What's the difference between hilum and umbilicus?

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.

Umbilicus


Definition:

  • (n.) The depression, or mark, in the median line of the abdomen, which indicates the point where the umbilical cord separated from the fetus; the navel.
  • (n.) An ornamented or painted ball or boss fastened at each end of the stick on which manuscripts were rolled.
  • (n.) The hilum.
  • (n.) A depression or opening in the center of the base of many spiral shells.
  • (n.) Either one of the two apertures in the calamus of a feather.
  • (n.) One of foci of an ellipse, or other curve.
  • (n.) A point of a surface at which the curvatures of the normal sections are all equal to each other. A sphere may be osculatory to the surface in every direction at an umbilicus. Called also umbilic.

Example Sentences:

  • (1) Chemically isolated separate preparations of the non-aggregating protein-chondroitin-keratin sulphate (PCKS) fraction from the hyaline cartilage and hyaluronic acid (HUA) of the vitreous body and of the umbilicus were investigated by electron microscopy.
  • (2) Cultures were collected from the external ear, throat and umbilicus of all infants within 5 minutes of birth and at day 4 of life.
  • (3) Pneumoperitoneum may be indicated in the investigation of a bleeding Meckel's diverticulum, in the exclusion or confirmation of remnants of the omphalomesenteric duct, in chronically moist lesions of the umbilicus resistant to symptomatic treatment, in suspected cases of non-communicating urachal cysts which cannot be diagnosed by cystogram, and in the differential diagnosis of abdominal tumours related to the umbilical region.
  • (4) Faecal specimens were cultured daily for E. coli as were swabs from the rectum, groin, umbilicus, head, hands und mouth.
  • (5) The only consistent pattern distribution was that mff were recovered from all 10 hides at four sample sites along the ventral midline near the umbilicus.
  • (6) A lace used in obstetrics for ligation of umbilicus served as the tourniquet.
  • (7) Cultures were taken from the catheter tips and from the umbilicus at the time of withdrawal of the catheter.
  • (8) Plasma arginine vasopressin was more than 5 times greater 15 min following birth than immediately prior to clamping the umbilicus, and it fell progressively over the ensuing 2-5 h to levels not significantly different from before birth.
  • (9) The masculinisation of the external genitalia begins as early as day 47 by a rapid increase of the anogenital distance: on day 60, the penis opens under the umbilicus and the scrotum is well differentiated.
  • (10) A pooling of contrast medium (8 X 2.5 cm) under the umbilicus was detected by a fistelography from the umbilicus, and a low density mass was detected under the abdominal wall between the umbilicus and the dome of bladder on a CT scan.
  • (11) Complete removal of the skin and fat between the umbilicus and the pubis is always possible if the operating table is put in a proper position for closure.
  • (12) Two additional trocars were inserted at the level of the umbilicus at the anterior axillary lines.
  • (13) Massive hepatomegaly (below the umbilicus) was demonstrated in 18 patients.
  • (14) In one case a mass was localized to the bladder wall and immediate juxtavesical region; in the other case an advanced locally invasive lesion was seen to engulf and fisulize loops of small bowel and extend through the umbilicus.
  • (15) The defect concerned the lateral thoracoabdominal area, on both sides of the umbilicus, jointed with a fine linear communication, and have the classical butterfly wind-like shape.
  • (16) The ligamentum teres hepatis connects the umbilicus to the left lobe of the liver, and thus a hepatic lesion can spread through the ligament to the umbilicus and the anterior abdominal wall.
  • (17) The skin at the bottom of the umbilicus and the abdominal fascia under the umbilicus were excised round.
  • (18) Our procedure uses a single flap or brings two flaps together, to form a three-dimensional structure with a single or double suture line, so that the umbilicus will retain its depth over a long period of time.
  • (19) The umbilicus was not reconstructed because of the danger of recurrence.
  • (20) Necropsy of the fetuses revealed serogelatinous edema in the SC connective tissue of the ventral abdominal region (especially around the umbilicus), exaggerated amounts of serohemorrhagic fluid in the abdominal, pleural, and pericardial cavities, and hemorrhagic kidneys, with diminished consistency.