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Few Useful Embryology Atlases Websites

Embryology from Henry Gray Anatomy of the Human Body is available at http://www.bartleby.com/107/2.html This 20th edition (1918) has embryology illustrations that may be searchable by keyword or by a table of contents or directly browsed by thumbnail. An encyclopedic subject index with hyperlinks to the respective pages is also available.

2. Visible Embryo
at http://www.visembryo.com/ is "a comprehensive resource of information on human development from conception to birth, designed for both medical student and interested lay people". This interesting site "offers a detailed pictorial account of normal and abnormal development." Visembryo is a resource of information on human development from conception to birth. It offers a pictorial representation of normal and abnormal development in a 23 stages spiral that navigates the 40 weeks of pregnancy.

An Atlas of Human Embryogenesis at http://www.bioscience.org/atlases/fert/indexa.htm and http://www.bioscience.org/atlases/fert/indexpic.htm has instructive material on uterus, fetus, amnion and placenta, pregnant uterus, embryogenesis, transfer across the placental membrane, chorionic villus sampling and amniocentesis, delivery and the mature placenta. This site is a part of Frontiers In Bioscience.

4. Images of Embryo is a tutorial available at http://www.med.unc.edu/embryo_images/unit-welcome/welcome_htms/contents.htm This tutorial developed by Drs. K K. Sulik and P R. Bream Jr. has line drawings used with permission from Lippincott Williams & Wilkins. Scanning Electron Micrographs (SEMs) are the primary resource in the Atlas to teach mammalian embryology with a majority of micrographs of mouse and human embryos. "The 3-D like quality of the micrographs coupled with selected line drawings and minimal text allow relatively easy understanding of the complex morphological changes that occur in utero"

5. The Multi-Dimensional Human Embryo
at http://embryo.soad.umich.edu/ is "a collaboration funded by the National Institute of Child Health and Human Development (NICHD) to produce and make available over the Internet a three-dimensional image reference of the Human Embryo based on magnetic resonance imaging. The collection of images is intended to serve students, researchers, clinicians, and the general public interested in studying and teaching human development". Important features include an Human embryo atlas (image slice selector) and a Dataset download.

6. Embryology Collaborative
at http://isc.temple.edu/marino/embryo/defaulthold.htm is an embryology resource site crafted by Thomas A. Marino, Ph.D that has some of the best resources for understanding the development of a particular organ system or systems. The material focuses on early embryology, development of the back and spinal cord, limbs, systems such as cardiovascular, respiratory, gastrointestinal, kidneys, reproductive, face, head and neck and the brain.

7. Embryology
at http://sprojects.mmi.mcgill.ca/embryology/ has been principally designed to complement the Embryology curriculum at McGill University's Faculty of Medicine. It has essentially, four units that cover broad areas such as molecules, cells, and tissues; fluids and electrolytes ;the life cycle and endocrinology metabolism and nutrition. Interestingly, an Embryology Timeline Indicator, is available at http://sprojects.mmi.mcgill.ca/embryology/timelineframe.htm

8. Embryology
from the University of New South Wales is available at http://anatomy.med.unsw.edu.au/cbl/embryo/Embryo.htm This site developed by Dr Mark Hill, has many graphical illustrations sets and is enriched by features such as Carnegie Stages, Development Notes (give information about early developmental processes)., System Notes, Movies (displaying the dynamic processes of development) and Class Notes. Each section of "Notes" is organized in a similar way giving: an introduction, overview, developmental abnormalities, histology and developmental molecular mechanisms. To illustrate the GIT Notes are available at http://anatomy.med.unsw.edu.au/cbl/embryo/Notes/git.htm while Placenta Notes is available at http://anatomy.med.unsw.edu.au/cbl/embryo/Notes/placenta.htm Current affairs of public interest, such as "Embryology in the News" (stem cells cloning) is also available.

9. The Story of the Development and Maldevelopment of the Brain at http://www.vh.org/Providers/Textbooks/FetalYoungCNS/FetalYoungCNS.html is created from the Department of Anatomy of University of Iowa College of Medicine. The contents include germ layers, embryogenesis (formation of embryo), brain development: histogenesis. Additionally, causes of brain malformations, malformations of neural tube defects and malformations of histogenesis are also dealt with. Other features that are of interest include sections on "Structural - Functional Correlation" and "Lessons Learned from Functional Imaging".

10. Genitourinary Development at http://www.meddean.luc.edu/lumen/MedEd/urology/guhome.htm is a tutorial correlating Genitourinary embryology with congenital anomalies. David A. Hatch, M.D. from Loyola University, has produced this site. The material is classified into sections that deal with Imaging of congenital genitourinary defects, bladder, kidney, penis/urethra, scrotum/testis, ureter.


Neuroembryology at http://courses.temple.edu/neuroanatomy/lab/embryo/ features graphic educative material on neural tube, spinal cord, cerebellum, midbrain, diencephalon/telencephalon and ventricular system. Cardiac Embryology from Rush Children's Heart Center is available at http://www.rchc.rush.edu/rmawebfiles/Embryology.htm . Gut Embryology at http://www.med.unc.edu/embryo_images/unit-digest/digest_htms/digesttoc.htm has illustrative graphics dealing with foregut, liver, lung, pancreas, midgut and hindgut formation.

The Human Embryology Website at http://www.med.uc.edu/embryology/ supports the current editions of Human Embryology and Essentials Of Human Embryology, (W.J. Larsen: Churchill Livingstone Inc.). The site provides Animations of developmental processes, Self-testing exercises, and Updates and links.
A particularly useful set of Embryology Links relevant to the radiologist is available at http://www.pediatricradiology.com/#5

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