New User Special Price Expires in

Let's log you in.

Sign in with Facebook


Don't have a StudySoup account? Create one here!


Create a StudySoup account

Be part of our community, it's free to join!

Sign up with Facebook


Create your account
By creating an account you agree to StudySoup's terms and conditions and privacy policy

Already have a StudySoup account? Login here

BIOL 2312 Class Notes Week 5

by: Sarah Westermann

BIOL 2312 Class Notes Week 5 Biol 2312

Marketplace > University of Texas at Dallas > Biol 2312 > BIOL 2312 Class Notes Week 5
Sarah Westermann
View Full Document for 0 Karma

View Full Document


Unlock These Notes for FREE

Enter your email below and we will instantly email you these Notes for Introduction to Modern Biology II

(Limited time offer)

Unlock Notes

Already have a StudySoup account? Login here

Unlock FREE Class Notes

Enter your email below to receive Introduction to Modern Biology II notes

Everyone needs better class notes. Enter your email and we will send you notes for this class for free.

Unlock FREE notes

About this Document

We only had lecture on Thursday; Tuesday was the test In Thursday lecture we were introduced to the endocrine system
Introduction to Modern Biology II
Michelle Wilson
Class Notes
Biology, Endocrine system




Popular in Introduction to Modern Biology II

Popular in Department

This 3 page Class Notes was uploaded by Sarah Westermann on Tuesday September 27, 2016. The Class Notes belongs to Biol 2312 at University of Texas at Dallas taught by Michelle Wilson in Fall 2016. Since its upload, it has received 118 views.


Reviews for BIOL 2312 Class Notes Week 5


Report this Material


What is Karma?


Karma is the currency of StudySoup.

You can buy or earn more Karma at anytime and redeem it for class notes, study guides, flashcards, and more!

Date Created: 09/27/16
September 22, 2016  Endocrine System o Compliments the nervous system  4 Mechanisms of Cell Communication o Direct contact  Gap junction, conduction, chemically from one cell to another o Synaptic Signaling o Endocrine Signaling  systemic o Paracrine Signaling  Talking to cells around them   Changes occur locally  Stimulus => Sensor => Effector => Response o Effector: gland (production/halt production) o Sensor and Effector may be a single cell, endocrine organ, or series of endocrine organs  Hormone o Regulatory chemical o Secreted and carried in the blood o Can act at a distance from the source o Sufficiently complex   Tweaking this system is difficult  Don’t want certain hormones to affect everything o Adequately stable  Neurotransmitters o Work in synaptic area  Neurohormones o Blood based  Paracrine Regulators o Do not travel in blood o Allow cells of organ to regulate each other  Autocrine regulators o Self regulating o Positive feedback  Pheromones o Released into environment to communicating to individuals of a species o Debate over whether they are found in humans or not o Not involved in normal metabolic regulation within an animal  Paracrine regulators o Occur in most organs o Growth factors o Epidermal growth factor o Nerve growth factor o Insulin­like growth o Cytokines  Receptor proteins o Regulatory enzymes  Nitric Oxide (NO) o Functions as a neurotransmitter o Produced by endothelium of blood vessels  Erections, injuries  Endothelium stimulates vasoconstriction  Steroids o Long lasting effect o Need to be super precise when it comes to controlling or regulating steroid usage  Hormones o Lipophilic   Nonpolar  Fat soluble  Steroid and thyroid hormones o Hydrophilic (polar)  Water­soluble  All other hormones  Freely soluble in blood


Buy Material

Are you sure you want to buy this material for

0 Karma

Buy Material

BOOM! Enjoy Your Free Notes!

We've added these Notes to your profile, click here to view them now.


You're already Subscribed!

Looks like you've already subscribed to StudySoup, you won't need to purchase another subscription to get this material. To access this material simply click 'View Full Document'

Why people love StudySoup

Bentley McCaw University of Florida

"I was shooting for a perfect 4.0 GPA this semester. Having StudySoup as a study aid was critical to helping me achieve my goal...and I nailed it!"

Amaris Trozzo George Washington University

"I made $350 in just two days after posting my first study guide."

Steve Martinelli UC Los Angeles

"There's no way I would have passed my Organic Chemistry class this semester without the notes and study guides I got from StudySoup."


"Their 'Elite Notetakers' are making over $1,200/month in sales by creating high quality content that helps their classmates in a time of need."

Become an Elite Notetaker and start selling your notes online!

Refund Policy


All subscriptions to StudySoup are paid in full at the time of subscribing. To change your credit card information or to cancel your subscription, go to "Edit Settings". All credit card information will be available there. If you should decide to cancel your subscription, it will continue to be valid until the next payment period, as all payments for the current period were made in advance. For special circumstances, please email


StudySoup has more than 1 million course-specific study resources to help students study smarter. If you’re having trouble finding what you’re looking for, our customer support team can help you find what you need! Feel free to contact them here:

Recurring Subscriptions: If you have canceled your recurring subscription on the day of renewal and have not downloaded any documents, you may request a refund by submitting an email to

Satisfaction Guarantee: If you’re not satisfied with your subscription, you can contact us for further help. Contact must be made within 3 business days of your subscription purchase and your refund request will be subject for review.

Please Note: Refunds can never be provided more than 30 days after the initial purchase date regardless of your activity on the site.