| constriction ring | The equatorial ring of microfilaments that diminishes in diameter probably both by contraction and disassembly as cytokinesis proceeds. (18 Nov 1997) |
|---|---|
| constriction | The act of constricting. (12 Dec 1998) |
| constriction, pathologic | The condition of an anatomical structure's being constricted beyond normal dimensions. (12 Dec 1998) |
| primary constriction | The narrowing between the two arms of the chromosome represented by the centromere. (05 Mar 2000) |
| secondary constriction | A subsidiary narrowing of the chromosome associated in some cases with satellites. (05 Mar 2000) |
| pyloric constriction | A prominent fold of mucous membrane at the gastroduodenal junction overlying the pyloric sphincter. Synonym: pyloric valve, valvula pylori, valvulae pylori. (05 Mar 2000) |
| maternal dystocia | Dystocia caused by an abnormality or physical problem in the mother. (05 Mar 2000) |
| cervical dystocia | Difficult labour and delivery caused by mechanical obstruction at the cervix. Dystocia comes from the Greek dys meaning difficult, painful, disordered, abnormal + tokos meaning birth. (12 Dec 1998) |
| placental dystocia | Trouble delivering the placenta (the afterbirth). Dystocia comes from the greek dys meaning difficult, painful, disordered, abnormal + tokos meaning birth. (12 Dec 1998) |
| dystocia | <medicine> Difficult delivery pr parturition. Origin: NL, fr. Gr.; ill, hard + delivery. Source: Websters Dictionary (01 Mar 1998) |
| dystocia, cervical | Dystocia caused by mechanical obstruction at the cervix. (12 Dec 1998) |
| dystocia, foetal | Dystocia caused by the foetus due to its size (too big), shape or position in the uterus. (12 Dec 1998) |
| dystocia, placental | Trouble delivering the placenta (the afterbirth). (12 Dec 1998) |
| foetal dystocia | Difficult labour and delivery caused by the foetus' size (too big), shape or position. Dystocia comes from the Greek dys meaning difficult, painful, disordered, abnormal + tokos meaning birth. (12 Dec 1998) |
| abdominal ring | The opening in the transversalis fascia through which the ductus deferens (or round ligament in the female) and gonadal vessels enter the inguinal canal. Located midway between anterior superior iliac spine and pubic tubercle, it is bounded medially by the lateral umbilical ligament (inferior epigastric vessels) and inferiorly by the inguinal ligament. Indirect inguinal hernias exit the abdominal cavity via the deep inguinal ring Synonym: annulus inguinalis profundus, abdominal ring, annulus abdominalis, internal inguinal ring. (05 Mar 2000) |