Table 2.

Summary of collagen fibril diameter distributions in the matrix interior of 2-month-old articular cartilage and meniscus, measured by transmission electron microscopy (TEM)

unit (nm)	Articular Cartilage				Meniscus
	PCM		T/IT-ECM		ECM
	+/+	+/−	+/+	+/−	+/+	+/−
mean	35	53	47	55	73	81
std	8	16	13	18	28	39
Q1	30	43	38	44	51	53
Q2	35	51	45	53	71	74
Q3	40	60	56	64	93	97
min	18	25	16	18	13	18
max	69	107	83	113	148	220
nfibrils	235	137	228	217	821	624