The primitive marginal sinuses (PMS) are embryonic sinuses forming the later superior sagittal sinus. [ http://www.ncbi.nlm.nih.gov/pubmed/22744799 ]
This is just here as a test because I lose it
The primitive marginal sinuses (PMS) are embryonic sinuses forming the later superior sagittal sinus. [ http://www.ncbi.nlm.nih.gov/pubmed/22744799 ]