- Cerebral Gray Matter 281
Central
sulcus
Parietal
operculum
Temporal operculum
Frontal
operculum
Circular
sulcus
Anterior
long gyr.
Frontal & parietal
opercula
Te m p o ra l
operculum
Insula
Ant. short
gyr.
Middle
short
gyr.
Post.
short
gyr.
Posterior
long gyr.
Precentral
sulcus Postcentral
sulcus
Transverse temporal
gyri (Heschl’s gyri)
Transverse temporal
gyri (Heschl’s gyri)
Anterior lobule - short insular gyri
Posterior lobule - long insular gyri
Circular
sulcus
Orbital
operculum
Short
insular
sulcus
DRAWING 16-4 Th e Insula