Ultrastructural description of a 'cylinder organelle' in the outer plexiform layer of human retinas

J. Craft, D. M. Albert, T. W. Reid

Research output: Contribution to journalArticle

2 Scopus citations

Abstract

A cylinder like organelle ('cylinder organelle') present in the outer plexiform layer of the retina and apparently confined to the horizontal cell processes is described. This structure was studied in detail in three normal human retinas from eyes enucleated for ciliary body melanomas. The cylinder organelle, when cut longitudinally, showed an electron lucent area bound by two bands of electron dense filaments. In transverse section, the cylinder organelle revealed a circular profile of electron dense crisscrossing filaments about an electron lucent matrix. Since this structure was only found in the rod spherule synaptic complex, it is hypothesized that it may be involved in transmitting impulses.

Original languageEnglish (US)
Pages (from-to)923-927
Number of pages5
JournalInvestigative ophthalmology
Volume14
Issue number12
StatePublished - Dec 1 1975

ASJC Scopus subject areas

  • Medicine(all)

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