lumb-, lumbo-

(Latin: loin; by extension, the lower back)

The lower part of the back on either side of the backbone between the hipbones and the ribs.
lumbocrural
Referring to, affecting, or extending between the lumbar and crural regions.
lumbodorsal (adjective), more lumbodorsal, more lumbodorsal
A reference to the lumbar (lower part of the back) and thoracic (chest); formerly called dorsal or back regions.
lumbodynia
Pain in the lumbar area.
lumboinguinal
Referring to the loins and the groin or to the lumbar (referring to the loins, the part of the back between the thorax and the pelvis) and the inguinal regions.
lumbosacral, sacrolumbar
Of or pertaining to the loins and sacrum; such as, the lumbosacral nerve, a branch of one of the lumber nerves which passes over the sacrum (the triangular-shaped bone lying between the 5th lumbar vertebra and the coccyx, or tailbone).
regio lumbalis, lumbar region
The region of the back lateral to the vertebral region and between the rib cage and the pelvis.
right lumbar lymph nodes
The chain of lymph nodes associated with the inferior vena cava; it is divided into three groups: nodi lymphatici cavales laterales on the right of the inferior vena cava; nodi lymphatici precavales, in front of the inferior vena cava; nodi lymphatici postcavales, under nodus lymphaticus, behind the inferior vena cava.

The inferior vena cava are the large venous trunk which receives blood from the lower extremities and from the pelvic and abdominal organs. It travels through the abdomen (from the lower extremities) and returns blood to the right atrium, a thin-walled chamber of the heart which pumps blood into the right ventricle, of the heart.

sublumbar
Situated under, or on the ventral (belly) side of, the lumbar region of the vertebral column.
supralumbar
Located above the loin or lumbar region.
thoracolumbar
Relating to the thoracic (chest) and lumbar portions of the vertebral column.
translumbar
Passing through or performed by way of the lumbar region; specifically, involving the injection of a radiopaque medium through the lumbar region.
vena lumbalis, lumbar vein
Veins that drain the posterior body wall and the lumbar vertebral venous plexuses.

Word families with similar applications: "back, backside" word units: dorso- (back, on the back); nuch- (nape of the neck); pygo- (rump, rear end, back side).