1994
DOI: 10.1002/ar.1092390213
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Conjoined twin piglets with duplicated cranial and caudal axes

Abstract: The relationship between the abnormal reproductive features in these twins and the conjoining is unclear. The anatomy of these twins, in addition to the literature reviewed, illustrates the internal anatomical heterogeneity of grossly similar conjoined twins. A review of the literature also suggests that conjoined twinning may be more common in swine than was previously suspected.

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Cited by 10 publications
(13 citation statements)
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“…Various types of conjoined twins in the pig were reported by Partlow et al (1981), McManus et al (1994) and Mostafa et al (2005). However, cephalopagus in this species was not thoroughly investigated and described.…”
mentioning
confidence: 99%
“…Various types of conjoined twins in the pig were reported by Partlow et al (1981), McManus et al (1994) and Mostafa et al (2005). However, cephalopagus in this species was not thoroughly investigated and described.…”
mentioning
confidence: 99%
“…Gêmeos siameses são descritos em todas as espécies animais (McManus et al, 1994), enquanto a diprosopia ocorre em gatos, veados, caprinos, ovinos, ratos e bovinos (Camon et al, 1990) e é mais comum em ovinos (Dennis e Leipold, 1979).…”
Section: Defeitosunclassified
“…Na diprosopia, a região cefálica e as estruturas faciais mostram duplicidade, sem que haja separação das duas cabeças, e quase todos os casos apresentam um padrão monomórfico (Carles et al, 1995). Ainda, há dois eixos completos da notocorda no interior de uma coluna vertebral, o que difere da dicefalia, em que dois eixos vertebrais completamente separados e paralelos estão presentes (Spencer, 1992).Gêmeos siameses são descritos em todas as espécies animais (McManus et al, 1994), enquanto a diprosopia ocorre em gatos, veados, caprinos, ovinos, ratos e bovinos (Camon et al, 1990) e é mais comum em ovinos (Dennis e Leipold, 1979).Uma bezerra da raça Holandesa PB, recém-nascida, com duplicação da face e duas calotas cranianas fundidas, formando uma só cabeça, foi trazida ao Laboratório de Patologia Veterinária -UFPR -Campus Palotina. O animal apresentava dificuldade respiratória e morreu logo após a sua chegada.…”
unclassified
“…However, the spectrum of anomalies can vary from duplication of a single facial or skull bone to complete facial and skull duplication with associated brain abnormalities (Barr Jr., 1982). Diprosopus is not unique to humans but has been reported in a variety of other species including: cat (Sekeles et al, 1985), buffalo calf (Misk & Hifny, 1988; Sharma et al, 2010), calf (Jenkins & Hardy Jr., 1968; Jhamb et al, 2021; Leipold & Dennis, 1972; Saperstein, 1981), foal (Götz, 1991), lamb (Dennis, 1975; Kaçar et al, 2008; Kerr, 2007; Mazzullo et al, 2003), goat (Mukaratirwa & Sayi, 2006), piglet (McManus et al, 1994), chick (Saini et al, 1993), shark (Lamarca et al, 2017; Sans‐Coma et al, 2017), whitefish (Nowosad & Kucharczyk, 2019), and crab (Scholtz et al, 2014).…”
Section: Introductionmentioning
confidence: 99%