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  • 1995-1999  (3)
  • Reduviidae  (2)
  • Anterior spinal artery syndrome  (1)
  • 1
    Electronic Resource
    Electronic Resource
    Factors regulating predation by first-instar spined assassin bugs [Sinea diadema (Fabricius)] (Hemiptera: Reduviidae) (1996)
    Springer
    Journal of insect behavior 9 (1996), S. 23-35 
    Details
    ISSN: 1572-8889
    Keywords: Reduviidae ; interspecific predation ; intraspecific predation ; nutrition ; kin recognition
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Selected nutritional and developmental factors regulating the predatory behavior of first-instar spined assassin bugsSinea diadema (Fabricius) (Hemiptera: Reduviidae) were investigated. The longevity of unfed nymphs provided with free water, bean pod sections, or glucose solutions was not significantly greater than that of unfed nymphs which were not provided with a source of water. First-instarS. diadema that were provided with larvae ofEphestia kuehniella Zeller (Lepidoptera: Pyralidae) as prey began feeding 1.9 (±0.9) days after hatching. In contrast, first-instarS. diadema that were provided with conspecifics of the same age did not begin feeding until they were 3.9 (±0.9) days old. These results suggest that the potential nutritional benefits to be gained from feeding equal or outweigh the risk of attacking prey capable of effective self-defense only when nymphs have not fed for 4 days after hatching. Providing the nymphs with water or glucose solutions significantly delayed the onset of conspecific predation. Additional data are presented which demonstrate that first-instarS. diadema are not restrained from preying on siblings by kin recognition.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02213721
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    The effect of hunger on intraspecific interactions between first-instarSinea diadema (Hemiptera: Reduviidae) (1996)
    Springer
    Journal of insect behavior 9 (1996), S. 37-45 
    Details
    ISSN: 1572-8889
    Keywords: predator-prey interactions ; Reduviidae ; hunger ; cannibalism
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Fed and unfed first instars of the spined assassin bugSinea diadema were paired to evaluate the effects of food deprivation on their behaviour during encounters. Fed nymphs encountering starved 5-day-old nymphs retreated from 69% of the encounters after contacting the starved nymph. In contrast, starved nymphs initiated grappling during 30% of the encounters with fed nymphs and retreated significantly less often than the fed nymphs. When a single fed nymph was placed together with two unfed 3-day-old nymphs in a closed arena, the fed nymphs generally were not the first nymph cannibalized and were the final survivors in 67% of 24 replicates. These results are discussed in the context of the relative costs and benefits of escalating or retreating from encounters.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02213722
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    Paper (German National Licenses)
    Fulltext
  • 3
    Electronic Resource
    Electronic Resource
    Spinalis-anterior-Syndrom nach thoracoabdomineller Oesophagusresektion Eine seltene Komplikation (1997)
    Springer
    Der Chirurg 68 (1997), S. 902-905 
    Details
    ISSN: 1433-0385
    Keywords: Key words: Carcinoma of esophagus ; Anterior spinal artery syndrome ; Transesophageal echocardiography. ; Schlüsselwörter: Oesophaguscarcinom ; Spinalis-anterior-Syndrom ; transoesophageale Echokardiographie.
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung. Wir berichten über den Fall eines Patienten mit Oesophaguscarcinom des mittleren Drittels im klinischem Stadium III, der nach kurativer thoracoabdomineller Oesophagusresektion eine Paraparese beider Beine mit Sensibilitätsausfall ab TH12/L1 und zusätzlich dissoziierter sensomotorischer Empfindungsstörung ab C6/C7 rechts sowie ab TH5 links entwickelte. Ursache war offenbar die Abschilferung eines Aortenwandplaques mit partieller Verlegung der A. radicularis magna (Adamkiewicz) bei bekannter fortgeschrittener Arteriosklerose. In der Literatur ist das Spinalis-anterior-Syndrom überwiegend nach Operationen der thorakalen Aorta beobachtet worden und nicht nach Eingriffen an der Speiseröhre. Über diese seltene, aber schwerwiegende Komplikation bedarf es vor Oesophaguseingriffen keiner zusätzlichen Aufklärung.
    Notes: Summary. We report a case of postoperative paraplegia resembling an anterior spinal artery syndrome after curative esophagectomy in a patient with carcinoma of esophagus and clinical stage III (UICC). Neurologic deficit was characterized by loss of sensibility at the level of T12/L1 together with paraparesis of both lower extremities. Furthermore, dissociated sensorimotor depletion at C6/C7 (rightsided) and at T5 (leftsided) was noted. This severe complication was most probably caused by peeling of an arteriosclerotic plaque of the thoracic aorta due to preexisting advanced arteriosclerosis, leading to a partial occlusion of the great radicular artery of Adamkiewicz. Even though anterior spinal artery syndrome is a well-known problem in the operative management of thoracic aortic aneurysms, this complication has not previously been reported after esophagectomy.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s001040050292
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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