∞ generated and posted on 2016.11.12 ∞

Those aspects of a disease which can be experienced but may not be objectively measured.

The synapsids are so named after the presence temporal fenestrae found in their skulls posterior to the eye sockets. These holes are associated with jaw muscle attachment (i.e., insertion).

The therapsids, in particular, are the synapsid clade that directly gave rise to the mammals.

Contrast with diapsids as well as anapsids. While the diapsids possess two pairs of temporal fenestrae, and the anapsids none, the synapsids, particularly as seen in the ancestral state, instead possessed only one.