Chest veins

Superficial epigastric artery

Abdominal anatomy

http://www.pitt.edu/~anat/Abdomen/Abdomen/Abd.htm

Arterial tree

http://en.wikipedia.org/wiki/Arterial_tree

Radicular arteries of spinal cord

Denticulate ligament

http://images.google.com/imgres?imgurl=http://www.csus.edu/indiv/m/mckeoughd/AanatomyRev/CNS/scXsect/scXsect0.gif&imgrefurl=http://www.csus.edu/indiv/m/mckeoughd/AanatomyRev/CNS/scXsect/scXsect.htm&usg=__X_vDkthp4gO2orfWIeLIrw-vao8=&h=1221&w=1596&sz=54&hl=en&start=8&sig2=JknFgpAhRmm4G9PjAa8JRg&um=1&tbnid=5ZmX54sYyscyoM:&tbnh=115&tbnw=150&prev=/images%3Fq%3Ddenticulate%2Bligament%26hl%3Den%26rlz%3D1T4SUNA_enUS287US287%26um%3D1&ei=sFfeSdWtAYOUMtvLleYJ

Epidural anesthesia:
through Sacral hiatus to sacral canal
gets to epidural space












http://images.google.com/images?sourceid=navclient&rlz=1T4SUNA_enUS287US287&q=sacral+hiatus&um=1&ie=UTF-8&ei=lVbeSbr_I4bOMsygnVA&sa=X&oi=image_result_group&resnum=4&ct=title