Lung cancer
Lung cancer is a disease of uncontrolled cell growth in tissues of the lung . This growth may lead to metastasis , invasion of adjacent tissue and infiltration beyond the lungs. The vast majority of primary lung cancers are carcinomas of the lung, derived from epithelial cells. Lung more
Cell nucleus
cells stained for DNA with the Blue Hoechst dye. The central and rightmost cell are in interphase , thus their entire nuclei are labeled. On the left a cell is going through mitosis and its nucleus has disintegrated in preparation of division.
s: (1) nucleolus (2) nucleus (3) r more
Chromatophore chromatophores mediate background adaptation on exposure to dark (top) and light environments (bottom).
Chromatophores are pigment -containing and light-reflecting cells found in amphibian s, fish , reptile s, crustacean s, and cephalopod s. They are largely responsible for generati more
Evolution
In biology , evolution is a change in the inherited traits of a population from one generation to the next. These traits are the expression of gene s that are copied and passed on to offspring during reproduction . Mutation s in these genes can produce new or altered traits, res more
Cerebellum
The cerebellum (Latin : "little brain") is a region of the brain that plays an important role in the integration of sensory perception and motor control. In order to coordinate motor control, there are many neural pathway s linking the cerebellum with the cerebral motor cortex ( more