Embryology and Development — Flashcards

Only the _____ pharyngeal membrane develops while the rest do not develop into any structure and regress.

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

Retinal vessels originate from mesenchymal tissue during week _____ of gestation

On the left side, the 6th arch artery _____

Cervix:corpus ratio at puberty is _____

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

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

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

The extraocular muscles are formed from the _____derm

The corneal epithelium is formed from the _____derm