Microbiology and Parasitology Lecture Notes

These flashcards cover key vocabulary and definitions from the lecture on Microbiology and Parasitology focusing on protozoa, roundworms, tapeworms, and flukes.

Entamoeba histolytica cyst

A quadrinucleated sphere.

Entamoeba histolytica trophozoite

A single nucleus organism that is irregular and asymmetrical.

Giardia lamblia trophozoite

Pear or teardrop-shaped with two nuclei and four flagella, resembling a face.

Balantidium coli

An oval or egg-shaped organism covered with tiny cilia and has a kidney-bean-shaped macronucleus.

Plasmodium vivax

Signet ring shaped with an amoeboid form, fills the RBC, and hosts fine pink granules known as 'Schüffner’s dots'.

Trichomonas vaginalis

Pear-shaped or ovoid flagellate with a single nucleus and no cyst stage.

Ascaris lumbricoides cross-section, female

Has a thick-walled circular ring structure with an intestine and twin uterine tubes packed with eggs.

Ascaris lumbricoides ova

Thick-shelled, round to oval shape with a bumpy 'scalloped' outer golden-brown layer.

Trichuris trichuria male

A whip-like worm that is tightly coiled, with a thin front end and thicker posterior end.

Trichuris trichuria ova

Symmetrical, barrel or football-shaped with bipolar plugs at both ends.

Taenia solium scolex

A globular head with four circular suckers and a 'crown' rostellum top.

Taenia solium egg

Spherical and thick-shelled with an outer shell that has distinct radial striations.

Taenia saginata egg

Similar structure to Taenia solium egg.

Taenia saginata immature segment

Short, wide, rectangular with lines that are closer to each other.

Taenia saginata mature segment

Square-shaped or slightly elongated rectangle with lines that are farther apart.

Fasciola gigantica Adult

Has a leaf-like, elongated body with a conical projection at the anterior end.

Schistosoma japonicum female

Long, slender, thread-like body that is longer and thinner than the male.

Schistosoma japonicum male

Shorter and stouter than the female with a ventral longitudinal groove.

Schistosoma japonicum miracidium

Oval or pear-shaped larva covered with fine cilia and has a pointed end.

Schistosoma japonicum cercariae

Elongated body with a long forked tail, features a head organ and penetration glands at the anterior end.