An endocrine gland situated at the root of the neck, one on either side of the trachea. Bi-lobed, connected to each other by an isthmus. Weight is about 20-40gm, 4 to 4.8 x 1 to 1.8 x 0.8 to 1.6 cm in size, in adults. Larger in females as compared to males. Changes occur in … Read more
Introduction It is situated in the neck in front of the larynx and trachea at the level of 5th, 6th, and 7th cervical and 1st thoracic vertebrae. It is highly vascular ‘H’ shaped brownish red gland. It weighs about 25 grams which is surrounded by fibrous capsule. It consists of 2 lobes, one on either … Read more
Introduction The glands which do not have any duct are called ductless glands or endocrine glands. Literally, the term ‘endocrine’ means internally secreting. Their secretions are called internal secretions or hormones. These are released directly into the blood, which carries them to different parts of the body, and where they coordinate their metabolic activities. They … Read more