Occipital Emissary Foramina in South Indian Modern Human Skulls

Table 1

Incidence of occipital emissary foramina in different populations.

S. number	Study	Solitary; foramen	Bilateral; foramen
(1)	Boyd (1930) [7]	24/1500; (1.6%)	Nil
(2)	Sharma et al. (1986) [8]	1/214; (0.46%)	Nil
(3)	Premsagar et al. (1990) [4]	7/338; (2.07%)	Nil
(4)	Gozil et al. (1995) [5]	8/300; (2.6%)	Nil
(5)	Hossain et al. (2001) [6]	21/150; (14%)	Nil
(6)	Present study	18/221; (9.05%)	3/221