Korean J Phys Anthropol.  1990 Dec;3(2):145-155. 10.11637/kjpa.1990.3.2.145.

Human Embryos of Carnegie Stage 13

• Kang YS
• Park HW

• KMID: 2383142
• DOI: http://doi.org/10.11637/kjpa.1990.3.2.145

Abstract

Three cases of human embryo of Carnegie stage 13 were described. The CR length of these embryos were 3.0-5.3mm. The authors made a reconstruction model using photograph, photocopy and computer. These embryos were characterized externally by 4 limb buds and 4 pairs of branchial arches, and internally closed otic pits, appearance of venous valves, septum primum and foramen primum in the heart, beginning of the right and left lung buds, appearance of lens disk.

Keyword

Human embryo; Carnegie stage 13

MeSH Terms

Branchial Region
Embryonic Structures*
Heart
Humans*
Limb Buds
Lung
Venous Valves