What's the difference between hilum and hilus?

Hilum


Definition:

  • (n.) The eye of a bean or other seed; the mark or scar at the point of attachment of an ovule or seed to its base or support; -- called also hile.
  • (n.) The part of a gland, or similar organ, where the blood vessels and nerves enter; the hilus; as, the hilum of the kidney.

Example Sentences:

  • (1) Other angiographic procedures also revealed marked hepatopetal collaterals (cavernous transformation) entering the liver through the hilum.
  • (2) This report presents a patient with a tumor of the splenic flexure invading the diaphragm, greater curvature of the stomach, splenic hilum, and tail of the pancreas.
  • (3) In addition, two nodules at the hilum of the spleen were also removed.
  • (4) The extent of the defect in perfusion was closely related to involvement of the pulmonary vessels at the hilum by distortion, compression, or invasion by the tumour.
  • (5) The number of mast cells was highest in the hilum, in all the given reproductive states.
  • (6) The mechanisms for the development of this lesion are: 1. direct extension of the pancreatic cyst into the splenic hilum; 2. digestive effects of pancreatic enzymes on splenic vasculature and parenchyma; 3. pancreatitis occurring in ectopic intrasplenic pancreatic tissue and 4. liquefaction of splenic infarcts secondary to thrombosis of the splenic vessels.
  • (7) Since most pulmonary tumors metastasize via regional nodes to the pulmonary hilum and then to the mediastinum, the high sensitivity for the detection of pulmonary hilar abnormalities and the high specificity for detection of mediastinal lesions suggest that gallium scintigraphy is a valuable adjunctive test when used appropriately.
  • (8) 3) Ducts from the left lateral part of the left caudate lobe to the hepatic hilum named Bl l i were confirmed in 37.
  • (9) The diagnosis was made by CT examination which showed an eccentric enhancing region within a hypodense mass in the region of the splenic hilum.
  • (10) MR imaging is also useful in evaluating the hilum and mediastinum in patients who cannot receive intravenous contrast for CT evaluation.
  • (11) A patient's left vocal cord was paralysed by cancer in the left pulmonary hilum and apex.
  • (12) In the three cases of obstructive jaundice, the abscess cavities were located close to the hilum and compressed the main bile duct.
  • (13) The hilar plexus sends branches to the veins of the segments adjacent to the hilum.
  • (14) Plain chest film performed after blunt chest trauma showed blurring of the left pulmonary hilum in 53% of cases of traumatic aortic rupture (Group A, n = 15), and in no cases with negative aortography (Group B, n = 10).
  • (15) The juxtaglomerular apparatus, located in the glomerular hilum, consists of a vascular component (afferent and efferent arterioles and extraglomerular mesangium) and a tubular component (macula densa).
  • (16) Tumor located in the hilum of the lung was well visualized with 11C-AIB prior to chemotherapy.
  • (17) From these results, it is concluded that in carcinoma of the hepatic hilum the visualization of B1 in CT-scan after release of jaundice by PTCD strongly suggests the cancer invasion on B1, and requests the caudate lobe resection.
  • (18) Two-dimensional (2D) time-of-flight (TOF) stereoscopic MR angiographies (MRA) of the pulmonary vessels were obtained from 15 healthy volunteers and five patients with pulmonary cancer in the mediastinum and pulmonary hilum.
  • (19) Morphometric studies on myelinated fibres were performed on the nerve at mid-cervical, lung hilum and diaphragmatic levels.
  • (20) At presentation, US demonstrates the tumor mass within the liver or the hepatic hilum; it allows measurement of it and defines the relationship with portal vessels, biliary tract and other important structures.

Hilus


Definition:

  • (n.) Same as Hilum, 2.

Example Sentences:

  • (1) Two small populations of GLY + neurons were observed outside of the named nuclei of the SOC; one was located dorsal to the LSO, near its dorsal hilus, and the other was identified near the medial pole of the LSO.
  • (2) These laminae included the dentate hilus and strata oriens, pyramidale and lacunosum-moleculare of CA1.
  • (3) Independently from their drainage ways, all enlarged lymph nodes, also those situated in areas not accessible by lymphography like the hilus of liver, spleen, kidney, and retrohepatic, mesenteric, and intraperitoneal regions, can be visualized even without administration of a contrast medium.
  • (4) The other tumor was a small corticomedullary stromal luteoma with bilateral hyperthecosis and nodular hilus cell hyperplasia.
  • (5) Most of the GABA-negative calretinin-immunoreactive neurons were located in the hilus of the dentate gyrus and in stratum lucidum of the CA3 subfield.
  • (6) This assumed pathology is divided half in pancreatic causes (neoplasm, pancreatitis, pseudocysts) and half in hepatobiliary causes (metastatic cancer of the liver, cancer of the hilus, cirrhosis, hydatid cyst, alveolar echinococcosis or angioma).
  • (7) Intra-epithelial beaded nerve fibers, subepithelial fibers, and large-caliber nerves in the hilus region and tracheal wall were also CGRP-IR, and immunoreactive nerves were occasionally found in close association with NEB at the basal pole.
  • (8) Within the glandular body arteries, veins and excretory ducts vessels were found running their course through the connective tissue, finally emerging through the hilus of lobules into the lobules.
  • (9) This was particularly the case in the hypothalamus (areas of origin or termination of the tuberohypophyseal and incertohypothalamic dopamine systems) but also in the hippocampal formation (alveus, fimbria, hilus dentate gyrus), amygdaloid complex (anterior, basolateral, medial nuclei).
  • (10) Because of our anatomical and surgical findings we have used the retroperitoneal approach to the splenic hilus by means of the lumbar region.
  • (11) As a complication unknown as yet a laceration of the renal hilus vessels is described, and the possible causes are discussed.
  • (12) In additional experiments at least some of the GAD- and SS-immunoreactive hilar neurons were further characterized as commissural neurons by retrograde filling with horseradish peroxidase (HRP) following an injection of the tracer into the contralateral hilus.
  • (13) TOH-containing fibers were associated with 90% of the blood vessels (arteries, veins, arterioles and venules) in the hilus, medullary and internodular regions of lymph nodes and in trabeculae with no obvious relationship to blood vessels.
  • (14) A weak to moderate signal was observed over the pyramidal cell layer of the hilus and CA3 region of the hippocampus, over the anterodorsal thalamic nucleus, over Purkinje cells of the cerebellar cortex, and in scattered clusters over the external-most layer of the median eminence.
  • (15) By light microscopy, the majority of varicose processes with intense TH-like immunoreactivity (LI) were contained in the hilus of the dentate gyrus (DG) and strata radiatum and lacunosum-moleculare of the CA3 region of the hippocampus.
  • (16) Innervation was restricted primarily to vessels in the portal space and hilus.
  • (17) The commissural projection to the fascia dentata was observed to originate exclusively from cells within the hilus fasciae dentatae (CA4) of the contralateral area dentata.
  • (18) These results demonstrate a physiological difference between the excitatory drive to excitatory and inhibitory neurons in the hilus that certainly contributes to differences in synaptic strength and that may be applicable to other brain regions.
  • (19) Within 2 weeks of reconstitution, human cells were also identified in lymphoid structures in the vicinity of the liver hilus with a later spread to other lymphoid organs.
  • (20) The roentgenological picture of median oat-cell cancer is characterized by the presence of tumor conglomerate in the lung hilus, which consisted of the primary tumor penetrating in lymph nodes adjacent to the bronchus in 66.6% of canses.

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