Yr 12 Hypothalamus and Pituitary

Question 1

what two organs work together to control the body?

Answer 1

hypothalamus and pituitary gland

Question 2

Why is the pituitary gland called the master gland?

Answer 2

It works with the hypothalamus to control functions of the body.

Question 3

What system/s does the hypothalamus belong to?

Answer 3

nervous system and the endocrine system

Question 4

What is a special function of the hypothalamus?

Answer 4

it links the nervous system and the endocrine system.

Question 5

Where is the hypothalamus found?

Answer 5

The base of the brain, below the thalamus.

Question 6

What gland is found below the hypothalamus?

Answer 6

the pituitary gland

Question 7

What factors are secreted by the hypothalamus?

Answer 7

releasing and inhibiting factors

Question 8

Releasing factor

Answer 8

stimulates ( increases) the secretion of hormones

Question 9

Inhibiting Factor

Answer 9

slows the secretion of hormones

Question 10

How do inhibiting or releasing factors get to the pituitary gland?

Answer 10

through the blood system to the anterior lobe

Question 11

How to hormones get to the Posterior lobe of the Pituitary gland?

Answer 11

Hormones pass through nerves to the Pituitary gland where they are released.

Question 12

What is the other name for Pituitary gland?

Answer 12

Hypophysis

Question 13

Where is the Pituitary gland located in the body?

Answer 13

Under the hypothalamus.

Question 14

Infundibulum

Answer 14

A stalk that connects the pituitary gland to the hypothalamus

Question 15

How large is the Pituitary gland?

Answer 15

about pea sized - 13mm across.

Question 16

How many lobes are in the pituitary gland?

Answer 16

Two

anterior and posterior

Question 17

Do the lobes of the Pituitary gland work together?

what evidence is there for this?

Answer 17

No
The anterior lobe is connected by the blood stream
The posterior lobe is connected by nerves.

Question 18

Why is the pituitary gland not a real gland?

Answer 18

It does not secrete hormones, it only stores and releases them.

Question 19

Other name for the pituitary gland

Answer 19

adenohypophysis

Question 20

What organ controls the Pit, gland?

Answer 20

The hypothalamus,

It releases inhibiting or releasing factors.

Question 21

Gonadotropins

Answer 21

hormones that affect the gonads - ovaries and testes

Question 22

gonad

Answer 22

ovary or testes. Organs that make sex cells.

Question 23

Give 2 examples of gonadotropins

Answer 23

follicle- stimulating hormone (FSH)
Luteinising hormone (LH)

Question 24

What does FSH - follicle-stimulating hormone do?

Answer 24

stimulated the ovaries to produce follicles that contain eggs (ova) in the female
In the male it helps make sperm

Question 25

What does the LH do?

Answer 25

In female, helps ovulation and corpus luteum.

In male. helps make sex hormones

Question 26

Growth hormone, what does it do?

Answer 26

stimulates body growth, particularly the skeleton.

It increases the rate that amino acids are taken up by cells to make proteins,

Question 27

Another name for growth hormone

Answer 27

somatotropin

Question 28

What does thyroid stimulating hormone do?

Answer 28

TSH or thyrotropin stimulates production and release of hormones from the thyroid gland

Question 29

Adrenocorticotropic hormone (ACTH)

Answer 29

Also adrenocorticotropin

Controls the production and release of hormones from the cortex of the adrenal glands.

Question 30

Prolactin (PRL)

Answer 30

or lactogenic hormone.

Works with other hormones to initiate and maintain milk production in females.