All traffic to The Virtual Embryo has been redirected to its new home. If you have bookmarked this page, please update your bookmark to this location. Advanced Developmental Biology Advanced Developmental Biology and Developmental Biology have now been merged into a single resource: Dynamic Development. This approach is based upon the assumption that learning is a continuum; we learn the basics first and build upon them as our knowledge expands. Each module begins with an introductio ...

Welcome to the Developmental Biology ONLINE! web site. This site is intended to give students enrolled in ZOO*2100 Developmental Biology supplemental learning material. Links to the Current Course Outline and the Undergraduate Calendar Description will provide general course information. | Anatomical Terms and Planes of Section | Gametogenesis | Cleavage | Gastrulation | The Frog Embryo | The Chick Embryo | | Histology and Histogenesis | Regeneration | Slide Presentations | Gl ...

Developmental Mechanisms Problem Set This problem set will introduce you to the basic concepts of development in a variety of organisms. You will also learn about the experiments that gave scientists in the early 20th century insight into the mechanisms of development. Instructions: The following problems have multiple choice answers. Correct answers are reinforced with a brief explanation. Incorrect answers are linked to tutorials to help solve the problem. Definition of a homeotic gene ...

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The Introduction to Muscle Physiology and Design Index This is an index to a few aspects of Muscular Physiology. Currently, we have pages about: General Overview The Cross-bridge Cycle Cellular Energy Stores Glucose Metabolism Fat Metabolism Creatine Phosphate Fiber Types Using Histochemistry to Determine Muscle Properties Fiber Lengths Physiologic Cross-sectional Areas Microscopic Structure Macroscopic Structure Myofilament Structure Using ...

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The Circulatory System The Circulatory System is the main transportation and cooling system for the body. The Red Blood Cells act like billions of little UPS trucks carrying all sorts of packages that are needed by all the cells in the body. Instead of UPS, I'll call them RBC's. RBC's carry oxygen and nutrients to the cells. Every cell in the body requires oxygen to remain alive. Besides RBC's, there are also White Blood Cells moving in the circulatory system traffic. White Blood Cells ...

Sizing Up A human being's heart is about the size of that human being's fist. As the body develops, the heart grows at the same rate as the fist. So an infant's heart and fist are about the same size at birth. In the womb, however, that similarity was not always true. During the first few weeks after conception, the fetal heart occupies most of the fetus' mid-section. The heartsize to bodysize ratio is nine times greater in the fetus than in the infant. During those ...

The Heart: An Online Exploration NOW OPEN! From the moment it begins beating until the moment it stops, the human heart works tirelessly. In an average lifetime, the heart beats more than two and a half billion times, without ever pausing to rest. Like a pumping machine, the heart provides the power needed for life. This life-sustaining power has, throughout time, caused an air of mystery to surround the heart. Modern technology has removed much of the mystery, but there is s ...

This site is proud to have been awarded: HYPERMUSCLE: MUSCLES IN ACTION By: John Bruenger Ted Fischer from Anatomy and Cell Biology Chris Chapman Jane Tucker Amy VerHelst Wanda J. Wysor Special Thanks to: Reginal Humphrey Steve Perrin William Jaynes from Instructional Technology Networking Document Information This is a multimedia interactive HTML document which will help medical students learn the muscle actions of the human body. Each muscle action is listed in the ...

WELCOME to ZYGOTE, a website for more information in Developmental Biology! What it's here for The major function of this website is to provide materials to supplement and enrich courses in developmental biology. It is not a textbook. While its chapter headings are those of a textbook, the learner is able to choose his or her own path through the different "exhibits". It is more like a museum than a book. Welcome! It is hoped that this website will be accessible by any student or faculty me ...