The Menstrual Cycle

Further additional biology

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X V E G G C A O C L E K B D F K M X Y A I
D D X D H K T G N N R F R M Y H O D G P R
I R W F N O E I P V X X U C G W K A N Y X
V P V C Y V E N E O N E E R P C D W Y E M
O E M R N B O N K E T Q H U A N M H G N R
E Y K P G N O H E U O W S B A G H F H H I
S S P D T H P T L R Q V D L A U M U M M A
T K L Q M U R S I Q Q E G N P Y E O W A U
R T Y T L U U Q R P E Y S R I B N T X P D
O E U C O P R J Y F R S O T C C O C D D S
G T L F R D W S E A Q G W T X S P U L S P
E A Q O A F R V T Q E L Y M L Q A Q C A L
N N C C N G I I R S T C X O K Y U K L Y K
I A C C F T U O T I O H D C T R S L N S N
U P I P A T E E G Q V K A R F W E A Y U W
D A M G I E R G W F H I E T J U N R B G A
L Q E P X O V O R A J B Y B N P A Y F W C
A N Q A N X F W K N U L D G X D C E P E M
I F B E W U M T S P E Y M L F A X T S E E
I K O K U C U N C V J A U L D T K E R X A
W Q N E M J O I S U D J J J A T L G A F P

Clues

  • A hormone-secreting structure that develops in an ovary after an ovum has been discharged but degenerates after a few days unless pregnancy has begun (6, 6)
  • During which week of the cycle does menstruation occur (3)
  • During which week of the cycle is the lining of the uterus built up (3)
  • Hormone FSH stimulates production of (9)
  • Hormone which inhibits FSH and LH (12)
  • The day on which ovulation takes place (8)
  • When a woman stops having periods (9)
  • When does the menstrual cycle start (7)
  • Where in the brain are hormones produced (9, 5)
  • Which type of mechanism is the menstrual cycle an example of? (8, 8)

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