Effects of neurotransmitters cat pupillary sphincter
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چکیده
منابع مشابه
The cardiac sphincter in the cat.
A study of the function of the lower end of the oesophagus in the cat confirms that it behaves as a true physiological sphincter, even though histological evidence for such a structure is absent. Sphincteric action is a function of the circular muscle fibres in the lowest 2 cm. of the oesophagus. Reflex changes in tone of the sphincter are mediated through the autonomic nervous system. The effe...
متن کاملModification of auditory and somatosensory system activity during pupillary conditioning in the paralyzed cat.
The role of sensory systems in the development of behavioral conditioned responses was investigated by recording multiple-unit activity in the auditory and somatosensory pathways during Pavlovian conditioning of the pupillary-dilation responses of paralyzed cats. Establishment of conditioned pupillary-dilation responses to a white noise CS+, pupillary discrimination between the CS+ and a tone C...
متن کاملThe pupillary and ciliary components of the cat Edinger-Westphal nucleus: a transsynaptic transport investigation.
The distribution of preganglionic motoneurons supplying the ciliary ganglion in the cat was defined both qualitatively and quantitatively. These cells were retrogradely labeled directly, following injections of wheat germ agglutinin conjugated to horseradish peroxidase (WGA-HRP) into the ciliary ganglion, or were transsynaptically labeled following injections of WGA into the vitreous chamber. A...
متن کاملSympatho--adrenergic neural control of the sphincter of Oddi of the cat and the dog.
The presence of adrenergic axons within the sphincter of Oddi of the cat and dog was demonstrated using the glyoxylic acid-induced fluorescence histochemical method. After vagotomy (in cats), no reduction was observed in the number of the adrenergic axons or in the fluorescence intensity. It is concluded that the sphincter of Oddi receives direct adrenergic neural control derived from the sympa...
متن کاملNeurotransmitters
The nervous system processes sensory information and controls behavior by performing an enormous number of computations. These computations occur both within cells and between cells, but it is intercellular information processing, involving complex neural networks, that provides the nervous system with its remarkable functional capacity. The principal cells involved in information processing ar...
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ژورنال
عنوان ژورنال: Japanese Journal of Pharmacology
سال: 1984
ISSN: 0021-5198
DOI: 10.1016/s0021-5198(19)62555-2