Endocrine

Question 1

allow cells to communicate with each other to regulate body activities.

Answer 1

Chemical Messengers

Question 2

is the controlled release of chemicals from a cell.

Answer 2

Secretion

Question 3

What are the four chemical messengers

Answer 3

Autocrine , paracrine, neurotransmitter s, endocrine

Question 4

stimulates the cell that originally secreted it, and sometimes nearby cells of the same type

Answer 4

Autocrine Messenger

Question 5

are local messengers. These chemical messengers are secreted by one cell type but affect neighboring cells of a different type.

Answer 5

Paracrine chemical messengers

Question 6

are chemical messengers secreted by neurons that activate an adjacent cell, whether it is another neuron, a muscle cell, or a glandular cell.

Answer 6

Neurotransmitters

Question 7

are secreted into the bloodstream by certain glands and cells, which together constitute the endocrine system.

Answer 7

Endocrine Chemical Messengers

Question 8

is composed of endocrine glands and specialized endocrine cells located throughout the body

Answer 8

Endocrine system

Question 9

Endocrine glands and cells secrete minute amounts of chemical messengers called

Answer 9

Hormones

Question 10

Hormones then travel through the general blood circulation to

Answer 10

Target tissue or effector

Question 11

Endo

Answer 11

Within

Question 12

Krino

Answer 12

Secrete

Question 13

have ducts that carry their secretions to the outside of the body, or into a hollow organ, such as the stomach or intestines

Answer 13

Exocrine Glands

Question 14

The study of the endocrine system, known as

Answer 14

endocrinology

Question 15

are nonpolar, and include steroid hormones, thyroid hormones, and fatty acid derivative hormones, such as certain eicosanoids.

Answer 15

Lipid soluble hormones

Question 16

2 types of chemical nature of hormones

Answer 16

Lipid soluble hormones , water soluble hormones

Question 17

Hormones exert their actions by binding to proteins called

Answer 17

Receptors

Question 18

The portion of each receptor molecule where a hormone binds is called a

Answer 18

Receptor site

Question 19

The tendency for each type of hormone to bind to one type of receptor, and not to others, is called

Answer 19

Specificity

Question 20

are enzymes that, in turn, regulate the activiy of other enzymes.

Answer 20

Protein kinases

Question 21

The amount of time cAMP is present to produce a response in a cell is limited. An enzyme in the cytoplasm, called

Answer 21

phosphodiesterase

Question 22

Consists of ductless gland that secrete hormones into the interstitial fluid

Answer 22

Endocrine System

Question 23

Is an important autonomic nervous system and endocrine control center of the brain located inferior to the thalamus

Answer 23

Hypothalamus

Question 24

is made up of two lobes connected by a narrow band called the isthmus

Answer 24

Thyroid gland

Question 25

Thyroid hormones are synthesized and stored within the gland in numerous

Answer 25

Thyroid follicles

Question 26

The main function of the thyroid gland is to secrete

Answer 26

Thyroid hormones

Question 27

are embedded in the posterior wall of the thyroid gland

Answer 27

Parathyroid gland

Question 28

Secrets thymosin which enhances the functions of the immune system

Answer 28

Thymus

Question 29

Secrets melatonin which may help regulate the onset of puberty by acting on the hypothalamus

Answer 29

Pineal Gland