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  2. Visual cortex - Wikipedia

    en.wikipedia.org/wiki/Visual_cortex

    In terms of anatomy, V2 is split into four quadrants, a dorsal and ventral representation in the left and the right hemispheres. Together, these four regions provide a complete map of the visual world. V2 has many properties in common with V1: Cells are tuned to simple properties such as orientation, spatial frequency, and color.

  3. Splitting storm - Wikipedia

    en.wikipedia.org/wiki/Splitting_storm

    A splitting storm is a phenomenon when a convective thunderstorm will separate into two supercells, with one propagating towards the left (the left mover) and the other to the right (the right mover) of the mean wind shear direction across a deep layer of the troposphere. In most cases, this mean wind shear direction is roughly coincident with ...

  4. Multiplicative cascade - Wikipedia

    en.wikipedia.org/wiki/Multiplicative_cascade

    To create these distributions there are a few steps to take. Firstly, we must create a lattice of cells which will be our underlying probability density field. Secondly, an iterative process is followed to create multiple levels of the lattice: at each iteration the cells are split into four equal parts (cells).

  5. Trichoplax - Wikipedia

    en.wikipedia.org/wiki/Trichoplax

    A mature individual consists of up to a thousand [clarification needed] cells that can be divided into four different cell types. The monociliated cells of the dorsal epitheloid are flattened and contain lipid bodies. The cells on the ventral side likewise possess a single cilium, while their elongated columnar shape, with a small cross section ...

  6. Speciation - Wikipedia

    en.wikipedia.org/wiki/Speciation

    That is, the splitting of an existing species into two separate species, or the budding off of a new species from a parent species, both driven by a biological "fashion fad" (a preference for a feature, or features, in one or both sexes, that do not necessarily have any adaptive qualities).

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  8. Cleavage furrow - Wikipedia

    en.wikipedia.org/wiki/Cleavage_furrow

    In plant cells, Golgi vesicle secretions form a cell plate or septum on the equatorial plane of the cell wall by the action of microtubules of the phragmoplast. [2] The cleavage furrow in animal cells and the phragmoplast in plant cells are complex structures made up of microtubules and microfilaments that aide in the final separation of the ...

  9. Fragmentation (reproduction) - Wikipedia

    en.wikipedia.org/wiki/Fragmentation_(reproduction)

    Fragmentation in multicellular or colonial organisms is a form of asexual reproduction or cloning, where an organism is split into fragments upon maturation and the split part becomes the new individual. The organism may develop specific organs or zones to shed or be easily broken off.