Thyroid gland
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...
Properties and functions of hormones
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...
Principal vitamins and its function
Vitamins Function Deficiency A(retinol) Rhodopsin synthesis, normal health of epithelial cells, and bone and tooth growth. Rhodopsin deficiency, night blindness, retarded growth, skin disorders,...