The Menstrual Cycle (Grade 12 NSC Matric Life Sciences): Flashcards
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Duration of menstrual cycle
Duration of menstrual cycle
Approximately 28 days
Day ovulation typically occurs
Day ovulation typically occurs
Day 14
Ovulation
Ovulation
Release of mature egg from ovary
Corpus luteum
Corpus luteum
Yellow structure from empty follicle; produces hormones
FSH's role in ovaries
FSH's role in ovaries
Stimulates follicle development
What LH triggers
What LH triggers
Ovulation and corpus luteum formation
Hormone produced by corpus luteum
Hormone produced by corpus luteum
Progesterone
Menstrual phase timing
Menstrual phase timing
Days 1-7
Two cycles within menstrual cycle
Two cycles within menstrual cycle
Ovarian cycle and uterine cycle
Progesterone's effect on FSH/LH
Progesterone's effect on FSH/LH
Inhibits production (negative feedback)