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
A hormone(from the Greek participle “ὁρμῶ”, “to set in motion, urge on”) is any member of a class of signaling molecules produced by glands in multi cellular organisms that are transported by the circulatory system to target distant organs to regulate physiology and behaviour. A) Properties Regarded as “chemical messengers” of the body. They carry the message from the site of synthesis to the target … Read more
S.N Hormones Enzymes 1. These are secreted by endocrine glands. These are secreted by exocrine glands. 2. They are poured directly into the blood stream. They are released through the … Read more