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  2. Posterior segment of eyeball - Wikipedia

    en.wikipedia.org/wiki/Posterior_segment_of_eyeball

    The posterior segment or posterior cavity [1] is the back two-thirds of the eye that includes the anterior hyaloid membrane and all of the optical structures behind it: the vitreous humor, retina, choroid, and optic nerve. [2]

  3. Anaphase - Wikipedia

    en.wikipedia.org/wiki/Anaphase

    A cell during anaphase. Microtubules are visible in green. Stages of late M phase in a vertebrate cell. Anaphase (from Ancient Greek ἀνα-() 'back, backward' and φάσις (phásis) 'appearance') is the stage of mitosis after the process of metaphase, when replicated chromosomes are split and the newly-copied chromosomes (daughter chromatids) are moved to opposite poles of the cell.

  4. Kinetochore - Wikipedia

    en.wikipedia.org/wiki/Kinetochore

    As chromosomes have two kinetochores associated back-to-back (one on each sister chromatid), when one of them becomes attached to the microtubules generated by one of the cellular poles, the kinetochore on the sister chromatid becomes exposed to the opposed pole; for this reason, most of the times the second kinetochore becomes attached to the ...

  5. Mammalian eye - Wikipedia

    en.wikipedia.org/wiki/Mammalian_eye

    Diagram of a human eye; note that not all eyes have the same anatomy as a human eye. The mammalian eye can also be divided into two main segments: the anterior segment and the posterior segment. [10] The human eye is not a plain sphere but is like two spheres combined, a smaller, more sharply curved one and a larger lesser curved sphere.

  6. Aster (cell biology) - Wikipedia

    en.wikipedia.org/wiki/Aster_(cell_biology)

    During metaphase, the kinetochore microtubules extending from each centrosome connect to the centromeres of the chromosomes. Next, during anaphase, the kinetochore microtubules pull the sister chromatids apart into individual chromosomes and pull them towards the centrosomes, located at opposite ends of the cell. This allows the cell to divide ...

  7. Posterior pole - Wikipedia

    en.wikipedia.org/wiki/Posterior_pole

    In ophthalmology, the posterior pole is the back of the eye, usually referring to the retina between the optic disc and the macula. [1] See also. Fundus (eye)

  8. Metaphase - Wikipedia

    en.wikipedia.org/wiki/Metaphase

    The centromeres of the chromosomes convene themselves on the metaphase plate, an imaginary line that is equidistant from the two spindle poles. [3] This even alignment is due to the counterbalance of the pulling powers generated by the opposing kinetochore microtubules, [ 4 ] analogous to a tug-of-war between two people of equal strength ...

  9. Posterior chamber of eyeball - Wikipedia

    en.wikipedia.org/wiki/Posterior_chamber_of_eyeball

    The posterior chamber is a narrow space behind the peripheral part of the iris, and in front of the suspensory ligament of the lens and the ciliary processes.The posterior chamber consists of small space directly posterior to the iris but anterior to the lens.