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Comparative Study
. 1991 Nov;112(11):541-2.

[The dendritic spines of the pyramidal neurons in layer V of the rat sensorimotor cortex following a 14-day space flight]

[Article in Russian]
P V Belichenko, I B Krasnov
  • PMID: 1810500
Comparative Study

[The dendritic spines of the pyramidal neurons in layer V of the rat sensorimotor cortex following a 14-day space flight]

[Article in Russian]
P V Belichenko et al. Biull Eksp Biol Med. 1991 Nov.

Abstract

There was made a quantitative study of the influence of 14 days space flight ("Kosmos-2044") on dendritic spine (DS) density of the layer V pyramidal neurons of rat sensomotor cortex. There was found an increase of the number of apical DS lying in the layers III-IV in the flight group only. Number of DS on oblique dendrites was increased in the III-IV cortical layers both in the flight and tail-suspended rats. There was also an increase in the number of DS on basal dendrites in all experimental groups. Obtained data are compared with similar 7 days flight results ("Kosmos-1667") and other data of nervous tissue plasticity in weightlessness.

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