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Cell body counts in human ciliary ganglia.
Investigative Ophthalmology & Visual Science
|September 1, 1986
Summary
Human ciliary ganglia cell body counts show no significant differences based on sex, age, or common diseases. These findings provide baseline data for neurological and ophthalmological research.
Area of Science:
- Neuroscience
- Ophthalmology
- Human Anatomy
Background:
- The human ciliary ganglion is crucial for parasympathetic innervation of the eye.
- Understanding its cellular composition is vital for diagnosing and treating various ocular conditions.
- Previous studies have not extensively detailed cell body counts across diverse demographics.
Purpose of the Study:
- To establish baseline cell body counts in human ciliary ganglia.
- To investigate potential correlations between cell body counts and demographic factors (age, sex).
- To assess the impact of systemic diseases (hypertension, myocardial infarction, cancer) on ciliary ganglion cell counts.
Main Methods:
- Autopsy-derived human ciliary ganglia (n=32) were analyzed.
- Cell body counts were systematically performed on each ganglion specimen.
- Data were stratified by side (right/left), sex, and age.
Main Results:
- Mean cell body counts were 2473 (right), 2316 (left), and 2394 (combined).
- Men exhibited higher mean counts (2685 combined) than women (2020 combined), though not statistically significant.
- No significant correlation was found between age and cell body counts, nor differences in individuals with hypertension, myocardial infarction, or cancer.
Conclusions:
- Human ciliary ganglion cell counts exhibit considerable individual variation.
- No statistically significant differences were observed based on sex, age, or the presence of common systemic diseases.
- These findings offer essential normative data for clinical and research applications in ophthalmology and neuroscience.