English (United Kingdom)

https://curated-unify.zendy.io/wp-json/zendy-region/v1/featured_content/oa?rat=en

https://curated-unify.zendy.io/wp-json/zendy-region/v1/highlighted_journal/

Global: Zendy Plus annual

Presents the access of premium content as premium feature

Premium Content

Presents the keyphrase highlighting as premium feature

Keyphrase Highlighting

Presents the summarisation as premium feature

Summarisation

Insights

Presents the pdf analysis as premium feature

PDF Analysis

Presents the zaia usage as premium feature

ZAIA

Global: Zendy Tools annual

Global: Zendy Free Plan

Global: Zendy Tools monthly

Global: Zendy Plus monthly

The sphincter muscles of the anus of Crocodilia are differentiations of the postpelvic portion of the system of the m. rectus abdominis rather than of the true eaudal muscles. The copulatory muscles of the Carinatæ are derived from the m. sphincter ani solely, whilst in the Ratitæ they are also differentiations of muscles which are still attached to the pelvis, and are, therefore, skeleto-genital. The mammalian sphincter ani does not take a share in the muscle supply of the copulatory organ, and thus exhibits a difference from Birds and Lizards.

III. Remarks on the cloaca and on the copulatory organs of the amniota