Intramyocardial course of the coronary arteries in the marsh deer (Blastocerus dichotomus)

Machado, Márcia Rita Fernandes; Borges, E.; Oliveira, Fabrício Singaretti de; Filippini-Tomazini, Mariana; Melo, Alan Peres Ferraz de; Duarte, José Maurício Barbanti

doi:10.1590/s1413-95962002000600002

Cited by 5 publications

(6 citation statements)

References 3 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…In sheep, cattle and marsh deer, the left coronary artery is soon divided, forming the paraconal and circumflex arteries. 24,26,27 In sheep and roe deer, the circumflex artery forms the subsinuosal branch. 7,27 Pigs also have bilateral circulation, while horses have right circulation.…”

Section: Discussionmentioning

confidence: 99%

See 1 more Smart Citation

Gross Anatomy of the Heart of Pampas Deer (Ozotoceros bezoarticus, Linnaeus 1758)

et al. 2019

View full text Add to dashboard Cite

The pampas deer belongs to the Cervidae family (Artiodactyla order). It used to be a common and abundant species that had a wide distribution. However, at the end of the 19th century, the populations were decimated. In general, the hearts of mammals share many similarities, but size, shape, position, vessel organization and branching can vary among species. The objective of the present study was to describe the macroscopic morphology, topography and irrigation of the heart of the pampas deer. The anatomical study was conducted with 20 animals that had died of natural causes. The animals were studied by simple dissection. All animals had colored latex injected into one of the common carotid arteries to facilitate the visualization. The position of the heart, with a 45° axis, the presence of a double sternopericardial ligament, and the bilateral cardiac circulation were some of the notable findings.

show abstract

Section: Discussionmentioning

confidence: 99%

“…24,26,27 In sheep and roe deer, the circumflex artery forms the subsinuosal branch. 7,27 Pigs also have bilateral circulation, while horses have right circulation. 19,28 The venous drainage of the heart is similar in pampas deer, roe deer and sheep.…”

Section: Discussionmentioning

confidence: 99%

Gross Anatomy of the Heart of Pampas Deer (Ozotoceros bezoarticus, Linnaeus 1758)

et al. 2019

View full text Add to dashboard Cite

show abstract

“…Tecirlioğlu ve ark. [3] , ile Karadağ ve Soygüder'in [5] bildirdiği gibi a. coronaria sinistra'nın, çok sayıda atrial ve ventriküler dalı olan r. circumflexus sinister'e, Literatürde [18,20,[27][28][29] r. interventricularis subsinuosus'un a. coronaria dextra'dan orijin aldığını bildirilmiştir. Fakat Zavot ırkı sığırlarda r. interventricularis subsinuosus'un a. coronaria sinistra'nın sulcus interventricularis subsinuosus içerisinde devamı eden bir kolu olduğu belirlendi.…”

Section: Tartişma Ve Sonuçunclassified

Zavot Irkı Sığırlarda Koroner Arterler ve Kalp Kası Köprüleri

Akbulut¹,

Demiraslan²,

Aslan³

et al. 2014

Kafkas Univ Vet Fak Derg

View full text Add to dashboard Cite

Bu çalışma, Zavot ırkı sığırların kalbindeki koroner sirkülasyonu ve koroner arterler üzerinde bulunan kalp kası köprüsünün makroskobik ve mikroskobik özelliklerini belirlemek amacı ile yapıldı. Çalışmada 10 adet ergin Zavot ırkı sığır kalbi kullanıldı. Kalbin koroner arterlerini ortaya çıkarmak için a. coronaria sinistra ve a. coronaria dextra'dan renklendirilmiş latex enjekte edildi. Kalbin arteriyel vaskularizasyonunun aorta ascendens'ten orijin alan a. coronaria sinistra ve a. coronaria dextra tarafından sağlandığı tespit edildi. A. coronaria sinistra'nın çapının a. coronaria dextra'dan daha büyük, dallarının ise daha fazla olduğu belirlendi. Sağ ve sol koroner arter arasındaki anastomozların r. circumflexus sinister ile r. circumflexus dexter, r. interventricularis paraconalis ile a. coronaria dextra'nın ventriküler dalları ve r. coni arteriosi'ler arasında olduğu saptandı. Septum interventriculare'nin r. interventricularis paraconalis ile r. interventricularis subsinuosus'dan orijin alan rr. septales tarafından beslendiği gözlendi. Kalp kası köprüleri genişlikleri 6.39 mm ile 30.88 mm ve kalınlıkları 1.34 mm ile 6.25 mm olarak tespit edildi. R. marginis ventricularis sinistri üzerinde kalp kası köprüsüne rastlanılmadı. Kalp kası köprülerindeki kas liflerinin normal kalp kası liflerine benzer şekilde merkezi konumlu tek çekirdeğe ve enine bantlaşmalara sahip olduğu, bağlantı bölgelerinde interkalat disklerin bulunduğu görüldü. Ayrıca köprü içerisinde bulunan artere eşlik eden vena da tespit edildi. Anahtar sözcükler: Koroner arter, Kalp kası köprüsü, Zavot ırkı sığır The Coronary Arteries and Myocardial Bridges in Zavot-Breed Cattle SummaryThis study was conducted to determine of the coronary circulation and macroscopic and microscopic properties of myocardial bridge on coronary arteries in Zavot-breed cattle's heart. In this study, 10 hearts, adult Zavot breed cattle, were used. Colored latex was injected into a. coronaria sinistra and a. coronaria dextra to visualize coronary arteries of hearts. The arterial vascularization of the heart was determined to be supplied by a. coronaria sinistra and a. coronaria dextra which originated from the aorta ascendens. Diameter of the a. coronaria sinistra was larger than a. coronaria dextra and its branches had more. It was ascertained that anastomoses among the left and right coronary arteries were found between r. circumflexus sinister and r. circumflexus dexter, left and right r. coni arteriosi and ventricular branches of r. interventricularis paraconalis and a. coronaria dextra. It was investigated that septum interventriculare was supplied by rr. septales originated from r. interventricularis paraconalis and r. interventricularis subsinuosus. The thickness and width of myocardial bridges were determined as 6.39 mm to 30.88 mm and 1.34 mm to 6.25 mm, respectively. Myocardial bridge was not found above r. marginis ventricularis sinistri. It was seen that the muscle fibers in myocardial bridge had single central core and transverse-bands similar to the regular fibe...

show abstract

“…As in the present study, Gonsalves et al (2015) reported left coronary dominance in two hearts of M. gouazoubira. In the Blastocerus dichotomus, Machado et al (2002) revealed left coronary dominance after dissection of six specimens. However, Vazquez et al ( 2019) demonstrated balanced coronary irrigation when dissecting 20 specimens of Ozotoceros bezoarticus.…”

Section: Discussionmentioning

confidence: 98%

Angioarchitecture of the coronary arteries in Mazama gouazoubira (G. Fischer, 1814)

Zaniboni

Souza

Samora

et al. 2021

AVB

View full text Add to dashboard Cite

Mazama gouazoubira is a widely distributed deer in the South American continent. However, studies on its anatomical characteristics are still scarce. The objective of this study was to elucidate the coronary circulation of M. gouazoubira. With this aim, after collecting cadavers on highways, twenty-four hearts injected with latex and preserved in formaldehyde at 10% were dissected. The dissections revealed that all specimens presented left coronary dominance, characterized by the origin of the subsinuous interventricular branch from the circumflex branch of the left coronary artery. The number of ventricular branches originated from branches of the left coronary artery was approximately five times higher than that of the right coronary artery. The occurrence of myocardial bridges was registered in 91.7% of the individuals, with bridges predominating over the paraconal interventricular branch. The mean length of the paraconal interventricular sulcus was significantly higher in males (p = 0.02). The number of atrial branches and ventricular branches, length of myocardial bridges and length of subsinuous interventricular sulcus did not vary significantly between sex. Left coronary dominance and high frequency of myocardial bridges in M. gouazoubira are preponderant anatomical traits also present in different species of Ruminantia suborder. Coronary dominance studies in other South American deer species may confirm the correlation of this trait with the evolutionary history of these animals.

show abstract

Intramyocardial course of the coronary arteries in the marsh deer (Blastocerus dichotomus)

Cited by 5 publications

References 3 publications

Gross Anatomy of the Heart of Pampas Deer (Ozotoceros bezoarticus, Linnaeus 1758)

Gross Anatomy of the Heart of Pampas Deer (Ozotoceros bezoarticus, Linnaeus 1758)

Zavot Irkı Sığırlarda Koroner Arterler ve Kalp Kası Köprüleri

Angioarchitecture of the coronary arteries in Mazama gouazoubira (G. Fischer, 1814)

Contact Info

Product

Resources

About