Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
9 Cards in this Set
- Front
- Back
|
What is a hormone? What cells are affected by a hormone?
|
A chemical secreted into the blood by an endocrine gland that causes change in target cells somewhere in the body.
|
|
|
What is a hormone called when it is secreted by neurons?
|
A neurohormone.
|
|
|
What is the paracrine system?
|
The system where cells do not secrete regulatory chemicals into the blood.
|
|
|
What are pheromones?
|
Chemicals released into the environment that aid in animal-to-animal communication.
|
|
|
What are the four chemical categories of hormones?
|
Polypeptides, Glycoproteins, Amines, Steroids.
|
|
|
What are the two subdivisions of steroids?
|
Sex steroids (testes, ovaries, placenta, adrenal cortex) and Corticosteroids (only adrenal cortex).
|
|
|
Where are catecholamines produced? What amino acid are they derived from? What are two catecholamines?
|
The adrenal medulla. Tyrosine. Epinephrine (adrenaline) and Norepinephrine (noradrenaline).
|
|
|
Hormones can be lipophobic (polar) or lipophilic (nonpolar). Which hormones are lipophilic?
|
The steroid hormones and thyroxine.
|
|
|
Card Set Incomplete
|
I'll get around to it soon.
|
