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bionity.com's Life Science Encyclopedia provides articles for 57,945 entries from biotechnology, pharmaceutics, medicine and biology as well as related scientific disciplines.

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Nicotinamide adenine dinucleotide

Nicotinamide adenine dinucleotide Nicotinamide adenine dinucleotide, abbreviated NAD+, is a coenzyme found in all living cell s. The compound is a dinucleotide, since it consists of two nucleotide s joined through their phosphate groups: with one nucleotide containing an adenosine ring, and the more

Cerebellum

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

Prostate cancer

Prostate cancer Prostate cancer is a disease in which cancer develops in the prostate , a gland in the male reproductive system . It occurs when cell s of the prostate mutate and begin to multiply out of control. These cells may spread (metastasize ) from the prostate to other parts of the bod more

Cell nucleus

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

Menstrual cycle

Menstrual cycle The menstrual cycle is a recurring cycle of physiologic changes that occurs in reproductive age females of several mammals, including human beings and other ape s.) After ovulation the remains of the dominant follicle in the ovary become a corpus luteum ; this body has a primary more

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