(n.) The belly, or that part of the body between the thorax and the pelvis. Also, the cavity of the belly, which is lined by the peritoneum, and contains the stomach, bowels, and other viscera. In man, often restricted to the part between the diaphragm and the commencement of the pelvis, the remainder being called the pelvic cavity.
(n.) The posterior section of the body, behind the thorax, in insects, crustaceans, and other Arthropoda.
Example Sentences:
(1) Findings on plain X-ray of the abdomen, using the usual parameters of psoas and kidney shadows in the Nigerian, indicate that the two communities studied are similar but urinary calculi and urinary tract distortion are significantly more prominent in the community with the higher endemicity of urinary schistosomiasis.
(2) The rational surgical methods of treatment in 85 patients with suppurative hepatic echinococcosis penetrating into the abdomen cavity are presented.
(3) Chest and biceps circumferences increased 4.2% and 3.1%, respectively; abdomen and thigh circumferences did not significantly change; body fat decreased 16.8%; and body mass increased 2.3%.
(4) Duplex and color Doppler sonography have become indispensable for evaluating the major vessels of the abdomen.
(5) A 33-year old woman was admitted with high fever and excruciating pain in the lower right abdomen that had lasted on and off for months.
(6) In conclusion, a zipper technique has been outlined that allows effective continuing drainage of the septic abdomen, permits early diagnosis of organ damage, is rapid and cost effective, minimizes ventilator dependency and gastrointestinal complications, is well tolerated by the patients, and has produced a modest 65 per cent survival rate in the first 34 critically ill patients in whom it was used.
(7) As for possible causes of reduced Leydig cell activity it was investigated whether the testis was (1) hypoplastic; (2) abnormally fused with the epididymis; (3) located in the abdomen; (4) or UT was associated with hypospadias.
(8) The clinical presentation is that of an acute abdomen.
(9) The rapidity of obtaining the results (within one hour), the complete absence of untoward reactions to the radiopharmaceuticals, the much lower frequency of subtle or indeterminate results, the ability to render useful information in the presence of moderate jaundice and the lack of interference from overlying intestinal contents establishes these radionuclide agents as superior to both radiographic oral and intravenous cholangiography in the investigation of the acute abdomen.
(10) Regarding space occupying lesions in the abdomen angiography is an aid in diagnosis and differential diagnosis and provides information on the curability.
(11) The characteristic signs and symptoms represent the triad of a pulsatile mass in the upper part of the abdomen, intermittent hemorrhage in the upper part of the gastrointestinal tract and severe epigastralgia not relieved by antacids.
(12) There are two sites for transplantation, which are the submamma and the upper lateral region of abdomen.
(13) We analysed the plain abdomen and chest films of 62 patients with this disease.
(14) Contrast media in magnetic resonance imaging (MRI) of the abdomen and pelvis are applied for various purposes; different substances and forms of application must be distinguished.
(15) In all series of experiments multidimensional statistical analysis allowed one to reveal the effect conducive to a relative decrease in the blood content in the brain, myocardium, lungs, liver and to its increase in some abdominal organs, skin, muscle and bone tissues of the extremities, abdomen and pelvis.
(16) The lesion has occurred in many sites, but is commonest in the thorax (60%), abdomen (11%), neck (14%), and axilla (4%).
(17) The remaining patients had vague pains, tender abdomen, constitutional symptoms or a mass in the abdomen.
(18) In 25 patients, small cell lung cancer was staged prospectively with both conventional staging and a magnetic resonance (MR) imaging protocol that included 1.5-T MR imaging of the pelvis, abdomen, spine, and brain.
(19) Laparoscopy with artificial ascites creates a larger space between organs and makes an accurate inspection of the entire intra-peritoneal abdomen possible.
(20) No evidence of lymphomatous involvement of lymph nodes and non-lymphoid organs was found by CT scan, ultrasound echography and gallium scan of the chest and abdomen.
Ventral
Definition:
(a.) Of or pertaining to that surface of a carpel, petal, etc., which faces toward the center of a flower.
(a.) Of, pertaining to, or situated near, the belly, or ventral side, of an animal or of one of its parts; hemal; abdominal; as, the ventral fin of a fish; the ventral root of a spinal nerve; -- opposed to dorsal.
(a.) Of or pertaining to the lower side or surface of a creeping moss or other low flowerless plant. Opposed to dorsal.
Example Sentences:
(1) The possibility that the ventral nerve photoreceptor cells serve a neurosecretory function in the adult Limulus is discussed.
(2) While the heaviest anterogradely labeled ascending projections were observed to the contralateral ventral posterolateral nucleus of the thalamus, pars oralis (VPLo), efferent projections were also observed to the contralateral ventrolateral thalamic nucleus (VLc) and central lateral (CL) nucleus of the thalamic intralaminar complex, magnocellular (and to a lesser extent parvicellular) red nucleus, nucleus of Darkschewitsch, zona incerta, nucleus of the posterior commissure, lateral intermediate layer and deep layer of the superior colliculus, dorsolateral periaqueductal gray, contralateral nucleus reticularis tegmenti pontis and basilar pontine nuclei (especially dorsal and peduncular), and dorsal (DAO) and medial (MAO) accessory olivary nuclei, ipsilateral lateral (external) cuneate nucleus (LCN) and lateral reticular nucleus (LRN), and to a lesser extent the caudal medial vestibular nucleus (MVN) and caudal nucleus prepositus hypoglossi (NPH), and dorsal medullary raphe.
(3) By 3 d in the chick embryo, the first neurons detected by antibodies to Ng-CAM are located in the ventral neural tube; these precursors of motor neurons emit well-stained fibers to the periphery.
(4) Following injections of HRP into the apex of the heart, the sinoatrial (SA) nodal region and the ventral wall of the right ventricle, we observed that HRP-labeled sympathetic neurons were localized predominantly in the right stellate ganglia, and to a lesser extent, in the right superior and middle cervical ganglia, and left stellate ganglia.
(5) The effects of clozapine on the spontaneous firing rate of noradrenergic (NE, locus coeruleus), dopaminergic (DA, zona compacta, ventral tegmental area) and non-dopaminergic (zona reticulata) neurons was studied in chloral hydrate anesthetized rats.
(6) Differences between parental and nonparental birds in VIP profiles were detected in the ventral portion of the infundibular region.
(7) The dominance of XBMP-4 over activin may account for the ability of injected XBMP-4 RNA to 'ventralize' whole Xenopus embryos.
(8) This column is located ventral and lateral to the dorsolateral division of the trigeminal motor nucleus, and just medial to the descending trigeminal nerve rootlets.
(9) Lumbosacral spine films revealed only minimal degenerative changes, while lumbar myelogram showed L4-L5 and L5-S1 ventral extradural defects.
(10) The ventral root dissection technique was used to obtain contractile and electromyogram (e.m.g.)
(11) The ventral tract ends almost entirely in the anterior lobe with the majority of fibres terminating contralateral to the side of the hemisection.
(12) Descending neurons have opposite structural polarity, arising in the brain and terminating in segmental regions of the fused ventral ganglia.
(13) It was found that within the dorsal part of the well known pressor area there is a narrow strip, 2.5 mm lateral from the mid line, starting ventral to the inferior colliculus and ending in the medulla close to the floor of the IV ventricle, from which vasodilatation in skeletal muscles is selectively obtained.
(14) Injection of the tracer substance wheat germ agglutinin-horseradish peroxidase (WGA-HRP) directly into the basilar pontine nuclei using a ventral surgical approach resulted in the labeling of somata in many areas both rostral and caudal to the basilar pons.
(15) Contact guidance has been suggested to direct NC cells ventrally in the trunk, but this has been subject to doubt (see Newgreen and Erickson, 1986, Int.
(16) These additional projections were interpreted as entering the CN by a ventral route.
(17) Cytochrome oxidase histochemistry revealed patchy patterns of the enzyme activity in transverse sections through the caudal part of the ventral subnucleus of the principal sensory trigeminal nucleus, interpolar spinal trigeminal nucleus, and layer IV of the caudal spinal trigeminal nucleus in the cat.
(18) Zebrin II-negative Purkinje cells are present in a continuous region encompassing the rostromedial part of the valvula, the lobus transitorius, lobe C1 and the ventral part of lobe C2, and in a small, lateral zone of the posterior part of the caudal lobe.
(19) To test whether congenital nemaline myopathy (NM) might have a neurogenic basis, we evaluated the number and frequency distribution of L5 motoneuron cell bodies and their myelinated ventral root (VSR) axons in a typical case.
(20) Fractionation of the supernatant from ventral or dorsal hypothalamic homogenates resulted in a bimodal distribution of IR-TSH.