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Valonia ventricosa, also known as bubble algae, sea grape, [2] or sailor's eyeballs, [3] is a species of algae found in oceans throughout the world in tropical and subtropical regions, within the phylum Chlorophyta. It is one of the largest known unicellular organisms. [3] [4] Valonia ventricosa in the Red Sea
The definition of "longest-living" used in this article considers only the observed or estimated length of an individual organism's natural lifespan – that is, the duration of time between its birth or conception, or the earliest emergence of its identity as an individual organism, and its death – and does not consider other conceivable ...
A male can only make a few hundred such cells during its lifetime. The other members of the genus Drosophila also make very few, giant sperm cells, with D. bifurca 's being the longest. The sperm cells are produced in testes 6.7 cm long, which comprise 11% of the male's body mass.
As Mihavecz's cell was in the basement, nobody could hear his screams. He survived by ingesting condensed water from the walls and eventually lost 24 kg (53 pounds) of weight. [ 2 ] [ 3 ] Eighteen days later on 19 April, an officer who had unrelated business in the basement opened his cell after noticing the stench that was emanating from it. [ 4 ]
Pneumonoultramicroscopicsilicovolcanoconiosis is the longest word in the English language. The word can be analysed as follows: Pneumono: from ancient Greek (πνεύμων, pneúmōn) which means lungs; ultra: from Latin, meaning beyond; micro and scopic: from ancient Greek, meaning small looking, referring to the fineness of ...
The Human Cell Atlas project, which started in 2016, had as one of its goals to "catalog all cell types (for example, immune cells or brain cells) and sub-types in the human body". [13] By 2018, the Human Cell Atlas description based the project on the assumption that "our characterization of the hundreds of types and subtypes of cells in the ...
Not all animals have neurons; Trichoplax and sponges lack nerve cells altogether. Neurons may be packed to form structures such as the brain of vertebrates or the neural ganglions of insects . The number of neurons and their relative abundance in different parts of the brain is a determinant of neural function and, consequently, of behavior.
These vacuoles make up most of the cell. As these vacuoles swell, the cell grows considerably which is the primary factor contributing to the record sizes of Thiomargarita cells. T. namibiensis holds the record for the world's second largest bacterium, with a volume three million times more than that of average bacteria. [29]