What's the difference between organ and velum?

Organ


Definition:

  • (n.) An instrument or medium by which some important action is performed, or an important end accomplished; as, legislatures, courts, armies, taxgatherers, etc., are organs of government.
  • (n.) A natural part or structure in an animal or a plant, capable of performing some special action (termed its function), which is essential to the life or well-being of the whole; as, the heart, lungs, etc., are organs of animals; the root, stem, foliage, etc., are organs of plants.
  • (n.) A component part performing an essential office in the working of any complex machine; as, the cylinder, valves, crank, etc., are organs of the steam engine.
  • (n.) A medium of communication between one person or body and another; as, the secretary of state is the organ of communication between the government and a foreign power; a newspaper is the organ of its editor, or of a party, sect, etc.
  • (n.) A wind instrument containing numerous pipes of various dimensions and kinds, which are filled with wind from a bellows, and played upon by means of keys similar to those of a piano, and sometimes by foot keys or pedals; -- formerly used in the plural, each pipe being considired an organ.
  • (v. t.) To supply with an organ or organs; to fit with organs; to organize.

Example Sentences:

  • (1) The high amino acid levels in the cells suggest that these cells act as inter-organ transporters and reservoirs of amino acids, they have a different role in their handling and metabolism from those of mammals.
  • (2) These organic compounds were found to be stable on the sorbent tubes for at least seven days.
  • (3) The main clinical features pertaining to the concept of the "psycho-organic syndrome" (POS) were investigated in a sample of children who suffered from severe craniocerebral trauma.
  • (4) After 3 and 6 months, blood collected by cardiocentesis using ether anesthesia and then sacrificed to remove CNS and internal organs.
  • (5) Addition of phospholipase A2 from Vipera russelli venom led to a significant increase in the activity of guanylate cyclase in various rat organs.
  • (6) For the first time it was organized on the basis of population.
  • (7) Acceptance of less than ideal donors is ill-advised even though rejection of such donors conflicts with the current shortage of organs.
  • (8) There is no evidence that health-maintenance organizations reduce admissions in discretionary or "unnecessary" categories; instead, the data suggest lower admission rates across the board.
  • (9) We conclude that chloramphenicol resistance encoded by Tn1696 is due to a permeability barrier and hypothesize that the gene from P. aeruginosa may share a common ancestral origin with these genes from other gram-negative organisms.
  • (10) Recovery of CV-3988 from plasma averaged 81.7% for the column procedure and 40% for the organic extraction.
  • (11) One of the main users is coastal planning organizations and conservation organizations that are working on coral reefs.
  • (12) Infection with opportunistic organisms, either singly or in combination, is known to occur in immunocompromised patients.
  • (13) The causative organisms included viruses, fungi, and bacteria of both high and low pathogenicity.
  • (14) A chronic cannulation procedure is described which allows for sampling vomeronasal organ (VNO) contents repeatedly in freely moving conscious subjects.
  • (15) Neither Brucella organisms, nor increased numbers of neutrophils could be found in semen samples collected from the experimental animals.
  • (16) The lineage and clonality of Hodgkin's disease (HD) were investigated by analyzing the organization of the immunoglobulin and T-cell receptor beta-chain (T beta) gene loci in 18 cases of HD, and for comparison, in a panel of 103 cases of B- and T-cell non-Hodgkin's lymphomas (NHLs) and lymphoid leukemias (LLs).
  • (17) A review is made from literature and an inventory of psychological and organic factors implicated in this pathology.
  • (18) The authors conclude that H. pylori alone causes little or no effect on an intact gastric mucosa in the rat, that either intact organisms or bacteria-free filtrates cause similar prolongation and delayed healing of pre-existing ulcers with active chronic inflammation, and that the presence of predisposing factors leading to disruption of gastric mucosal integrity may be required for the H. pylori enhancement of inflammation and tissue damage in the stomach.
  • (19) Data is available to support the early influences of enamel organ epithelium upon a responding mesenchyme in the determination of dental morphogenetic fields (Dryburg, 1967; Miller, 1969).
  • (20) The four deaths were not related to the injuries of parenchymatous organs.

Velum


Definition:

  • (n.) Curtain or covering; -- applied to various membranous partitions, especially to the soft palate. See under Palate.
  • (n.) See Veil, n., 3 (b).
  • (n.) A thin membrane surrounding the sporocarps of quillworts Isoetes).
  • (n.) A veil-like organ or part.
  • (n.) The circular membrane that partially incloses the space beneath the umbrella of hydroid medusae.
  • (n.) A delicate funnel-like membrane around the flagellum of certain Infusoria. See Illust. a of Protozoa.

Example Sentences:

  • (1) MRI revealed cranium bifida and agenesis of anterior medullar velum.
  • (2) To compare biochemical differences between bivalves with and without endosymbiotic chemoautotrophic bacteria, specimens of Solemya velum, a bivalve species known to contain bacterial endosymbionts, and the symbiont-free soft-shelled clam Mya arenaria, were collected from the same subtidal reducing sediments during October and November 1988.
  • (3) The Z-plasties facilitate effective dissection and redirection of the palatal muscles to produce an overlapping muscle sling and lengthen the velum without using tissue from the hard palate, which permits hard palate closure without pushback or lateral relaxing incisions.
  • (4) We now report that, compared to controls, rats with acute EAE exhibit fewer detectable mast cells in their dura mater and velum interpositum.
  • (5) The superior medullary velum was not recognized in 10 cases and the corpus medullare in 5.
  • (6) Its efficacy is generally accepted, and its use, especially in cases of obstructive sleep apnea syndrome, is the only treatment of the palatal velum at present practiced.
  • (7) The axons originate in dorsal dendrites, run dorsally along the border of the gray matter and pierce the velum medullare on the contralateral side.
  • (8) While coughing the movement of the velum is purely passive because of the exspirational thrust.
  • (9) The velopharyngeal closure patterns can be grouped into five categories according to the manner of the velum and lateral pharyngeal wall movements.
  • (10) Few 5-HT nerve terminals occurred only on the roof of the fourth ventricle (velum medullare, lamina epithelialis of the tela chorioidea), and the surface of the choroid plexus epithelia was devoid of such nerves.
  • (11) The inferior medullary velum and tela choroidea were removed intact from the fourth ventricle, post-osmicated, dehydrated, critical point dried, coated with palladium-gold and examined in a Cambridge Stereoscan S4 scanning electron microscope.
  • (12) The clinical presentation, radiological findings, and surgical management of two cases of meningioma arising from the velum interpositum without dural attachment are described.
  • (13) The delta 13C and delta 15N ratios of the amino acids are very similar to the isotope ratios previously found in both the endosymbionts and whole tissues of S. velum.
  • (14) Five patients evaluated via multi-view videofluoroscopy were found to have incongruous movements between the velum and lateral aspects of the pharyngeal walls.
  • (15) They are lined on the inside towards the distal part of the velum by thin epithelium and towards the proximal part by ciliated sensory cells.
  • (16) The cerebellum, the beginning of which was already noted at stages 13 and 14, consists of (1) a rostral part that arises from the alar plate of the isthmic segment and will form the superior medullary velum and part of the corpus cerebelli; and (2) a caudal part that develops from rhombomere 1.
  • (17) The measuring principle is described and the movements of the velum during speech production are demonstrated in cleft palate patients with different speech results.
  • (18) In individuals without pharyngeal flap surgery the velum was displaced in the anterior direction and its position could be influenced by the pushback of the mandible.
  • (19) In addition to this permanement neurogenous myoclonus, there are also rhythmical contractions of the velum, usually considered to be psychogenous.
  • (20) The second procedure is for use after exeresis involving all or almost all of the soft palate and a half of the posterior pharyngeal wall, and makes use of velum palatinum reconstruction.