The name Alana is a Celtic baby name. In Celtic the meaning of the name Alana is: meaning harmony, stone, or noble. American Meaning: The name Alana is an American baby name. In American the meaning of the name Alana is: meaning harmony, stone, or noble.aelic Meaning: The name Alana is a Gaelic baby name. In Gaelic the meaning of the name Alana is: This name of uncertain origin may be a feminine form of Man, or derived from the Irish Gaelic word for 'child'.
Substantia nigra is Latin for black substance, reflecting the fact that parts of the substantia nigra appear darker than neighboring areas due to high levels of neuromelanin in dopaminergic neurons.It was discovered in 1784 by Felix FÃ©lix-vicq'D, azyr And Samuel thomas Von soemmerring sÃ¶mmerring alluded to this structure. in 1791he most prominent function of the pars compacta is motor control, though the substantia nigra's role in motor control is indirect; electrical stimulation of the substantia nigra does not result in movement, due to mediation of the striatum in the nigral influence of movement.
Paraxial mesoderm. Paraxial mesoderm, also known as presomitic or somitic mesoderm is the area of mesoderm in the neurulating embryo that flanks and forms simultaneously with the neural tube. The cells of this region give rise to somites, blocks of tissue running along both sides of the neural tube, which form muscle and the tissues of the back, including connective tissue and the dermis