尿道腔 meaning in Chinese

urethral lumen

As we know , the blood vessel in the hyperplastic prostate may also be increasely , and the hyperplastic tissue protrudes toward the urethra tract and is collided by urine , because the patient of bph could not urinate unobstructed , once he overexerts in urination or local pressure reduces suddenly after urination , abundant blood vessel in the hyperplastic prostate will be broken and bring hematuria
我们知道，增生前列腺里的血管也可以增多，尤其一种病理上分类为间质型的增生症，表现为纤维组织和血管大量增生，增生的组织并向尿道腔内凸出，受到尿液冲撞的机会多而且强烈。由于增生的前列腺使患者排尿不畅，患者排尿用力过大，或者排尿后局部骤然减压，都容易导致增生前列腺内丰富的血管破裂，引起血尿。