in transition from the optical picture with the use of halfthin sections for the identification of the corresponding cells to an electronomicroscopic study of `` '' dark '' '' neurons it was found that these cells possess a certain type of ultrastructure : an increased number of ribosomes , deep invagination of karyolemms , an expansion of the perinuclear space , a significant number of slit , tortuose channels of the endoplasmatic reticulum , a somewhat increased laminar golgi complex with large vacuoles .
C0007634
e cel
C0042219
vacuol