| DCN | data collection network; deep cerebral nucleus; delayed conditioned necrosis; depressed, cognitively... |
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| DNR | daunorubicin; do not resuscitate; dorsal nerve root |
| DNS | deviated nasal septum; diaphragmatic nerve stimulation; did not show [for appointment]; Doctor of Nu... |
| DNV | dorsal nucleus of vagus nerve; double-normalized value |
| DPNB | dorsal penile nerve block |
| plexus mesentericus inferior | An autonomic plexus, derived from the abdominal aortic plexus, surrounding the inferior mesenteric artery and sending branches to the descending colon, sigmoid, and rectum. Synonym: plexus mesentericus inferior. (05 Mar 2000) |
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| plexus mesentericus superior | An autonomic plexus, a continuation of the abdominal aortic plexus, sending nerves to the intestines and forming with the vagus the subserous, myenteric, and submucous plexus's; this periarterial plexus is so dense that it results in the appearance of a characteristic perivascular "collar" distinguishing the superior mesenteric artery from the superior mesenteric vein in several imaging modalities such as with ultra sound. Synonym: plexus mesentericus superior. (05 Mar 2000) |
| plexus myentericus | One of two ganglionated neural networks which together form the enteric nervous system. The myenteric (auerbach's) plexus is located between the longitudinal and circular muscle layers of the gut. Its neurons project to the circular muscle, to other myenteric ganglia, to submucosal ganglia, or directly to the epithelium, and play an important role in regulating and patterning gut motility. (12 Dec 1998) |
| plexus nervorum spinalium | An intermingling of fibre fascicles from adjacent spinal nerves to form a network; the major plexus's are the cervical, brachial, and lumbosacral. Synonym: plexus nervorum spinalium. (05 Mar 2000) |
| plexus nervosus | A plexus formed by the interlacing of nerves by means of numerous communicating branches. Synonym: plexus nervosus. (05 Mar 2000) |
| plexus occipitalis | An autonomic plexus on the occipital artery derived from the external carotid plexus. Synonym: plexus occipitalis. (05 Mar 2000) |
| plexus oesophageus | One of two nervous plexus's, posterior and anterior on the walls of the oesophagus; the first is formed by branches from the right vagus and left recurrent, the second by the anastomosing trunks of the vagus after leaving the pulmonary plexus's; branches supply the mucous and muscular coats of the oesophagus. Synonym: plexus oesophageus, plexus gulae. (05 Mar 2000) |
| plexus of anterior cerebral artery | <anatomy, artery> An autonomic plexus accompanying the anterior cerebral artery, derived from the internal carotid plexus. Synonym: plexus arteriae cerebri anterioris. (05 Mar 2000) |
| plexus of choroid artery | <anatomy, artery> An autonomic plexus accompanying the artery of the same name, derived from the internal carotid plexus. Synonym: plexus arteriae choroideae. (05 Mar 2000) |
| plexus of middle cerebral artery | <anatomy, artery> An autonomic plexus accompanying the middle cerebral artery, derived from the internal carotid plexus. Synonym: plexus arteriae cerebri mediae. (05 Mar 2000) |
| plexus of spinal nerves | An intermingling of fibre fascicles from adjacent spinal nerves to form a network; the major plexus's are the cervical, brachial, and lumbosacral. Synonym: plexus nervorum spinalium. (05 Mar 2000) |
| plexus ophthalmicus | An autonomic plexus, entering the orbit in company with the ophthalmic artery, derived from the internal carotid plexus. Synonym: plexus ophthalmicus. (05 Mar 2000) |
| plexus ovaricus | An autonomic plexus derived from the aortic plexus and accompanying the ovarian artery to the ovary, broad ligament, and uterine tube. Synonym: plexus ovaricus. (05 Mar 2000) |
| plexus pampiniformis | <anatomy> A plexus formed, in the male, by veins from the testicle and epididymis, consisting of eight or ten veins lying in front of the ductus deferens and forming part of the spermatic cord. In the female the ovarian veins form this plexus between the layers of the broad ligament; in the male it is part of the thermoregulatory system of the testis, helping to keep the testis at a constant temperature slightly lower than the other body temperature. Synonym: plexus pampiniformis. (21 Jun 2000) |
| plexus pancreaticus | The autonomic plexus that accompanies the pancreatic arteries. Synonym: plexus pancreaticus. (05 Mar 2000) |