Monodelphis and Armadillos

Question 1

Eutherian mammals

Answer 1

Have chorioallantoic placenta
Reach an advanced stage of development before birth
Includes all mammals except monotremes and marsupials

Question 2

Sexual maturity of Monodelphis

Answer 2

4-6 months

Question 3

Gestation length of Monodelphis

Answer 3

14 days

Question 4

Monodelphis chromosome number

Answer 4

2n=18

Question 5

Are Monodelphis social animals?

Answer 5

No, solitary

Question 6

Monodelphis disease models

Answer 6

Hypercholesterolemia
Melanoma
Corneal sarcoma
Ontogeny of immune system

Question 7

Armadillo Order

Answer 7

Xenartha

Question 8

Xenarthrous vertebrae

Answer 8

Lumbar vertebrae have secondary articulations to help them dig

Question 9

Genus/species of Armadillos

Answer 9

Dasypus novemcinctus

Question 10

Lifespan of Armadillo

Answer 10

15 years

Question 11

Are armadillos endothermic, ectothermic, or poikilothermic?

Answer 11

Poikilothermic

Question 12

Sexual maturity for female armadillos

Answer 12

15 months

Question 13

Gestation length for armadillos

Answer 13

4.5 months

Question 14

What’s unique about the armadillo embryo?

Answer 14

You can get quadruplets from a single ovum

Question 15

What dietary supplementation do armadillos need?

Answer 15

Vit K

Question 16

C/S of M. leprae in armadillos - 2 forms

Answer 16

Lepromatous: multiple skin granulomas
Tuberculoid: skin/nerve damage results in maculoanesthesia

Question 17

Stains for M. leprae

Answer 17

Fite Faraco, Ziehl Nielson

Question 18

Armadillo venipuncture

Answer 18

Caudal tail between second and third OR third and fourth bony tail segments

Question 19

Which nerve is most commonly affected in both armadillos and humans with leprosy/

Answer 19

Post tibial nerve (medial hind limb)

Question 20

Treatment of leprosy

Answer 20

Rifampin