This is a preview. Log in through your library . Abstract During the reproductive cycle, the females of avian species metabolize large amounts of calcium, deposit large amounts of apatite in ...

Patient-derived parathyroid organoids (PTOs) could pave the way for future physiology studies and drug-screening applications, as shown in a new study. Patient-derived parathyroid organoids (PTOs) ...

The thoracic thymus is the primary vertebrate organ for T-cell generation. Accessory cervical thymi have also been identified in humans and mice, and shown in mice to be independent functional organs ...

The endocrine system comprises glands and tissues that produce hormones to regulate and coordinate vital bodily functions. This article, the third in an eight-part series on the endocrine system, ...

Background A 54-year-old man presented to the emergency department of his local hospital with a 1-year history of fatigue, weight loss, and constipation. He had abused alcohol for many years, and his ...