The Menstrual Cycle

Further additional biology

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

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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