Abstract:
:In this experiment, we investigated the influence of the photoperiod upon androgen receptor (AR) distribution and steroid concentrations in ovaries of 21-day-old bank vole females. Sections (6 mum) were assayed immunohistochemically. ARs were localized in the nuclei of granulosa cells. The strongest immunoreaction was observed in primary and early antral follicles, and declined during follicular development. P(4), A, and E(2) contents were measured by RIAs in ovarian homogenates from animals kept in two photoperiods. Ovaries of animals kept in a long photoperiod (18:6 light:dark), which stimulates gonadal activity, contained more P(4) than those kept in a short one (6:18 light:dark). There was no difference in levels of A and E(2).
journal_name
Ann N Y Acad Scijournal_title
Annals of the New York Academy of Sciencesauthors
Galas J,Slomczynska M,Kwasnik Adoi
10.1196/annals.1327.050subject
Has Abstractpub_date
2005-04-01 00:00:00pages
315-9eissn
0077-8923issn
1749-6632pii
1040/1/315journal_volume
1040pub_type
杂志文章abstract::The computation of ITD begins with preservation of the phase angle of spectral components by eighth-nerve fibers and by cells of the nucleus magnocellularis. At the level of the nucleus laminaris, the difference in phase angle of corresponding spectral components in the left and right ears is extracted. At the next le...
journal_title:Annals of the New York Academy of Sciences
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journal_title:Annals of the New York Academy of Sciences
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