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  • Title: [Tyrosine hydroxylase in telencephalon and diencephalon of Rhodeus sericeus (Cyprinidae)].
    Author: Pushchina EV.
    Journal: Tsitologiia; 2009; 51(1):63-77. PubMed ID: 19281050.
    Abstract:
    Immunohistochemical labeling of tyrosine hydroxylase was used to demonstrate catecholaminergic neuronal populations in the telencephalon and diencephalonof adult cypryniform fish Rhodeus sericeus. Various immunoreactive cell populations have been found in the telencephalon (ventral, central and lateral nuclei of ventral telencephalic area). Immunoreactive cells and fibers were discovered in dorsal nucleus of ventral telencephalic area and supracomissural nucleus in the caudal part of the telencephalon. In the diencephalon, periventricular nuclei (preoptic, periventricular nucleus of posterior tuberculum and periventricular organ) contained considerable TH-ergic cells. High activity of tyrosine hydroxylase was revealed in the pretectal, ventro-medial, ventro-lateral and suprachiasmatic nuclei. Periventricular hypothalamic nuclei also displayed high activity of tyrosine hydroxylase. Pseudounipolar neurons prevailed in all TH-immunereactive structures of the telencephalon and diencephalon: numerous bipolar liquor-contacting cells were discovered in the periventricular nuclei. Large pear-shaped cells and bipolar TH-ergic cells were found in posterior tuberculum. These cells may be functionally related to the dopamine-acquiring system.
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