What is another word for lens placode?
Pronunciation: [lˈɛnz plˈakə͡ʊd] (IPA) 
Lens placode is a term used in the study of embryology, which refers to a thickened area of ectoderm that forms at the beginning of the development of the eye lens. There are various synonyms for the term lens placode such as optic placode, optic vesicle, embryonic eye disc or optic disc, which are used interchangeably. The optic placode eventually differentiates into the optic cup, which will later develop into the iris, retina, and other parts of the eye. The study of the development of the lens placode plays a critical role in understanding the mechanism of ocular development and in the treatment of various eye disorders.
