TY  - CHAP
M1  - Book, Section
TI  - Valves
A1  - Phillips, Raymond E.
PY  - 2021
T2  - Venous Insufficiency
AB  - Attached  to  the  inner  walls  of  the  leg  veins  is  a  series  of  delicate  valves  that  have  an  essential  function  in  the  peripheral  pump.  Paper-thin  flaps  (or  cusps)  are  paired  to  form  a  valve  that  ensures  a  one-directional  effect  on  the  flow  of  blood.  The  free  end  of  each  valve  flap  contacts  its  mate  in  the  center  of  the  vein.  The  valves  join  the  vein  at  the  lower  part  of  a  bulbous  widening.  With  the  flap  edges  together,  the  valve  is  closed.  
SN  - 
PB  - McGraw Hill
CY  - New York, NY
Y2  - 2024/04/19
UR  - dermatology.mhmedical.com/content.aspx?aid=1175311610
ER  -