Summary
Further studies of the neurohypophysis of the hedgehog have confirmed the presence of two distinct types of neurosecretory fibre in the infundibular process. A third type of fibre, possibly containing catecholamines, is found in the upper infundibular stem.
Lesions of the paraventricular nuclei result in vacuolation of type I nerve fibres, which contain crystal-like and aggregate bodies. Type II fibres, containing membranous inclusions, with or without osmiophilic material, apparently do not degenerate. The evidence suggests that type I fibres arise in both the paraventricular and supraoptic nuclei.
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Dedicated to Professor Berta Scharrer on the occasion of her 60th birthday.
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Campbell, D.J., Holmes, R.L. Further studies on the neurohypophysis of the hedgehog (Erinaceus europaeus). Zeitschrift für Zellforschung 75, 35–46 (1966). https://doi.org/10.1007/BF00407142
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DOI: https://doi.org/10.1007/BF00407142