Exercise 11-12 (Family: Ascarididae)

Question 1

Morphologically similar to A. lumbricoides

Answer 1

Ascaris suum

Question 2

Structure present on cephalic end

Answer 2

3 prominent lips

Question 3

Mail tail

Answer 3

Bent strongly ventrad

Question 4

Structure present in female at the vulvar region, at about the end of the anterior third of the body

Answer 4

a constriction

Question 5

Egg os Ascaris suum

Answer 5

Thick and coarsely mammilated

Question 6

Cuticle is not as thick and rigid
Soft and translucent

Answer 6

T. vitulorum

Question 7

Eggs of Ascaris vitulorum resembles that of the

Answer 7

A. equorym eggs

Question 8

Ventrally curved cephalic end

Answer 8

Male Toxocara canis

Question 9

Structure present in anterior end

Answer 9

Cervical alae

Question 10

Bears a narrow terminal appendage

Answer 10

Male T. canis

Question 11

T. canis eggs morphology

Answer 11

Subglobular and finely pitted

Question 12

Cervical alae are borader and prominent and ends abruptly

Answer 12

T. cati

Question 13

Occurs in small intestine of dogs and cats

Answer 13

Toxoscaris leonina

Question 14

Cephalic end is straight and ends gradually

Answer 14

Toxoscaris leonina

Question 15

Terminal appendage is absent in male

Answer 15

Toxoscaris leonina

Question 16

Toxoscaris eggs

Answer 16

Slightly oval shape and smooth shell