[The postnatal development of the hemato-C-cellular system in the thyroid of rats sympathectomized with guanethidine].
We used ultrastructural morphometry to examine submicroscopical organization of spatial contacts between the C-cells and perifollicular hemocapillaries in the thyroid gland of 2-, 4-, 12-, 26-, and 52-week-old rats desympathized with guanetidine. We found that desympathization does not affect typology of ultrastructural elements of the hemato-C-cellular complex, and predominant coupling of the vascular pole of the C-cell with peripheral zone of endotheliocyte highly effective in terms of transport. Postnatal changes of certain parameters of the hemato-C-cellular system, however, undergo some statistically significant changes. Under experimental conditions, we observed the formation of hemato-C-cellular contacts simultaneously involving two C-cells.
Krasnoperov
R A
RA
Grachev
S V
SV
Glumova
V A
VA
Riashchikov
S N
SN
D000375:Aging; D000818:Animals; D002196:Capillaries / Q000254:growth & development / Q000648:ultrastructure; D004730:Endothelium, Vascular / Q000254:growth & development / Q000648:ultrastructure; D006145:Guanethidine; D008297:Male; D008854:Microscopy, Electron; D051381:Rats; D018709:Statistics, Nonparametric; D013563:Sympathectomy, Chemical; D013961:Thyroid Gland / Q000098:blood supply / Q000254:growth & development* / Q000294:innervation / Q000648:ultrastructure
D006145:Guanethidine