Organogenesis Flashcards
What does the muscle-skeletal system form from?
Paraxial mesoderm (closer to the midline)
What does the somites give rise to? (two things)
Sclerotome (cartilage and bones) and myotome (skeletal muscle tissue)
What does the dermatome give rise to?
Dermis
What does the myotome give rise to?
Myotome
What does the sclerotome give rise to?
Cartilage and bone
What is mesenchyme also called?
Embryonic connective tissue
What does the neural tube become?
The brain and spinal chord
Which is the outermost layer?
The ectoderm
Which is the innermost layer?
The endoderm
What does the ectoderm develop into?
The epidermis
What does the endoderm develop into?
Gastrodermis
What is the gastrodermis?
Lining of the gut cavity
When does the mesoderm form?
In gastrulation after the initial blastopore has folded inward