sphenooccipital synchondrosis

sphe·no·oc·cip·i·tal syn·chon·dro·sis

[TA]
cartilaginous union between the body of the sphenoid and the basilar portion of the occipital; it fuses by the twentieth year and thus has particular importance in forensic anthropology; incorrectly called sphenooccipital suture.
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References in periodicals archive ?
These are: (1) the Kerckring ossicle (ko), (2) posterior intraoccipital synchondrosis (pio), (3) anterior intraoccipital synchondrosis (aio), (4) sphenooccipital synchondrosis (sos), (5) petrooccipital fissure (pof) and (6) occipitomastoid suture (oms).
The sphenooccipital synchondrosis showed wide variation in the age demonstrating initial CT evidence of fusion (grade 2), ranging from 4-10 years with the mean age of 7.
Madeline, [4] who found that the sphenooccipital synchondrosis showed signs of early fusion by the age of 8 years and reached grade 4 of closure at 16 years.