15 terms

human biology 4

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endocrine glands
ductless organ that secrete hormones into the blood stream
peptide hormone
type of hormone that is a protein, a peptide, or derived from an amino acid
steroid hormones
one of a group of hormones derived from cholesterol
second messenger
chemical signal such as cyclic AMP that causes the cell to respond to the first messenger
diabete mellitus
condition characterized by a high blood glucose level and the appearance of glucose in the urine
growth hormones
substance secreted by the anterior pituitary, control size of individualby promoting cell division, protein synthesis, and bone growth
calcitonin
hormone secreted by the thyroid gland that increases the blood calcium level
parathyroid hormone (PTH)
hormone secreted by the four parathyorid glands that increases the blood calcium level and decreases the blood phosphate level
thyroid hormone
substance produced by the anterior pitiuitary that causes the tyroxine, triiodothyronine, and calcitonin
epinephine
hormone secreted by the adrenal medulla in times of stress
norepinephrine
neurotransmitter of the postganglionic fibers in the sypathetic division of the autonomic system; also a hormone produced bt the adrenal medulla
insulin
hormone secreted by the pancreas that lowers the blood glucose level by promoting the uptake of glucose by cells, and the conversion of glucose to glycogen by the liver and skeletal muscle
glucagon
hormone secreted by the pancreas that causes the liver to break down glycogen and raises the blood glucose level
testosterone
male sex hormone
progesterone ans estrogen
female sex hormones