Organ in the body of an animal that secretes substances A hormone released by the pancreas. In humans it is either for use by the body or for elimination (excretion). broken down to glucose through the action of hormones, as more glucose is demanded for respiration. This hormone and insulin work together to control the of sugar in the blood. gland glucagon Unsightly enlargement of the thyroid gland due to Hormones that act on or stimulate the gonads, excessive production of the hormone thyroxine. e.g. FSH and LH. goitre stimulating hormones Results from an overactive thyroid. Thyroid enlarges Produced by anterior lobe of pituitary. An (goitre), eyeballs protrude and is an increased rate excess results in giantism and a deficiency results in of metabolism, weight loss, increased blood pressure dwarfism. and nervousness. disease growth hormone Chemicals produced in the meristematic regions and Hormone secreted by an implanting fertilised egg transported through the vascular system of plants. They (blastocyst). It maintains the corpus luteum in the affect the rate of growth (cell division) or development (until the ninth week of the gestation period, after of plants when they are in very low concentrations. which the placenta takes over) and prevents the breakdown of the endometrium. The analysis of urine for the presence of this hormone is used to confirm pregnancy. (plant) growth regulators HCG: human chorionic gonadotrophin
Organ in the body of an animal that secretes substances either for use by the body or for elimination (excretion). gland A hormone released by the pancreas. In humans it is broken down to glucose through the action of hormones, as more glucose is demanded for respiration. This hormone and insulin work together to control the of sugar in the blood. glucagon Unsightly enlargement of the thyroid gland due to excessive production of the hormone thyroxine. goitre Hormones that act on or stimulate the gonads, e.g. FSH and LH. stimulating hormones Results from an overactive thyroid. Thyroid enlarges (goitre), eyeballs protrude and is an increased rate of metabolism, weight loss, increased blood pressure and nervousness. disease Produced by anterior lobe of pituitary. An excess results in giantism and a deficiency results in dwarfism. growth hormone Chemicals produced in the meristematic regions and transported through the vascular system of plants. They affect the rate of growth (cell division) or development of plants when they are in very low concentrations. (plant) growth regulators Hormone secreted by an implanting fertilised egg (blastocyst). It maintains the corpus luteum in the (until the ninth week of the gestation period, after which the placenta takes over) and prevents the breakdown of the endometrium. The analysis of urine for the presence of this hormone is used to confirm pregnancy. HCG: human chorionic gonadotrophin
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