Jump to main content Jump to website footer
  • About
  • Contact
  • Jobs
  • Register
Sign In Español
  • Library Learning modules
  • Glossary Science terms
  • Classroom Custom courses
  • A-Z
  • Biology
  • Chemistry
  • Earth Science
  • Environmental Science
  • General Science
  • Math in Science
  • Physics
  • Process of Science
  • Scientists and Research

Alphabetical

Biology

Biology

hormone

[noun]

A chemical compound that is secreted from a gland directly into the blood that acts as a chemical messenger to tissues and organs.


Appears in modules:

  • Bernardo Houssay Pioneer in endocrinology
  • Cell Division I The cell cycle
  • Data Analysis and Interpretation Revealing and explaining trends
  • Luis E. Miramontes Chemist and inventor of oral contraceptives
  • Membranes I Structure and function of biological membranes
  • Membranes II Passive and active transporters
  • Percy Lavon Julian Revolutionizing medical treatment through chemical synthesis
  • Scientists and the Scientific Community The experiences that shape scientists
  • Uncovering the Mysteries of Chronic Mountain Sickness The work of Fabiola Léon-Velarde
Sign in or register

For an ad-free experience and access the Visionlearning Classroom, sign in or register.

  • Sign In
  • Register for Free
  • The Process of science book

    The Process of Science Revised Edition

    Get the paperback by Anthony Carpi and Anne Egger

    $15.99 - Buy Now

Page Footer

  • Library
  • Glossary
  • Classroom
  • About
  • Contact
  • Jobs
  • FAQ
  • US Education Department Logo
  • US Education Department Logo

Visionlearning is supported by the The National Science Foundation and the U.S. Department of Education. The views expressed here do not represent the views of our funders.

Sponsorships

Follow Visionlearning

  • Facebook
  • Twitter
  • YouTube

  • © 2000-2025 Visionlearning, Inc.
  • Privacy Policy
  • Terms of Service