Is Pars intermedia functional in humans?
The Pars intermedia is a region located in the middle part of the pituitary gland, which is a small gland located at the base of the brain. In humans, the Pars intermedia is considered to have little to no functional significance. It is derived from the embryonic Rathke’s pouch, which is the precursor of the anterior and intermediate lobes of the pituitary gland.
Although the Pars intermedia is present in humans, it does not typically play a significant role in hormone production or regulation, unlike the anterior and posterior lobes of the pituitary gland. The anterior lobe (Adenohypophysis) is responsible for producing and releasing various hormones that regulate growth, reproduction, metabolism, and stress response. The posterior lobe (Neurohypophysis) stores and releases hormones produced by the hypothalamus, such as oxytocin and vasopressin.
Therefore, while the Pars intermedia is anatomically present in humans, it is not considered to be functionally important in hormone regulation or physiological processes.
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