Human Endocrine System Flashcards Preview

Life Sciences Paper 1 > Human Endocrine System > Flashcards

Flashcards in Human Endocrine System Deck (20)
Loading flashcards...
1
Q

Exocrine function

A

The secretion of pancreatic juice which flows along the pancreatic duct into the duodenum where it helps in chemical digestion

2
Q

Endocrine function

A

The secretion of hormones by groups of cells called islets of Langerhans

3
Q

Chemical coordination

A

A slow prolonged process of communicating information throughout the body by way of chemicals called hormones

4
Q

Hormone

A

And organic chemical substance, usually a protein but sometimes a steroid, secreted by an endocrine gland and carried in the bloodstream to its target organ(s) where it regulates metabolic reactions

5
Q

Target organ

A

Specific cells that respond to a given hormone and have receptor sites for that hormone

6
Q

Endocrine gland

A

A vascular, ductless gland that secretes hormones with your carried in the bloodstream to the target organs

7
Q

Hyper secretion

A

Over secretion of a hormone

8
Q

Hypo-secretion

A

Under secretion of a hormone

9
Q

Basal metabolic rate

A

Amount of energy the body needs to keep functioning while at rest

10
Q

Hypothyroidism

A

Producing too little thyroxin, causing a slow metabolic rate

11
Q

Myxoedema

A

Condition of mental and physical sluggishness, with low blood pressure, a slow heart rate and respiratory rate and low body temperature

12
Q

Goitre

A

Swollen thyroid

13
Q

Cretinism

A

Condition in which a child does not grow physically, has immature sexual development and is mentally retarded

14
Q

Hyperthyroidism

A

Producing too much thyroxine causing a high metabolic rate

15
Q

Tissue fluid

A

Fluid that surrounds all body cells

16
Q

Steroid

A

Fat based hormones

17
Q

Hyperglaecemia

A

High levels of glucose stay in the blood

18
Q

Erythropoietin

A

EPO

Naturally occurring hormone produced in the kidney to regulate blood cell formation

19
Q

Androgenic anabolic steroids

A

AAS

Specialize derivatives of testosterone

20
Q

Negative feedback

A

The major mechanism that enables an organism to correct any change from the setpoint and so maintain homeostasis