Embryology and Development — Flashcards

Development of notochord:The cranial end of the primitive streak thickens to form the _____

The extraocular muscles are formed from the _____derm

The lens plate forms and the embryonic fissure develops by _____ weeks

The corneal epithelium is formed from the _____derm

The urinary and reproductive organs are developed from the _____ mesoderm.

Retinal vessels originate from mesenchymal tissue during week _____ of gestation

Heuser's membrane (exocoelomic membrane) is formed on day _____ of pre-embryonic development

Primary centre of ossification of fibula appears at _____ week of intrauterine life.

Cervix:corpus ratio at puberty is _____

On the left side, the 6th arch artery _____