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give me real pituitary gland

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Here are real pituitary gland images from authoritative medical textbooks:

The Pituitary Gland - Real Textbook Images

1. Anatomy - Sagittal & Coronal Views

Sellar and parasellar anatomy showing the pituitary gland in sagittal (A) and coronal (B) views
Figure: Sellar and parasellar anatomy. A (left): Sagittal view showing the pituitary gland sitting in the sella turcica, connected to the hypothalamus via the infundibulum (stalk). The three parts of the anterior pituitary are visible: pars distalis, pars tuberalis, and pars intermedia. The pars nervosa forms the posterior lobe. B (right): Coronal view showing the gland's key neighbors - the optic chiasm above, the cavernous ICA on each side, cranial nerves III, IV, V1, V2, VI running laterally, and the sphenoid sinus below.
  • Mulholland and Greenfield's Surgery, 7e

2. Histology - Normal Anterior Pituitary (H&E)

Normal pituitary histology - H&E stain (A) and growth hormone immunostain (B)
Figure 24.1: Normal pituitary histology. (A) H&E stain showing the mixed cell population of the anterior pituitary: the arrow points to an acidophil (eosinophilic cytoplasm - somatotrophs/lactotrophs), the arrowhead points to a basophil (basophilic cytoplasm - gonadotrophs, thyrotrophs, corticotrophs). (B) Immunostain for human growth hormone showing GH-positive somatotrophs highlighted in orange-brown.
  • Robbins, Cotran & Kumar Pathologic Basis of Disease

3. Histology - Whole Sagittal Section (H&E x50)

Sagittal section of the pituitary gland at low magnification
Plate 21.1: Pituitary gland, sagittal section (H&E x50). The two lobes are clearly demarcated. The large anterior lobe (left - deeper pink/purple, densely cellular) contains the hormone-producing cells. The posterior lobe (right - lighter staining) is neural tissue. The tissue between them is the pars intermedia with the remnant of the Rathke's pouch cleft.
  • Histology: A Text and Atlas, with Correlated Cell and Molecular Biology

Key Facts

FeatureDetail
Size~1 cm, ~0.5 g
LocationSella turcica of the sphenoid bone
Anterior lobe (80%)Adenohypophysis - secretes GH, PRL, ACTH, TSH, FSH, LH
Posterior lobe (20%)Neurohypophysis - stores/releases ADH (vasopressin) and oxytocin
Blood supplySuperior & inferior hypophyseal arteries
Clinical concernTumors compressing the optic chiasm cause bitemporal hemianopsia

Create an anatomy poster of pituitary anatomy and hormone pathways

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Pituitary Anatomy & Hormone Pathways Poster
Here's your anatomy poster covering:
Anatomy section - sagittal brain view with the pituitary in the sella turcica, labeled infundibulum, optic chiasm, hypothalamus, sphenoid sinus, and both lobes.
Anterior pituitary hormones (adenohypophysis):
  • GH → liver/bones (growth, IGF-1)
  • TSH → thyroid (T3/T4)
  • ACTH → adrenal cortex (cortisol)
  • FSH/LH → gonads (sex steroids)
  • PRL → mammary glands (lactation)
Posterior pituitary hormones (neurohypophysis - produced in hypothalamus, stored here):
  • ADH/Vasopressin → kidneys + blood vessels
  • Oxytocin → uterus + mammary glands
Feedback loop - showing hypothalamic releasing hormones (CRH, TRH, GnRH, GHRH) and the negative feedback axis.
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