Hubble is an ancient Anglo-Saxon name that is derived from the Old French name Hubaut or one of the Old German names Hugibald or Hubald. These names have the literal meaning of mind-bold. CITATION[CLOSE] Reaney, P.H and R.M. Wilson, A Dictionary of English Surnames.
In cell biology, the nucleus (pl. nuclei; from Latin nucleus or nuculeus, meaning kernel or seed) is a membrane-enclosed organelle found in eukaryotic cells. Eukaryotes usually have a single nucleus, but a few cell types, such as mammalian red blood cells, have no nuclei, and a few others have many.
Medical Definition of NUCLEUS. 1. : a cellular organelle of eukaryotes that is essential to cell functions (as reproduction and protein synthesis), is composed of nuclear sap and a nucleoprotein-rich network from which chromosomes and nucleoli arise, and is enclosed in a definite membrane.