Smallies Flashcards
Which direction does the vagina in the dog go?
Dorsally first, then horizontal
What two structures must you avoid when inserting catheter into dog vagina?
Fornix and clitoral fossa
What do dog ovaries look like on ultrasound during oestrus?
Hypoechoic with multiple anechoic follicles
When can you see the corpus luteum on a dog ultrasound?
During metoestrus
Why do dogs have multiple CLs?
Multiple ovulations
What causes tight copulation lock in the male dog?
Enlarged bulbus glandis
What direction is the vagina in the cat?
Horizontal
What do epithelial spikes on the male cat penis do?
Stimulate ovulation
What stimulates the presence of epithelial spikes in the male cat?
Testosterone
What time is first heat in small-medium dogs?
6-8 months
What time is first heat in giant breeds?
18-20 months
What time is first heat in large greyhounds?
20-24 months
Where are dog testicles at birth?
Intra-abdominal
How soon do dog testicles pass through inguinal canal?
3-4 days
How soon do dog testicles descend?
14 days, up to 35 days at latest
What age is puberty in male dogs?
6 months
What age is puberty in larger male dogs?
Up to 12 months
By what age do spermatozoa appear in male dogs?
7-9 months
By what age does testosterone increase in the male dog?
24 weeks
By what age does testosterone reach its adult level in the male dog?
32 weeks
At what age do female cats reach puberty?
2.3-2.5kg (6-9 months)
What influences puberty in female cats?
Photoperiod
What age do male cats reach puberty?
2.5kg (8-10 months)
Which kind of cat breeds reach puberty earlier?
Oriental