In this visual medical lecture Dr. Aizaz from MedicoVisual talks about Somites, Somitomeres, Somitogenesis and changes in Intraembryonic mesoderm during third week of Development of Human Embryo.
00:00 Intraembryonic Mesoderm is not an undifferentiated structure
01:06 Intraembryonic Mesoderm is subdivided into Axial, Paraxial, Intermediate and Lateral Plate Mesoderm
03:50 Paraxial mesoderm is segmented into Somites to form the Vertebral column and related structures [Somitogenesis]
05:30 Somitogenesis
06:51 Partially segmented mesodermal columns are called Somitomeres
09:04 What are Somites
09:54 What is the difference between Somites and Somitomeres
10:21 Each somite is further divided into Dermatome, Myotome and Sclerotome
12:01 What are Neuromers
13:50 Dermatome vs Dermotome
14:28 Somites can be used to determine the age of Embryo
16:27 Lateral Plate mesoderm is further divided into Splanchnopleuric and Somatopleuric layers
17:46 Intraembryonic celom

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