Table of Contents
Cytology is the branch of biology and medicine concerned with the structure and function of animal and plant cells. But here we discuss human haploid cells (spermatozoon and ovum/egg), zygotes, blastomeres, bacterial cells, unicellular parasitic cells, yeasts, etc.
The human egg cell, also called ovum (plural ova) is a haploid cell having 23 chromosomes. It is the female reproductive cell, or gamete having a size of approximately 120 μm.
It is also called spermatozoon ( pleural spermatozoa) a motile sperm cell or moving form of the haploid cell (having 23 chromosomes) that is the male gamete. A spermatozoon unites an ovum to form a zygote.
Bacteria are single-celled microorganisms. The cell structure is simpler than that of other microbes as there is the absence of a well-defined nucleus or membrane-bound organelles and chromosomes composed of a single closed DNA circle.
Yeasts are eukaryotic, single-celled microorganisms that come under the fungus kingdom. Yeast cells of Candida are rounded to oval, 3–8 μm in diameter while Cryptococcus is 5 to 10 µm.
Introduction Acinetobacter haemolyticus is an aerobic, non-fermenting bacterium found in nature and hospital environments. It belongs…
Introduction Nakaseomyces glabratus (formerly Candida glabrata) is a highly adaptable, haploid yeast that is a common commensal…
Introduction Pichia kudriavzevii, formerly known as Candida krusei, is a unique budding yeast that holds a…
Visual Observation Medium: The tubes appear to be MGIT (Mycobacteriological Growth Indicator Tubes), which contain…
In the world of modern diagnostics, speed, accuracy, and comprehensiveness are critical—especially when dealing with…
Introduction In today’s rapidly evolving healthcare landscape, the demand for fast, accurate, and accessible diagnostic…
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