Organs of the Circulation

Schummer, August; Wilkens, H.; Vollmerhaus, B.; Habermehl, K. H.

doi:10.1007/978-1-4899-7102-9_1

Cited by 3 publications

(2 citation statements)

References 148 publications

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“…Although its role is unknown, it is believed to support and protect the heart valves (James 1965;Frink et al 1974). Other animal species with cartilage (cartilage tissue) in their cardiac skeletons include horses, pigs, dogs, cats, mice, rats, snakes, white rhinos, and Syrian hamsters (Schummer et al 1981;Young 1994;Duran et al 2004;Schummer et al 2013;Balah et al 2014;Erdoğan et al 2014).…”

Section: Pluripotency -The Formation Of Other Types Of Cellsmentioning

confidence: 99%

Stem cells and cardiac arrhythmias

Yushkov¹,

Sarapultsev²

2022

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Recent discoveries in the physiology and pathology of myocardial progenitor cells have allowed researchers to better understand a variety of cardiac pathologies and look at the pathophysiology of arrhythmias from a different perspective. Since the myocardium is composed of a syncytium of electrically interconnected cells, the process of incorporation of newly formed or imported cells into its structure is particularly important. Progenitor cells are stimulated by spontaneous electrical activity, a lengthy action potential, and easily induced triggering activity. All these can lead to arrhythmias development via the three classical mechanisms (reentrancy, automatism, or triggering activity). Transplanted stem cells can influence the electrophysiological properties of cardiomyocytes, thus creating a proarrhythmic substrate. The islets of unbound cells can form an anatomical block, causing unidirectional blockages and recurrent arrhythmias. Similarly, stem cells are capable of establishing heterotopic excitation foci with cardiac stimulatory activity. Finally, the paracrine factors produced by stem cells can also cause proarrhythmic effects. The review examines the factors that influence the proarrhythmic properties of administered stem cells and the mechanisms of arrhythmia development. The results indicate that further research should be carried out to establish the possible impact of stem cells on the development of arrhythmias.

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Section: Pluripotency -The Formation Of Other Types Of Cellsmentioning

confidence: 99%

Stem cells and cardiac arrhythmias

Yushkov¹,

Sarapultsev²

2022

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“…Dorsal arteries of the feet (aa. digitales dorsales propriae III et IV), on the other hand, are less responsible for it [13] . Palmar and plantar digital arteries are separated from aa.…”

Section: Introductionmentioning

confidence: 98%

Erkek Hemşin Koyununda Glandula İnterdigitalis’in Morfolojik ve Morfometrik Yapısı ile Arterial Vaskularizasyonu

Gürbüz¹,

Demiraslan²,

Sarı³

et al. 2017

Kafkas Univ Vet Fak Derg

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Citation of This ArticleGürbüz İ, Demiraslan Y, Karadağ Sarı E, Aslan K: Morphologic and morphometric structure and arterial vascularization of glandula interdigitalis in male Hemshin sheep. Kafkas Univ Vet Fak Derg, 23 (2): 241-246, 2017. DOI: 10.9775/kvfd.2016 AbstractThe purpose of this study was to determine morphologic and morphometric structure and arterial vascularization of glandula interdigitalis in male Hemshin sheep. In the study, 40 feet (20 fore-feet, 20 hind-feet) were used as material. Latex was injected into arteries of fore-and hindfeet in order to determine vascularization of glandula interdigitalis. In the study, 6 measurements were taken from different points of glandula interdigitalis in order to determine its morphometric values. These values were statistically analyzed. Consequently, length of the gland was measured as 30.18±1.93 mm in fore-feet and 25.67±1.77 mm in hind-feet. The gland in fore-feet was determined to be considerably greater than the gland in hind-feet (P<0.05). It was found that the gland was vascularized by branches separated from arteriae digitales palmares communis II, III, and IV in fore-feet and arteria digitalis dorsalis communis III and arteriae digitales plantares propriae III and IV in hind-feet. Keywords: Arter, Interdigital gland, Morphology, Morphometry Erkek Hemşin Koyununda Glandula İnterdigitalis'in Morfolojik ve Morfometrik Yapısı ile Arterial Vaskularizasyonu ÖzetAraştırmada erkek Hemşin koyununda glandula interdigitalis'in morfolojik ve morfometrik yapısı ile arterial vaskularizasyonunun belirlenmesi amaçlandı. Materyal olarak 40 adet (20 ön, 20 arka) ayak kullanıldı. Çalışmada glandula interdigitalis'in vaskularizasyonunun belirlenmesi amacıyla ön ve arka ayak arterleri içerisine latex enjekte edildi. Glandula interdigitalis'in morfometrik değerlerini belirlemek için farklı noktalarından 6 adet ölçü alındı. Bu değerler istatistiksel analize tabi tutuldu. Sonuç olarak bezin uzunluğu ön ayakta 30.18±1.93 mm, arka ayakta 25.67±1.77 mm olarak ölçüldü. Ön ayaktaki bezin arka ayaktakine göre önemli oranda büyük olduğu tespit edildi (P<0.05). Bezin ön ayakta arteriae digitales palmares communis II, III ve IV' ten ayrılan dallar tarafından, arka ayakta ise arteria digitalis dorsalis communis III ve arteriae digitales plantares propriae III ve IV tarafından vaskularize edildiği saptandı.

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