Streamlined fish, such as salmon, undulate the caudal portions of their bodies.

The definitive urogenital sinus consists of a caudal cephallic portion and an intermediate narrow channel, the pelvic portion.

In contrast, lesioning of the more caudal portion of the reticular formation produces insomnia in cats.

This study has led to the idea that the caudal portion inhibits the rostral portion of the reticular formation.

The nucleus is situated in the caudal portion of the ventrolateral pontine tegmentum.

This nucleus is located beneath the fourth ventricle in the caudal portion of the pons, medial to the sulcus limitans.

The caudal portion must be a vast factory of nutrients, nourished within the storm and harvested by the wall of knives.

Note that this would include caudal portions of levels IV and VB.

BA25 is located in the cingulate region as a narrow band in the caudal portion of the subcallosal area adjacent to the paraterminal gyrus.

At this time, the respiratory diverticulum (lung bud) appears ventrally to the caudal portion of the foregut.