A major organ of the endocrine system, the anterior pituitary (also called the adenohypophysis or pars anterior) is the glandular, anterior lobe that together with the posterior lobe (posterior pituitary, or the neurohypophysis) makes

Crop milk is a secretion from the lining of the crop of parent birds that is regurgitated to young birds. It is found among all pigeons and doves where it is referred to as pigeon milk. An analog to crop milk is also secreted from the esophagus of flamingos and the male emperor penguin. D

Medical use Adverse effects Mechanism of action Calcitriol increases blood calcium levels ([Ca2+]) by: Biosynthesis and its regulation Interactive pathway map Metabolism History Names External links Hormones Vitamins (A11) Drugs used for psoriasis (D05) Vitamin D receptor modulators P