looks like egg of a parasite. However, hard to identify what species of parasites. May be someone who study about parasite eggs (esp helminth) can help you.
Thanks all. If it is a parasite? I'm interested what species it is? ?
Unembryonated Ascaris egg. It does not have the classical diagnostic mammillated external layer, but the appearance thereof varies considerably, and this object is perfectly compatible with the appearance of an Ascaris egg. From what I can see at this magnification, the outer layer is still there, so the egg is not what is called decorticated. Those eggs have a much smoother periphery. What distinguishes this egg from smooth-shelled eggs that can be found in human faeces like hookworm eggs, is the thick wall of the non-decorticated Ascaris egg.
P.S.: Even if this egg is decorticated (it looks very smooth on the outside, somewhat like a decorticated Ascaris egg; but I don't seem to be able to increase the magnification much in order to have a closer look), the diagnosis is still Ascaris. Even decorticated Ascaris eggs have thicker shells than hookworm eggs, etc.
P.P.S.: At this magnification, the egg seems more non-decorticated than decorticated.
Dear Miles B Markus,
Many thanks for the good explanation. I'm very familiar with Ascaris, but I feel it is much smaller in size to name it Ascaris!, any person from veterinary medicine please help me!!
Thanks, Gemechu. The size of Ascaris lumbricoides eggs varies a bit; and, of course, actual measurements are always extremely helpful. I am familiar with various parasites of domestic animals, so looking at the object from that angle, it has the appearance of an Ascaris egg from a pig!
Plant-derived objects can sometimes resemble Ascaris eggs, but if one does not consider size, the morphology of this object is more like that of Ascaris. Measurements are an important part of diagnosis, of course.
Dear Miles B Markus,
what a great clues you are providing me??? it is really very import for us to know this situation!! many thanks again.
It looks like the egg of Hymenolepis but we need to see the hexacanth embryo( with 6 hooks) but it is not clear.
Yes, there is indeed some resemblance to Hymenolepis, but no hooks are visible, as you say.
it is Ancylostoma duodenale (hookworm egg ) in primary stage that blastomere not appear yet. I found it in my work you can look at a nice picture in it:
Article Isolation and Identification of Parasites from Lactuca Sativa
With all best wishes
Afkar
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