Clone
Clone: Literally a fragment, the word in modern medical science has come to mean a replica, for example, of a group of bacteria or a macromolecule such as DNA. Clone also refers to an individual developed from a single somatic (non-germ) cell from a parent, representing an exact replica of that parent. A clone is a group of cells derived from a single ancestral cell.
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- Clonic seizure
Clonic seizure: A seizure in which there are generalized clonic contractions with the entire body jerking, but without a preceding tonic phase.
- Cloning, cell
Cloning, cell: The process of producing a group of cells (clones), all genetically identical, from a single ancestral cell.
- Cloning, DNA
Cloning, DNA: The use of DNA manipulation procedures to produce multiple copies of a single gene or segment of DNA.
- Cloning, therapeutic
Cloning, therapeutic: Cloning designed as therapy for a disease. In therapeutic cloning, the nucleus of a cell, typically a skin cell, is inserted into a fertilized egg whose nucleus has been removed. The nucleated egg begins to divide repeatedly to form a blastocyst. Scientists then extract stem cells from the blastocyst and use them to […]
- Clonote
Clonote: The first cell produced by the combination of a nucleus and an enucleated ovum that launches the process of somatic-cell nuclear transfer (SCNT). As opposed to the zygote, the first cell resulting from fertilization. The term “clonote” was coined to connote the fundamental difference between in vitro fertilization (IVF) and SCNT. IVF (and the […]