Pituitary Gland and Adrenal Gland
Adrenal gland 4X.jpg
Adrenal Gland 20X cortex-medulla.jpg
Adrenal gland 20X cortex.jpg
Adrenal Medulla 20X.jpg
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Toggle ItemPituitary 4XA: Hypothalamus is nervous tissue that has secretory neurons that secrete oxytocin and ADH into herring bodies in that pars nervosa.
B: Infundibulum is a stalk of nervous tissue that runs down to the pars nervosa.
C: Pars Tuberalis is a portion of the adenohypophysis that surrounds the pituitary stalk.
D: Pars Nervosa is derived from a downgrowth of nervous tissue from the hypothalumus.
E: Pars Intermedia
F: Pars Distalis or anterior pituitary houses FSH, LH, ACTH, TSH, GH, and Prolactin
Toggle ItemPituitary 20XA: Acidophilic chromophils produce growth hormone and prolactin and they stain brightly due to their acidic nature
B: Basophilic chromophils produce follicle stimulating, leutinizing, adrenocorticotropic, and thyroid stimulating hormones. They stain less bright than the acidophilic chromophils
Toggle ItemPituitary 40XA: Brightly staining acidophilic chromophils
B: Basophilic chromophils stain much lighter
C: Chromophobes have very few secretory granules so they don't have staining in the cytoplasm
Toggle ItemAdrenal 4XA: Adrenal cortex contains 3 different layers: glomerulosa, fasciculata, reticularis
B: Medulla is lighter staining than the cortex
Toggle ItemAdrenal 20X cortex medullaA: Zona Reticularis
Toggle ItemAdrenal 20X cortexA: Capsule is made of fibrocartilagenous tissue
B: Zona Glomerulosa secretes mineralcorticoids i.e. aldosterone
C: Zona Fasciculata secretes gluccocorticoids i.e cortisol
D: Zona Reticularis secretes androgens i.e. DHEA
Toggle ItemAdrenal 40XA: Zona Reticularis
B: Noradrenaline secreting cells stain with a more pink color.
C: Adrenaline secreting cells stain purple
Both of these type of cells are considered chromaffin cells and secrete catacholamines epinephrine and norepinephrine