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a formula indicating the number of vertebrae in each segment of the spinal column; for humans it is C. 7, T. 12, L. 5, S. 5, Co. 4 = 33, the letters denoting cervical, thoracic, lumbar, sacral, and coccygeal.
ver·te·bral for·mu·la(vĕr'tĕ-brăl fōrm'yū-lă)
A formula indicating the number of vertebrae in each segment of the spinal column; for humans it is C. 7, T. 12, L. 5, S. 5, Co. 4 = 33, the letters standing for cervical, thoracic, lumbar, sacral, and coccygeal.
pl. formulae, formulas [L.] an expression, using numbers or symbols, of the composition of, or of directions for preparing, a compound, such as a medicine, or of a procedure to follow to obtain a desired result, or of a single concept.
a combination of symbols used to express the chemical components of a substance.
see dental formula.
a chemical formula that expresses the proportions of the elements present in a substance.
sets out the times that the feet are individually in contact with the ground while the animal is moving.
a chemical formula expressing the number of atoms of each element present in a substance, without indicating how they are linked.
spatial formula, stereochemical formula
a chemical formula giving the numbers of atoms of each element present in a molecule of a substance, which atom is linked to which, the types of linkages involved, and the relative positions of the atoms in space.
a chemical formula showing the spatial arrangement of the atoms and the linkage of every atom.
sets out the number of vertebrae in each of the sections of the spinal column.