Extracellular regionOther Metabolites Mapped to 'Extracellular'HMDB0000008 (2-Hydroxybutyric acid) HMDB0000011 ((R)-3-Hydroxybutyric acid) HMDB0000012 (Deoxyuridine) HMDB0000014 (Deoxycytidine) HMDB0000017 (4-Pyridoxic acid) HMDB0000019 (alpha-Ketoisovaleric acid) HMDB0000020 (p-Hydroxyphenylacetic acid) HMDB0000024 (3-O-Sulfogalactosylceramide (d18:1/24:0)) HMDB0000030 (Biotin) HMDB0000034 (Adenine)
- HMDB0000182 (L-Lysine)
- The space external to the outermost structure of a cell.
- Parent Term
- Cell and elements
- Parent Definition
- An anatomical organizational level comprising of a single cell (or a fragment in some exceptions). a cell is defined by its type or function. it is the smallest unit of living structure capable of independent existence, composed of a membrane-enclosed mass of protoplasm and containing a nucleus or nucleoid.