protoduodenum
[ prō′tō-dōō′ə-dē′nəm, -dōō-ŏd′n-əm ]
n.
The first part of the duodenum extending from the gastroduodenal pylorus to the major duodenal papilla and containing the duodenal glands.
Words nearby protoduodenum
protoctista,
protodeacon,
protoderm,
protodiastolic,
protodiastolic gallop,
protoduodenum,
protogalaxy,
protogenia,
protogenic,
protogeometric,
protogynous