Cov leeg tsis ncaj nraim (venae perforantes indirectae) cuam tshuam cov kab mob venous sab nraud nrog cov leeg venous uas ntws mus rau hauv qhov tob venous. Lawv feem ntau muaj cov kab me me, tab sis lawv muaj ntau dua, kwv yees 200-300 hauv qis qis.
Yuav muaj pes tsawg tus perforators nyob rau hauv ceg?
Cockett's perforators ntawm qhov qis dua 2/3 ntawm ceg (feem ntau muaj peb: superior nruab nrab thiab inferior Cockett perforators)
Puas muaj pes tsawg leeg perforator?
About 150 perforating veins tau txheeb xyuas, thiab lawv tau muab faib ua pawg raws li lawv qhov chaw.
Dab tsi yog perforators hauv cov leeg?
Cov leeg nqaij ntawm sab qis (PV lossis "perforators") yog li hu ua vim lawv perforate qhov sib sib zog nqus fascia ntawm cov leeg, txhawm rau txuas cov txheej txheem venous ntawm sab qis. extremity nrog cov leeg tob uas lawv ntws. Muaj ntau cov hlab ntsha hauv kev sib txawv, kev sib txuas, qhov loj, thiab kev faib tawm.
Yuav ua li cas muaj pes tsawg lub li qub muaj cov hlab ntsha peroneal?
Lawv txoj kev npaj yog qhov sib txawv, tab sis sab nraud iliac thiab cov leeg femoral ntau dua li ntawm saphenofemoral hlws ris feem ntau muaj ib lub valve feem ntau; cov hlab ntsha femoral saum cov kwj dej adductor muaj peb lossis ntau dua li qub; lub distal superficial femoral thiab popliteal veins muaj ib lossis ob li qub; and the tibial/peroneal veins …
