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sigmoid flexure
sigmoid flexure n (Zoology) zoology an S-shaped curve, as in the necks of certain birds sig′moid flex′ure
n. 1. an S-shaped curve in a body part. 2. Also called sig′moid co′lon. the S-shaped curve of the large intestine where the descending colon joins the rectum in humans. [1780–90] Thesaurus| Noun | 1. | sigmoid flexure - the s-shaped curve between the descending colon and the rectumsigmoid colonlarge intestine - beginning with the cecum and ending with the rectum; includes the cecum and the colon and the rectum; extracts moisture from food residues which are later excreted as fecescolon - the part of the large intestine between the cecum and the rectum; it extracts moisture from food residues before they are excreted |
EncyclopediaSeesigmoid colonsigmoid flexure
flexure [flek´sher] 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.sig·moid co·lon [TA] the part of the colon describing an S-shaped curve between the pelvic brim and the third sacral segment; it is continuous with the rectum. Synonym(s): colon sigmoideum [TA], colon pelvinum, flexura sigmoidea, sigmoid flexuresigmoid flexure
Related to sigmoid flexure: sigmoid colon, colon sigmoideumSynonyms for sigmoid flexurenoun the s-shaped curve between the descending colon and the rectumSynonymsRelated Words |