Why Is the Blood-Testis Barrier Important

question 122

Multiple Choice

Why is the blood-testis barrier important?

• A) because spermatozoa and developing cells produce surface antigens that are recognized as foreign by the immune system
• B) because some blood contents are toxic to the spermatozoa
• C) because immature sperm cells lose their motility when they encounter any blood component
• D) because the barrier traps sex hormones, keeping them at a higher level than the blood

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Definitions:

Auditory Fluids

Liquids found within the ear, vital for the process of hearing; includes perilymph and endolymph.

Ossicles

Small bones, particularly the three in the middle ear (malleus, incus, and stapes) that aid in hearing by transmitting sound vibrations.

Audiogram

a graphical representation of a person's hearing ability, plotting the threshold of hearing for various frequencies against volume level.

-gram

A suffix denoting something written or recorded in a specified way, often used in medical and scientific terminology.