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Flashcards in CONCEPTION Deck (25)
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0
Q

Erection is primarily under _______ control

A

parasympathetic

1
Q

Male reproduction organs receive dual ANS innervation - ___________ and sympathetic

A

parasympathetic

2
Q

__________ activity leads to relaxation of smooth muscle allowing an increase of blood into the organ

A

parasympathetic

3
Q

Sympathetic activity leads to normal f_______ state

A

flaccid

4
Q

E________ is the emptying of components that make up the semen from the various glands into the repro tract. Emission is a _________process with an increase in activity causing smooth muscle contraction.

A

Emission

Sympathetic reflex

5
Q

Emission fills the urethra and provides sensory signal leading to ________

A

Ejaculation

6
Q

_______ is the forceful release of semen from the male tact to the exterior environment

A

Ejaculation

7
Q

Males contract off the bladder opening to prevent ______ from entering it during ejaculation

A

sperm

8
Q

Sperm motility is aided by smooth muscle contraction of m___________ (uterus) and oviduct (Fallopian tube)

A

myometrium

9
Q

The oocyte releases ________ to help the sperm identify it

A

chemicals

10
Q

Fertilisation require the sperm to breach c__________ radiate and then use ________ enzymes to get across ______ pellucida

A

Corona
Acrosomal
Zona

11
Q

The first sperm across the cell membrane causes the membrane _________ and. Changes to __________making it impenetrable (prevents polyspermy)

A

Polarisation.

zona pellucida

12
Q

Fertilisation normally occurs in __________

A

The top third of the Oviduct

13
Q

How long odes it take from ovulation for fertilised oocyte to enter the uterus

A

3-4 days

14
Q

A fertilised egg is called a ?

A

Zygote

15
Q

The ________ is the aminotic sac within the blastocyst

A

blastocoele

16
Q

In the blastocyst the tropoblastic cells are the ________ part of the _________

A

Foetal part of the placenta

17
Q

E_______ pregnancy is when the blastocyst implants in the wrong area

A

Ectopic

18
Q

Ovulation > fertilisation > c_______ > morula > blastocyst > implantation

A

cleavage

19
Q

The _______ performs function of respiratory, digestive, renal systems and protects the fetus from the mothers immune system

A

placenta

20
Q

The human chorionic g__________ (peptide) hormone is produced early and is a hormone of the placenta

A

gonadotropin

21
Q

Hormones of. The placenta include

A

gonadotropin (peptide)

Estrogen and progresterone (steroids)

22
Q

In later pregnancy the foetus is releasing lots of a______________ hormones

A

adrenalcortical

23
Q

High estrogen levels because of adrenalcortical hormones causes an increase in _______ receptors in ________ and stop progesterones ability to stop prostaglandin action

A

oxytocin

myometrium

24
Q

Two hormones o___________ (from the foetus itself) makes the placenta produce p________ leads to increase uterine contractions also accentuated by mothers own o_______ from posterior p___________

A

Oxytocin
Prostaglandins
Oxytocin