Development of the Opercula

Diagram to illustrate the development of the opercula which cover the insula. A, Sylian fossa before opercula begin to form. B, Fronto-paretal and temporal opercula wells advances. C, All the four opercula developed but not in opposition. Labels: F.P., fronto-parietal operculum; T, temporal operculum; F.R., frontal wall of fossa; O.R., orbital wall of fossa; F., frontal operculum; O, orbital operculum; s2, anterior horizontal limb of Sylvian fissure; s3, ascending limb; s4, posterior horizontal limb.

Keywords

brain, "brain development", insula, "insular opercula", "opercula"

Galleries

Human Central Nervous System

Source

Cunningham, D.J. Textbook of Anatomy (New York, NY: William Wood and Co., 1903)

Downloads

TIFF (full resolution)

2400×650, 331.3 KiB

Large GIF

1024×277, 50.4 KiB

Medium GIF

640×173, 24.2 KiB

Small GIF

320×86, 6.7 KiB