FOUND-hormones

Question 1

what are hormones?

Answer 1

chemical messengers that are released from a cell, travel to a target site and cause change at the target site

Question 2

what is an autocrine signalling?

Answer 2

hormone acts on same cell that it was created by

Question 3

what is juxtacrine signalling?

Answer 3

• hormone is released from one cell and travels to the cell next to it
• the 2 cells are touching and involves membrane proteins eg gap junctions

Question 4

what is paracrine signalling?

Answer 4

the hormone is released from one cell and travels to cells near it, it does not necessarily have to touch the cells

Question 5

what is exocrine signalling?

Answer 5

secretion of hormones through a duct

Question 6

what is endocrine signalling?

Answer 6

hormone travels through the blood from one tissue to another

Question 7

what is neurocrine signalling?

Answer 7

specifically refers to neurotransmitters acting on nervous tissue

Question 8

which of the following signalling systems describes the movement of amylase through the main pancreatic duct not the duodenum?
a-autocrine
b-endocrine
c-juxtacrine
d-exocrine
e-neurocrine

Answer 8

d