All but One of the Following Statements Is True with Regard

question 12

Multiple Choice

All but one of the following statements is true with regard to the blood testis barrier.Select the one statement that is false.

• A) The barrier is made up of astrocytes that surround blood vessels in the testis.
• B) The barrier marks the border between the basal compartment and the adluminal compartment.
• C) The barrier separates the spermatocytes dividing by meiosis from exposing their unique antigens to the immune system.
• D) Sustentocytes form the barrier with tight junctions.

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Definitions:

Self-Antigens

Molecules produced by the body that are recognized by the immune system as part of the self, preventing an immune response against them.

Apoptosis

A process of programmed cell death that occurs in multicellular organisms, characterized by cell shrinkage, chromatin condensation, and DNA fragmentation.

Antibody

A blood protein produced in response to and counteracting a specific antigen; antibodies recognize and neutralize foreign substances such as bacteria and viruses.

Antigen

A substance that induces an immune response in the body, especially the production of antibodies.