10 Questions
What is the process in which sperm must undergo maturational changes to acquire the ability to fertilize oocytes?
Capacitation
Why are human spermatozoa unable to fertilize oocytes while bathed in seminal plasma?
Seminal plasma inhibits capacitation
What is the effect of re-exposure to seminal plasma on spermatozoa?
Inhibits capacitation
Who described the process of capacitation more than 50 years ago?
Austin and Chang
What is the primary factor in seminal plasma that prevents capacitation in ejaculated spermatozoa?
Progesterone
What is the term for the process during which sperm acquire the ability to fertilize oocytes?
Capacitation
Which of the following statements regarding the effect of seminal plasma on spermatozoa is true?
Seminal plasma prevents spermatozoa from undergoing the acrosome reaction
What is inhibited in spermatozoa by prolonged or re-exposure to seminal plasma?
Acrosome reaction
Which of the following is a key reason why human spermatozoa cannot fertilize oocytes while bathed in seminal plasma?
Presence of a factor preventing capacitation
What was described more than 50 years ago by Austin and Chang?
The process of capacitation
Learn about the maturational changes sperm undergo to acquire the ability to fertilize oocytes, a process known as capacitation. Discover how seminal plasma affects capacitation and the factors preventing it in ejaculated sperm.
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