When the optic vesicle contacts overlying ectoderm, developmental events are induced, leading to ____ in the developing lens.
A) crystallin and keratin synthesis
B) crystallin synthesis
C) keratin synthesis
D) degradation of crystalline and keratin
E) apoptosis

Question

Quizplus · Accepted Answer

When the optic vesicle contacts the overlying ectoderm, it induces the ectoderm to thicken and form the lens placode, which eventually develops into the lens. This process involves the synthesis of crystallins, which are important for the lens's transparency and refractive properties. Keratin synthesis is not directly involved in lens development.

When the Optic Vesicle Contacts Overlying Ectoderm, Developmental Events Are