Table 1.
Physiological data of the cerebral circulation
| No. | Arterial segment | L[cm] | r0[cm] | r1[cm] | c0[m.s-1] | RT [mmHg.s. ml-1] |
|---|---|---|---|---|---|---|
| 5 | R. common carotid | 17.7 | 0.400 | 0.370 | 5.92 | - |
| 11 | L. common carotid | 20.8 | 0.400 | 0.370 | 5.92 | |
| 6/16 | R./L. vertebral | 13.5 | 0.150 | 0.136 | 11.9 | - |
| 39/48 | R./L. ext.carotid I | 4.10 | 0.200 | 0.150 | 8.90 | - |
| 40/47 | L./R. int. carotid I | 17.6 | 0.250 | 0.200 | 7.90 | - |
| 56 | Basilar | 2.90 | 0.162 | 0.162 | 9.33 | - |
| 57/71 | R./L. PCA I | 0.50 | 0.107 | 0.107 | 12.93 | - |
| 58/70 | R./L. PCA II | 8.60 | 0.105 | 0.105 | 13.13 | 39.13 |
| 59/69 | R./L. PCoA | 1.50 | 0.073 | 0.073 | 17.24 | - |
| 60/68 | R./L. int. carotid II | 0.50 | 0.200 | 0.200 | 8.26 | - |
| 61/67 | R./L. MCA | 11.90 | 0.143 | 0.143 | 10.23 | 19.21 |
| 62/66 | R./L. ACA I | 1.20 | 0.117 | 0.117 | 12.03 | - |
| 63/65 | R./L. ACA II | 10.30 | 0.120 | 0.120 | 11.77 | 38.75 |
| 64 | ACoA | 0.3 | 0.100 | 0.100 | 17.08 | - |
| 72/73 | L./R. ext.carotid II | 6.10 | 0.200 | 0.200 | 8.53 | - |
| 74/75 | L./R. sup. thy. asc. ph. lyng. fac. occ. | 10.10 | 0.100 | 0.100 | 16.57 | 225.6 |
| 76/77 | L./R. superf. temp. | 6.10 | 0.160 | 0.160 | 9.62 | - |
| 78/79 | L./R. maxillary | 9.10 | 0.110 | 0.110 | 15.09 | 188.0 |
| 80/81 | L./R. superf. temp. fron. bran. | 10.0 | 0.110 | 0.110 | 15.09 | 188.0 |
| 82/83 | L./R. superf. temp. pari. bran. | 10.1 | 0.110 | 0.110 | 15.09 | 188.0 |
Here, r0 and r1 denote the proximal and distal radii of an arterial segment, c0 is the pulse wave velocity at the middle of each arterial segment at the reference state (A0, U0), RT is the total distal vascular resistance corresponding to each efferent artery.