During Embryonic Development,the Lens of the Eye Develops Directly from an Invagination

question 24

Multiple Choice

During embryonic development,the lens of the eye develops directly from an invagination of the lens placodes called the

• A)optic groove.
• B)optic vesicle.
• C)optic stalk.
• D)prosencephalon.
• E)lens vesicle.

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Definitions:

Latent Period

The time interval between exposure to a pathogen or initiating event and the onset of symptoms or disease.

Antigen

A substance that the immune system can recognize as foreign or dangerous, triggering an immune response.

Primary Response

The initial response of the immune system to a new antigen, characterized by a gradual increase in the production of antibodies.

Fc Fragment

The crystallizable fragment of an antibody that interacts with cell receptors and the complement system, playing a key role in the immune response.