negative regulation of mesenchymal cell proliferation
Any process that decreases the frequency, rate or extent of mesenchymal cell proliferation. A mesenchymal cell is a cell that normally gives rise to other cells that are organized as three-dimensional masses, rather than sheets.
GO:0008285
negative regulation of cell population proliferation
is_a
GO:0010464
regulation of mesenchymal cell proliferation
is_a
GO:0010463
mesenchymal cell proliferation
negatively_regulates