stack overflow error when using vector stl

Hi,
I have a structure called Tissue and I use it in a matrix like this:

vector < vector < Tissue* > > tissueArray(cRows);

This whole function works great for a matrix size of 2X2 to 15X15.
Beyond that it crashed with a STATUS_STACK_OVERFLOW exception!!!
1. Why does his happen?
2. How do I fix it?
3. At some point I may go to a 300X300 array. What happens then?

Thanks a lot for your time and attention!!!!!

Here are the details of my code
1.
This is the Tissue struct:
struct TissueStruct
{
    TissueType type; // fibre or vessel
    TissueStimulus stimulus;
    TissueState state;
    double tpo2;
    double po2;
    double deficit;
    double demand;
    double x;
    double y;
    double v;
    double u;
    double Iext;

};

2.
I populate the tissueArray matrix (or vector of vector of Tissue) with
a init dunction like this:

    for (int i = 0; i < cRows; i++)
    {
//creating a row of tissue cells
        vector <Tissue*> trow(cCols);
        for (int j=0; j<cCols; j++)
        {

            if (type == Fibre)
            {
                trow.push_back(createFibre());
                type = Vessel;
            }
            else
            {
                trow.push_back(createVessel());
// cout << "Type Vessel " << j << " " <<
trow[j]->type << endl;
                type = Fibre;
            }
        }
// cout << trow.size() << endl;
        tarray.push_back(trow);
    }
}

3.
The createFibre and createVessel functions do the actual memory
allocation with the new keyword:

Tissue* createFibre()
{
    Tissue* tissue;
    tissue = new (Tissue);
    tissue->type = Fibre;
    tissue->po2 = Fpo2;
    tissue->state = Inactive;
    tissue->stimulus = Absent;
    tissue->deficit = tissue->demand = 0.0;
    tissue->x = tissue->y = tissue->Iext = tissue->v = tissue-> u =
tissue->tpo2= 0.0;
    return (tissue);
}

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