Anterior pituitary - Wikipedia
The pars distalis (distal part) comprises the majority of the anterior pituitary and is where the bulk of pituitary hormone production occurs. The pars distalis contains two types of cells, including chromophobe cells and chromophil cells. [1] The chromophils can be further divided into acidophils (alpha cells) and basophils (beta cells). [1]
Anatomy, Adenohypophysis (Pars Anterior, Anterior Pituitary)
2022年10月3日 · Pars distalis: This is the portion where most hormone production occurs. It is the distal part of the pituitary and forms the majority of the adenohypophysis. Pars tuberalis: this tubular sheath extends from the pars distalis and winds around the pituitary stalk.
Pituitary gland | Radiology Reference Article - Radiopaedia.org
2024年7月8日 · The pars distalis is the largest part of the pituitary gland. It arises from the anterior wall of Rathke pouch . It is composed of cords of epithelial cells individually specialized to secrete trophic hormones acting on various target organs (see below).
15.7C: The Anterior Pituitary - Medicine LibreTexts
Pars distalis: This is the distal part that comprises the majority of the anterior pituitary; it is where most pituitary hormone production occurs. Pars tuberalis: This is the tubular part that forms a sheath that extends up from the pars distalis and wraps around the pituitary stalk.
17.3 The Pituitary Gland and Hypothalamus - OpenStax
There are three regions: the pars distalis is the most anterior, the pars intermedia is adjacent to the posterior pituitary, and the pars tuberalis is a slender “tube” that wraps the infundibulum.
Pituitary Gland: Anatomy, Function, and Treatment - Verywell …
2023年7月27日 · The pars tuberalis is a part that surrounds the infundibular stalk, and the pars intermedia is a thin band of cells that separates the pars distalis from the posterior pituitary lobe.
Anatomy, Head and Neck, Pituitary Gland - StatPearls - NCBI Bookshelf
2023年7月24日 · Pars distalis is a part of the anterior pituitary. It is bound superiorly by the diaphragma sellae, anteroinferiorly by the sphenoid sinus, and laterally by the cavernous sinus. The optic chiasm lies anterosuperior to the gland.
Pituitary Gland Anatomy - Medscape
2015年7月29日 · The pars distalis forms the majority of the adenohypophysis and resembles a typical endocrine gland. Cords and clusters of cuboidal secretory cells within the pars distalis contain hormones...
Pituitary | Endocrine Glands - Histology Guide
Pars Distalis - comprises most of the anterior lobe (~75%) and contains five types of endocrine cells. Chromophils - stain with H&E and secrete hormones. Acidophils - stain pinkish-red with H&E. Somatotrophs - growth hormone (GH).
Pituitary 1 - Digital Histology
The pars distalis is the enlarged anterior wall of Rathke’s pouch and is the largest portion of the adenohypophysis. It is sometimes referred to as the anterior lobe. The pars tuberalis extends upward from this main body of the adenohypophysis and forms an incomplete sleeve around the infundibulum.