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Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.

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Though Candida and Aspergillus species are the most common fungal pathogens causing invasive fungal disease in the immunocompromised, infections due to previously uncommon hyaline and dematiaceous filamentous fungi are occurring more often today. Rare fungal infections, once accurately diagnosed, may require surgical debridement, immunotherapy, and newer antifungals used singly or in combination with older antifungals, on a case-by-case basis.

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There are over 65,000 known species of protozoa. About 10,000 species are parasitic.

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Approximately one in four people diagnosed with diabetes will develop foot problems. Of these, about one-third will require lower extremity amputation.

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The human body produces and destroys 15 million blood cells every second.

Plant cell-to-cell junctions known as middle lamella Plant cell-to-cell junctions known as middle lamella
Changes in cell shape due to alterations in intracellular fluid volume. Changes in cell shape due to alterations in intracellular fluid volume.
Cell-Cell junctions/Attachments Cell-Cell junctions/Attachments
Organization of plant cell walls Organization of plant cell walls
The time spent in each interval of one complete cell cycle of a human cell in culture The time spent in each interval of one complete cell cycle of a human cell in culture
Specialized Workers: Honeypot Ant Specialized Workers: Honeypot Ant
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