Pituitary gland

• Pituitary gland is also known as what?

  Hypophysis
• The pituitary gland is divided into 2 main parts, namely?

  Anterior and posterior
• Anterior pituitary gland is also known as what?

  Adenohypophysis
• Posterior pituitary gland is also known as what?

  neurohypophysis
• Subdivision of adenohypophysis?

  pars distalis, pars tuberalis, and pars intermedia
• Subdivision of neurohypophysis?

  pars nervosa and infundibular stalk
• PARS DISTALIS constitutes 75% of the adenohypophysis and has a FIBROUS capsule.
• What are the components of pars distalis?

  well-stained endocrine cells, fenestrated capillaries, and reticular connective tissue
• Chromophobes: pituitary cells that LACK secretory granules and is INACTIVE and UNDIFFERENTIATED
• Chromophils: secretory cells in which hormone is stored in cytoplasmic granules
• Chromophils is also known as what?

  basophils and acidophils
• What are the ACIDOPHILS?

  Somatotrophs and lactotrophs
• What are the BASOPHILS?

  Gonadotrophs, thyrotrophs, and corticotrophs
• Pars tuberalis: smaller, funnel-shaped region
• What surrounds the infundibulum?

  part tuberalis
• Most cells of pars tuberalis are what?

  GONADOTROPHS
• Pars Intermediate: narrow zone lying between the pars distalis and pars nervosa
• Pars intermedia contains what?

  basophils-corticotrophs and chromophones