Falsecolour transmission electron micrograph TEM of a cell of the human anterior pituitary gland adenohypophysis showing the secretion of gonadotrophic hormones gonadotrophins The cell nucleus at bottom left is coloured orange circular packets of hormone in the surrounding cytoplasm are coloured dark pink The group of gonadotrophins includes any hormones synthesised secreted by the pituitary that act on the sex organs to produce sex hormones and sperm or ova Important examples include folliclestimulating hormone and luteinizing hormone Magnification x at xcm size
