 | ||
 |  |  |
Membranes of the Ovum
To use any of the clipart images above (including the thumbnail image in the top left corner), just click and drag the picture to your desktop. You may also control-click (Mac) or right-click (Windows) and choose "Save file to disk" from the pop-up menu. Click here for help downloading and using clipart files.
* A TIFF file is a high-resolution (240 dpi) format. TIFF files should be used only if you are printing the clipart. Do NOT use TIFF files for clipart that will displayed on a computer screen. Click here for help downloading and using TIFF files. File Name: 51284_ovum
Description: Diagrammatic section showing the relation in a mammal between the primitive alimentary canal and the membranes of the ovum. The stage represented in this diagram corresponds to that of the fifteenth or seventeenth day in the human embryo, previous to the expansion of the allantois; c, the villous chorion; a, the amnion; a', the place of convergence of the amnion and reflexion of the false amnion a", or outer or corneous layer; e, the head and trunk of the embryo, comprising the primitive vertebrae and cerebrospinal axis; i, the simple alimentary canal in its upper and lower portions. Immediately beneath the right hand i is seen the fetal heart, lying in the anterior part of the pleuroperitoneal cavity; v, the yolk sac or umbilical vesicle; vi, the vitellointestinal opening; u, the allantois connected by a pedicle with the anal portion of the alimentary canal.
Source: Baker, W. Morrant & Harris, Vincent Dormer Kirkes' Hand-book of Physiology, 13th ed. (Philadelphia: P. Blakiston's Son & Co., 1892) 801
Keywords: ovum, embryo
Copyright: 2009, Florida Center for Instructional Technology. See license.
| Main Menu | Site Map | Search | License | Clipart Help |
Clipart ETC is a part of the Educational Technology Clearinghouse and is funded by various grants. Produced by the Florida Center for Instructional Technology, College of Education, University of South Florida. Email the project manager.