Review / Actual Questions & Complete Answers
2025/2026.
Terms in this set (127)
What is the first stage of Menstrual Cycle
the menstrual cycle (that
lasts 4-7 days) known as?
What is the second stageFollicular
Phase of the menstrual cycle (lasting 8-13 days)
known as?
What is the third stage of the Ovulatory Phase
menstrual cycle, occurring at
day 14, known as?
What is the final stage of the Luteal Phase
menstrual cycle known as?
What occurs during the FSH causes follicle maturation in the ovary. Increased oestrogen
follicular phase of the causes the endometrium to thicken and become a nourishing
menstrual cycle? environment for a potential pregnancy.
Define Ovulation A period of heightened hormones where a dominant follicle
releases an egg into a Fallopian tube.
Which hormone is LH (Luteinizing Hormone)
responsible for ovulation?
, Oestrogen decreases, progesterone increases due to the
What happens during the
corpus luteum.
luteal phase of the
menstrual cycle?
What happens during the Oestrogen and progesterone decrease and the endometrial lining
menstrual phase of the is shed.
menstrual cycle?
How long is an egg viable for 1 day
following ovulation?
What happens if an egg is Progesterone decreases, corpus luteum is reabsorbed and
not fertilised? FSH causes new follicles to start maturing.
Define capacitation The protective covering of the acrosome of the sperm is
removed.
What sort of reaction begins Cortical reaction - cortical granules block any other sperm from
when a sperm comes into entering the egg
contact with an egg?
How many chromosomes 46, in 23 homologous pairs
does a zygote contain?
How many cells does the 8 to 16
merula have?
How many cells does the 16 to 32
blastocyst have?
How many days after 6 to 10 days
ovulation can implantation
occur?
Define decidualisation Progesterone increases, creating a hospitable environment for
the developing fetus.
What are trophoblasts? Cells on the outer layer of the blastocyst
What are integrins? Cell adhesion molecules that work in implantation.