Glands Hormones Endocrine system Homeostasis Pathology
100
Lister 3 major endocrine glands
1. Hypothalamus 2. Pituitary 3. Thyroid gland 4. Parathyroid glands 5. Thymus gland 6. Pineal gland 7. Pancreas 8. Adrenal glands
100
What is estrogen?
Responsible for the development of breasts
100
What are the messengers of the endocrine system?
Hormones
100
What is more common in the endocrine system: positive feedback or negative feedback?
Negative feedback
100
What condition is caused by excessive GH secretion in childhood?
Gigantism
200
What is the biggest endocrine gland?
The pancreas
200
What is testosterone?
Causes facial hair growth, larynx enlargement, and sex organ development in males
200
How do hormones travel through the body?
Through the bloodstream
200
Which two hormones are produced by the pancreas to regulate blood glucose levels?
Insulin and glucagon
200
What disease is characterized by abnormally high blood glucose levels?
Diabetes
300
Which gland is known as the master gland and why
The Pituitary Gland because it stimulates most of the glands to release their hormones
300
What is insulin?
Allows the cells in the muscles, fat and liver to absorb glucose that is in the blood
300
What occur on the cell membranes and are necessary for binding hormones?
Receptor cells
300
What two categories of hormones does the hypothalamus produce to regulate the secretion of other hormones?
RH (releasing hormones) and IH (inhibiting hormones)
300
A lack of iodine in the diet causes the thyroid gland to enlarge. What is this condition called?
Goiter
400
What are the ovaries and testes?
These glands are responsible for male and female sex development and onset of puberty
400
What is the parathyroid hormone?
Helps increase the rate of calcium absorption
400
Where are hormone receptors found?
On target cells
400
Calcitonin is secreted when blood calcium levels get too high. It opposes the action of which hormone?
Parathyroid hormone
400
What is the autoimmune disease that causes hypersecretion of thyroid hormones?
Graves Disease
500
If a person has diabetes insipidis, in which gland would you look for the cause?
the pituitary gland
500
What is Adrenalin?
A hormone secreted by the adrenal glands, especially in conditions of stress, increasing rates of blood circulation, and breathing
500
What types of hormones bind to extracellular receptors? What types of hormones bind to intracellular receptors?
Intracellular: peptide & amino acid derivatives Extracellular: lipid derivatives
500
Explain how a negative feedback loop works
A stimulus causes the creation of a product which then negates the stimulus.
500
What disorder is characterized by oversecretion of cortisol, usually caused by a pituitary tumor?
Cushing's syndrome






The Endocrine System

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