Embryo Anatomy is a photograph by Maurizio De Angelis/science Photo Library which was uploaded on November 16th, 2019.
Embryo Anatomy
Embryo anatomy, illustration. The organs in a developing human embryo appear at different times, here shown in around the fourth week. The heart... more
Title
Embryo Anatomy
Artist
Maurizio De Angelis/science Photo Library
Medium
Photograph
Description
Embryo anatomy, illustration. The organs in a developing human embryo appear at different times, here shown in around the fourth week. The heart (ventricle and atrium shown) develops from around 21 or 22 days. The digestive system (oesophagus shown) starts to develop from the third week. Lung buds (shown with trachea) appear in the fourth week. The eyes (eye placode shown here) develop from around the third week. The otic placodes (early form of the ears) appear at around 22 days. Also shown here is the first pharyngeal pouch, the internal carotid artery, the left dorsal artery, and the truncus arteriosus (which will later form the aorta and pulmonary artery).
Uploaded
November 16th, 2019
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