subcommissural organ

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sub·com·mis·sur·al or·gan

[TA]

a microscopic organ, made up of columnar ciliated ependymal cells, located in the cerebral aqueduct beneath the posterior commissure of the brain; it is believed to have a neurosecretory function.

Synonym(s): organum subcommissurale

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References in periodicals archive ?

The epithalamus is the roof of the diencephalon and the postmedian epithalamus of its dorsal part is subcommissural organ. There are two long and thick optic nerve fibers in the back of the diencephalon.

Comparative Morphology and Histology of the Brain in Chinese Toad (Bufo gargarizans) and Chinese Fire-billed Newt (Cynops orientalis)/Morfologia e Histologia Comparada del Cerebro en el Sapo Chino (Bufo Gargarizans) y el Triton Vientre de Fuego Chino (Cynops orientalis)

SCO-spondin is expressed in the subcommissural organ (SCO) and plays a role in neuronal development [51].

RNA Sequencing Analysis Reveals Interactions between Breast Cancer or Melanoma Cells and the Tissue Microenvironment during Brain Metastasis