Exam 34: Chemical Coordination: Endocrine System

Neurosecretory cells

Many hormones are controlled by negative feedback mechanisms that operate between the endocrine gland and the ______ ______.

Why do you suppose there is only one hormone produced by the intermediate lobe of the anterior pituitary?

_____________ is a newly discovered hormone that regulates eating behavior and energy balance,probably in communication with the brain.

Cortisol causes the conversion of nonglucose compounds,especially amino acids and fats,into glucose by a process called ___________________.

Recent evidence suggests that lipid-soluble hormones such as estrogen, may also bind to membrane-bound receptors that activate second messenger systems in the same way as peptide hormones. Explain how a hormone such as this can exhibit multiple and complex systems of control of target cells.

The pituitary gonadotropins are _______ _______ ________ and luteinizing hormone (LH).

In the human menstrual cycle,ovulation is induced by a surge of ________ ________ from the pituitary gland.

What hormone stimulates the production of insulin-like growth factor or somatomedin by the liver in humans?

What is the term for chemicals produced by cells to affect their own immediate region or local tissue factors?

A hormone that lowers the blood calcium level by inhibiting bone resorption by the osteoclasts is ____________.

The second messenger that relays a hormone's message to the cell's biochemical machinery

Cells involved in the immune response communicate with each other through a large group of polypeptide hormones called

The maintenance of a normal level of calcium in the blood is under the control of hormones released from the _________ glands.

What hormone is NOT a product of the anterior lobe of the pituitary?

Outline the basic operational mechanisms of a generalized hormone.Be sure to explain mode of transport,receptor molecules,and target cells.

Which pair below lists the two English physiologists who first demonstrated the action of a hormone?

Discuss the membrane-bound receptors and the second messenger concept (e.g. ,kinases).

Identify the following according to their functions: cholesterol,glucocorticoids,gluconeogenesis,mineralocorticoids,aldosterone.

The posterior pituitary lobe hormone that has the widest distribution and is probably the parent hormone from which many others evolved is