EXERCISE 18: THE FROG CIRCULATOR SYSTEM (VENOUS SYSTEM) Flashcards
two; on renters each antero-lateral angle of sinus
venosus; each is formed by union of 3 veins:
Precaval vein or Anterior Vena Cava
most anterior; formed by the union of Lingual and Mandibular Vein.
External jugular vein
near midline, from tongue and floor of mouth
Lingual Vein
lateral, from lower jaw.
Mnadibular Vein
runs dorsally; formed by the union of Internal Jagular and subscapular Vein
Innominate Vein
From interior of skull
Internal Jagular Vein
From dorsal muscle of shoulder and arm
Subscapular Vein
most posterior; formed by joining of brachial vein and musculo-cutaneuos vein.
Subclavian Vein
Brachial Vein
From arm
musculo-cutaneous vein
from muscles and skin on dorsal and lateral parts of
head and trunk (may not be visible in skinned specimen).