frog palate cilia exhibit distinct recovery and effective strokes, moving mucus efficiently. Ciliary coordination patterns are variable and transient, unlike those propelling water.
Area of Science:
- Cell Biology
- Microscopy
- Biophysics
Background:
- The frog palate epithelium possesses cilia crucial for mucus transport.
- Understanding ciliary beat patterns and coordination is vital for physiological processes.
Purpose of the Study:
- To investigate the beating patterns and coordination of cilia on the frog palate.
- To compare the ciliary activity on the palate with cilia involved in water propulsion.
Main Methods:
- Scanning electron microscopy
- Light microscopy
- High-speed cine micrography
Main Results:
- Cilia exhibit a distinct beat cycle: a 60 ms recovery stroke followed by a 12 ms effective stroke towards the esophagus.
- Mucus is transported on ciliary tips, with recovery strokes moving underneath.
- Ciliary coordination is highly variable, showing transient metachronal waves and diaplectic patterns.
Conclusions:
- Frog palate cilia have specific beat dynamics adapted for mucus transport.
- The variable coordination suggests flexibility in response to physiological needs.
- Palatal ciliary function differs from cilia primarily involved in fluid propulsion.