Histological Features of the Renal Arteries in Indian Goat (Capra hircus)

Padmasri, B.; Kumar, D. Pramod; Purushotham, G.; Raghavender, K.B.P.

doi:10.20546/ijcmas.2018.704.271

Cited by 1 publication

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“…According to Padmasri, Kumar, Purushotham and Raghavender, (), Khan et al () and Ross and Pawlina (), all the constituents of the tunica intima are observed to be undulated in cross section, which is due to the contraction of the smooth muscle fibres during artery processing (Sathapathy et al, ). This is in line with our result that revealed the wavy scalloped appearance of the internal elastic lamina.…”

Section: Discussionmentioning

confidence: 99%

Histological and ultrastructural studies on the coronary artery of adult domestic dog (Canis familiaris)

Kilany

Sayed

Salem

et al. 2019

Anat Histol Embryol

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The objective of this work was to study the histological structure of the dog's coronary artery by light and transmission electron microscope (TEM). The coronary artery consisted of three tunics: tunica intima, tunica media and tunica adventitia. The tunica intima consisted of endothelium rested directly on internal elastic lamina without the subendothelial connective tissue layer. The tunica media were composed of smooth muscle fibres interspersed with few elastic and collagen fibres. The tunica adventitia consisted of collagen and elastic fibres intermingled with fibroblast cells; it had vasa vasorum and nervi vasorum. Some histomorphometric measurements were performed and compared statistically. The ultrastructural study showed that the endothelial cells were communicated through complex junctions and characterised by filiform cytoplasmic processes passed through the opening of the underlying internal elastic membrane. The smooth muscle fibres of tunica media communicated with each other through cytoplasmic processes. The tunica adventitia showed minute non-myelinated nerve. This work revealed that the dog's coronary arteries are typical muscular arteries, which show little structural variations from that of other mammals. K E Y W O R D S coronary arteries, dog, histology, transmission electron microscope, tunica intima | 81 KILANY et AL.

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Section: Discussionmentioning

confidence: 99%