egg morphology

Question 1

ADULT WORMS PRODUCES WHAT EGG

Answer 1

OPERCULATED EGGS

Question 2

OPERCULATED EGGS MEANS?

Answer 2

WITH OPENING

Question 3

Egg with FLAT operculum
Opposite the operculum is an abopercular
shell thickening
resemble those of D. latum

Answer 3

P.WESTERMANI

Question 4

measures 80 – 120 um x 50-60 um and
contains undeveloped miracidium

Answer 4

P.WESTERMANI

Question 5

Eggs are large ovoidal, yellowish brown

Answer 5

Fasciola
hepatica

Question 6

Large operculated eggs are
indistinguishable from Fasciola hepatica and
Fasciola gigantica ova

Answer 6

Fasciolopsis
busk

Question 7

Thick shelled light brown eggs contain
developed miracidium

Answer 7

Heterophyes
heterophyes

Question 8

Eggs are with distinct operculum and similar
with those of Clonorchis but no abopercular
knob

Answer 8

Heterophyes
heterophyes

Question 9

Thin shelled light-yellow egg contains
developed miracidium.
Egg measures 27 x 16um

Answer 9

Metagonimus
yokogawai

Question 10

Straw colored, operculated ovoid eggs
measures 83-116 x 58-69 um.
Same with Fasciola hepatica and
Fasciolopsis buski

Answer 10

Echinostoma
ilocanum

Question 11

ciliated larva released from egg when hatched

Answer 11

MIRACIDIUM

Question 12

– sac liked larva developed from miracidium

Answer 12

SPOROCYST

Question 13

Larva developed from sporocyst, absent in Schistosoma

Answer 13

REDIA –

Question 14

LARVA developed from redia or sporocys

Answer 14

CERCARIA

Question 15

Cercaria that has lost its tail ff: entry into a 2nd
Intermediate host

Answer 15

METACERCARIA