Also found in: Dictionary, Thesaurus, Encyclopedia.
a bend or fold.
caudal flexure the bend at the aboral end of the embryo.
cephalic flexure the curve in the mid-brain of the embryo.
cervical flexure a bend in the neural tube of the embryo at the junction of the brain and spinal cord.
colic flexure, left the angular junction of the transverse and descending colon.
colic flexure, right the angular junction of the ascending and transverse colon.
dorsal flexure one of the flexures in the mid-dorsal region of the embryo.
duodenojejunal flexure the bend at the junction of the duodenum and jejunum.
hepatic flexure right colic flexure.
lumbar flexure the ventral curvature in the lumbar region of the back.
mesencephalic flexure a bend in the neural tube of the embryo at the level of the mesencephalon, or mid-brain.
pontine flexure a flexure of the hindbrain in the embryo.
sacral flexure caudal flexure.
sigmoid flexure sigmoid colon.
splenic flexure left colic flexure.
the ventrally concave bend at the juncture of the brainstem and spinal cord in the embryo.
cer·vi·cal flex·ure(sĕr'vi-kăl flek'shŭr)
The ventrally concave bend at the juncture of the brainstem and spinal cord in the embryo.
a bend or fold; a curvation.
as head folding occurs in the developing embryo midbrain; cervical and pontine flexures also occur in the brain.
the bend in the lumbosacral region of the embryo.
the curve in the midbrain of the embryo.
a bend in the neural tube of the embryo at the junction of the brain and spinal cord.
the anterior of the two ventral flexures of the developing embryo.
the flexure between the left and right dorsal colons in the horse.
where the left ventral colon in the horse is flexed upward to become the left dorsal colon; there is a sharp reduction in the diameter of the colon at this flexure and the contents become much firmer, less fluid.
the flattened loop of colon, immediately succeeding the cecum in ruminants.
where the right ventral colon in the horse turns to become the left ventral colon.