Abbreviation for deoxythymidine diphosphate, a nucleotide involved in the synthesis of DNA.

Abbreviation for deoxythymidine monophosphate, a nucleotide used in the formation of DNA.

Abbreviation for deoxythymidine triphosphate, a nucleotide essential for DNA synthesis.

A tube or channel that carries fluids or other substances in the body, such as bile ducts or tear ducts.

The first section of the small intestine, where most chemical digestion occurs, following the stomach.

The double-stranded structure of DNA, consisting of two complementary strands twisted into a double helix.

The process by which a section of DNA is copied and inserted into the genome, leading to multiple copies of a gene or region.

The tough, outermost layer of the meninges, which protect the brain and spinal cord.

Describing an organism that feeds on hard or tough materials, often referring to animals that consume shells or bones.

A pair of homologous chromosomes or chromatids, typically used in the context of cell division, especially meiosis.