Fusarium species colony and microscopic description
“Multi-celled, sickle-form macroconidia” is the description for Fusarium species, which produces colonies with a distinctive rose red or purple red pigmentation.
Candida parapsilosis Morphology on Cornmeal Agar
Candida parapsilosis produces a crop of separated foci of growth that show radiating pseudohyphae and scattered blastoconidia, producing what are known as “spider” or “crossed ...
Geotrichum species Morphology on Cornmeal agar
Geotrichum species When grown on cornmeal agar are characterized by true hyphae that segment into rectangular arthroconidia. Arthrospores germinate from one corner, giving them a “hockey ...
Yeasts identification on Cornmeal Agar (CMA)
(a) Candida albicans: green, smooth colonies; CMA: large, thick-walled chlamydospore, usually terminal and present singly or in small clusters along with clusters of round blastoconidia. ...
Flotation Technique for Fecal Parasite Concentration Methods
This technique is predominantly used in parasitology laboratories. By exploiting the density of the parasites, particularly eggs, it allows the parasites to float to the top of a dense ...
Calcium phosphate crystals in urine
Calcium phosphate crystals are normal in urine and their appearance look like a large flat-shaped plates orwedge-shaped prisms. THe prisms often appear in rosettes. Single prisms are ...
Blastocystis hominis
Introduction
B. hominis is an inhabitant of the human intestinal tract. It is capable of both sexual and asexual reproduction by binary fission and of pseudopod extension and retraction.
Morphology
The ...
Iodamoeba bütschlii
Introduction
Iodamoeba bütschlii is a non-pathogenic amoeba with world wide distribution although not as common as E. coli or E. nana. Its life cycle is similar to that of E. histolytica ...
Regulation of RBC Production
Tissue oxygenation regulates RBC production. If the amount of oxygen transported to the tissues decreases,
the rate of RBC production increases.
The Feedback Mechanism: Tissue hypoxia ...
Formation of RBCs
An erythrocyte (erythro = red) is a fully mature red cell found in the peripheral blood. Although highly specialized,
it is little more than a small bag – a membrane surrounding a ...
Hematopoiesis (The Formation of Blood Cells)
All blood cells begin as undifferentiated stem cells capable of reproducing themselves. Generations of cells eventually differentiate into cell lines that will mature to produce erythrocytes, ...
Blood Cells and Platelets
The blood has three types of formed elements: erythrocytes (red blood cells), leukocytes (white blood cells),
and platelets or thrombocytes .
Erythrocytes: Also called red blood ...
