Term Name:	adrenal gland X zone
Synonyms:	juvenile zone, X zone, x-zone
Definition:	A transient cortical layer juxtaposed to the medulla and the zona reticularis; in males, this zone rapidly involutes at the onset of puberty whereas this zone persists in females until the first pregnancy or later in adulthood in non-pregnant females
Ontology:	Uberon Ontology [UBERON:0009024]