Figure - PMC

Skip to main content

An official website of the United States government

Here's how you know

Here's how you know

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.

View full-text article in PMC

. 2014 Feb 25;14:12. doi: 10.1186/1471-213X-14-12

Search in PMC
Search in PubMed
View in NLM Catalog
Add to search

Copyright © 2014 Watanabe-Asaka et al.; licensee BioMed Central Ltd.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly credited. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

PMC Copyright notice

Morphological characteristics of the ventricle, atrium, and AVC during a single heartbeat. A and B: Examples of the heart at st.34 in the control (A) and regurgitating (B) medaka embryo. Light blue, orange, and black lines indicate the diameter of the ventricle, atrium, and AVC, respectively. C and D: External diameter of the ventricle, atrium, and AVC during a heartbeat in the control (C) and regurgitating (D) embryo. E–G: Characteristics of contraction of the ventricle (E), atrium (F), and AVC (G). Red and black lines indicate the regurgitated and control embryos, respectively. a: The period when the ventricle maintains the contraction; b: The atrial contraction and ventricular dilatation period; c: the ventricular contraction period.