pars distalis

anatomy

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July 23, 2026

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The pars distalis is the anterior lobe of the pituitary gland, a crucial component of the endocrine system. This gland, located at the base of the brain, secretes hormones that regulate other endocrine glands and bodily tissues. The pars distalis contains specialized cells that produce hormones such as growth hormone, prolactin, thyroid-stimulating hormone (TSH), adrenocorticotropic hormone (ACTH), follicle-stimulating hormone (FSH), and luteinizing hormone (LH). These hormones play vital roles in growth, metabolism, reproduction, and stress response. The release of these hormones is controlled by releasing and inhibiting hormones from the hypothalamus.1234

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hormone
Melanocyte-stimulating hormone (intermedin)
…is also found in the pars distalis of bony fishes. Here neurosecretory fibers arise from a localized region of the hypothalamus, called the nucleus lateralis tuberis, and end in contact either with the various types of secretory cells or with blood capillaries related to them. The other route of chemical…
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…is also found in the pars distalis of bony fishes. Here neurosecretory fibers arise from a localized region of the hypothalamus, called the nucleus lateralis tuberis, and end in contact either with the various types of secretory cells or with blood capillaries related to them. The other route of chemical…
Read More