Table 1.

Numbers of intravisceral and subcutaneous lymphatic vessels counted in the highest density area in the section under 20 × magnification field of objective lens (× 200).

Sites	Average	Range (difference between sections)
Thyroid, capsular and interfollicular	88	80–96
Parathyroid gland	0	0
Thymus	3	2–4
Trachea	10	9–11
Principal bronchus	23	21–25
Pulmonary hilum	8	6–10 (dilated)
Lung, peripheral parenchyma	13	11–15
Heart atrium, epicardium	12	9–18
Esophagus, intermuscular	12	8–14
Stomach (except for pylorus)*	10	8–12
Pylorus*	15	13–16
Duodenum*	13	10–18
Jejunum and ileum*	28	23–36
Colon*	10	6–17
Rectum	12	8–14
Hepatic hilum	17	15–19
Pancreas, parenchyma	12	9–15
Spleen	0	0
Kidney, interlobar	10	9–11
Urinary bladder, capsule	8	6–10
Ligamentum latum uteri	15	10–20
Subcutaneous area
Back, thorax, abdomen	4	3–5 (dilated)
Lumbar, extremities	6	3–12

^*Subperitoneal and intramural lymphatic vessels. Central lymph vessels of the intestine were excluded from the counting.