[Density of receptor neuron nuclear membrane pores during the early ontogenesis of Gallus domesticus L].
In 10, 14, and 18-day-old embryos, as well as in 3, 14 and 30-day-old chickens, neurons of cerebrospinal ganglia have been studied electron microscopically. A method for quantitative evaluation of pores in nuclear envelope by means of estimating pore density index (PDI) has been suggested. By methods of regressive analysis it has been stated that neuronal development and differentiation in the cerebrospinal ganglion at embryonal and early postnatal ontogenesis of Gallus domesticus are accompanied by a regular increase in density of pores per stipulated unit of the nuclear envelope area. During the studied period of the hen ontogenesis, PDI has a characteristic exponential dependance. A suggestion is made to use the index of the pore density as a criterion for estimating functional state of the receptor neuron.
D000367:Age Factors; D000818:Animals; D002642:Chick Embryo; D002645:Chickens / Q000033:anatomy & histology*; D005727:Ganglia, Spinal / Q000196:embryology / Q000254:growth & development / Q000648:ultrastructure*; D008854:Microscopy, Electron; D009685:Nuclear Envelope / Q000648:ultrastructure
Plotnost' por iadernoĭ obolochki retseptornogo neĭrona v rannem ontogeneze Gallus domesticus L.