things to memorise - female ant

Question 1

4 regions of the oviduct

Answer 1

• utero-tubal junction
• isthmus
• ampulla
• infundibulum

Question 2

Role of the infundibulum?

Answer 2

catch the oocytes with increased surface area

Question 3

what species are these from left to right?

Answer 3

cow = cervical rings, moderately difficult passage
ewe can’t pass pipette through the cervix (lots of cervical rings/extensive)
mare = very loos mucosal folds, easy passage

Question 4

what two species are these and why

Answer 4

-sow = corkscrew, need spiral-shaped pipette
-bitch very easy passage

Question 5

Vagina: The vestibule/vestibular gland species differences:
bitch verse cow/sow.
What do the vestibular glands secrete?

Answer 5

urethral tubercle (petrusion)
- most species, the vestibule is well develop = urethral opening is ‘hidden’
- vestibular glands secrete mucus in receptive females (lubrication)

• cow and sow have a suburethral diverticulum

Question 6

what species have a suburethral diverticulum in the vestible

Answer 6

cow and sow

Question 7

what species do not have fornix vagina

Answer 7

sow and queen

Question 8

what species

Answer 8

Question 9

what species are below, why?

Answer 9

• sow, dog and queen -> vestibule considerably smaller than the cranial vagina (really pronounced in companion animals)
• urethral opening still quite close to external vulva in the companion animals