Pituitary pocket

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Diagram of two stages of human embryoogenesis, Rathke's pocket was marked

Rathke's pouch - In embryogenesis, the diverticulum of the throat opposite the cheek-pharyngeal membrane. As the embryo grows, the diverticulum loses communication with the throat and produces the frontal lobe of the pituitary gland. The front wall of the pocket proliferates by filling the pocket and forming pars distalis and pars tuberalis of the gland, with the rear part of the pars intermedia. In some organisms (man is the exception) proliferating front wall pockets do not fill it completely, leaving a gap, so called. Rathke's cleft. Craniopharyngioma can develop in the pancreas of the pouch.

The name of the structure is commemorated by the German embryologist Martin Heinrich Rathke, who examined it and described it in the first half of the nineteenth century. Bibliography

See terms related to medical terms and related wikipedia.

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