Primo Vascular System in the Subarachnoid Space of a Mouse Brain

Table 1

Primo nodes in the mouse brain observed in this experiment.

Subject		Locations and Primo nodes		Sizes
No.	Weight (g)	Location	Distance from λ point (μm)	Short (μm) × long (μm)
1	32	Left H-point	3,600	120×190
2	34	Left H-point	4,000	170×300
		Right H-point	3,500	200×270
3	35	Right H-point	3,500	50×80
4	32	Left H-point	3,700	30×110
		Right H-point	3,300	50×80
5	31	Right P-point	7,800	250×400
6	32	Left H-point	3,750	130×220
7	35	Left H-point	3,700	100×160
		Left P-point	5,500	80×190
8	32	Right H-point	3,800	120×180
		Right P-point	5,900	190×230
9	34	Right H-point	3,600	120×200
		Left P-point	5,400	230×460
10	31	Right H-point	3,900	180×420
		Left P-point	5,700	220×400
		Right P-point	5,500	150×180
11	31	Left H-point	4,800	200×400
Average	33	Left H-point	3,925	125×230
		Right H-point	3,600	120×205
		Left P-point	5,533	177×350
		Right P-point	6,400	197×207

The subjects were 10-week-old female ICR mice. The primo nodes had cucumber or oval shapes; short and long axes were measured.