During Development of the Hands and Feet in the Late

question 23

Short Answer

During development of the hands and feet in the late embryonic stage, the fingers and toes form as extensions of muscular, nervous, and connective tissue from the limb buds. Completion of finger and toe extension triggers a process in which the webbed tissue between each digit is signaled/programmed to die. This process is known as ________.

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Definitions:

Nervous

Pertaining to the nervous system, which includes the brain, spinal cord, and peripheral nerves, or feeling anxious and apprehensive.

Steroid

A type of organic molecule with a characteristic molecular structure containing four rings, used in medicine to reduce inflammation and as hormones in the body.

IgM

Immunoglobulin M, a type of antibody that is produced initially in response to an antigen and indicates a current infection in the body.

Antibodies

Proteins produced by the immune system that recognize and neutralize foreign substances such as bacteria and viruses.