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[[File:Pituitary histology 011.jpg|thumb|150px|Adult histology]] * Carnegie stage {{CS19}} - Thick stalk with remnant of lumen (Rathke’s pouch); angiogenes

| '''Human Embryo''' (8 weeks, [[Carnegie stage 22|stage 22]]) adrenal gland showing the fetal and permanent adrenal cortex. Note that # Definitive zone - after 22-24 weeks expresses enzymes that suggest mineralocorticoid synthesis.

===pachytene stage=== ...ynema; Greek, ''pachytene'' = "thick threads") A {{meiosis}} cell division stage seen during prophase I. Prophase I is further divided into 5 stages based u