open access
The morphology of the afferent and efferent domain of the sheep glomerulus
, 1, 1
Affiliations- Department of Anatomy, Faculty of Medicine, Kırşehir Ahi Evran University, Kırşehir, Türkiye
open access
Abstract
Background: It is important to know the morphology of the glomerulus in order to explain kidney infiltration. The present study aims to research the morphology of afferent and efferent domains of sheep kidney glomeruli.
Materials and methods: In this study, 2000 glomeruli from 20 kidneys of Akkaraman sheep were examined using the polyester resin method.
Results: It was found that the glomeruli of sheep kidney usually had an afferent arteriole as well as an efferent arteriole. Besides, it was also found that five glomeruli had two efferent arterioles. It is known that the afferent domain constitutes the largest part of the glomerulus. In two of the glomeruli that we examined, the afferent domain formed the 1/2 of the glomeruli wherein the other two glomeruli afferent domain formed the 3/4.
Conclusions: It is known that there are many anastomoses between the afferent and efferent domain of capillaries. However, it is not well-explained how anastomosis is created between the afferent and efferent domains. In our study, it was identified that those anastomoses were not inside the lobes but between the surrounding capillaries.
Abstract
Background: It is important to know the morphology of the glomerulus in order to explain kidney infiltration. The present study aims to research the morphology of afferent and efferent domains of sheep kidney glomeruli.
Materials and methods: In this study, 2000 glomeruli from 20 kidneys of Akkaraman sheep were examined using the polyester resin method.
Results: It was found that the glomeruli of sheep kidney usually had an afferent arteriole as well as an efferent arteriole. Besides, it was also found that five glomeruli had two efferent arterioles. It is known that the afferent domain constitutes the largest part of the glomerulus. In two of the glomeruli that we examined, the afferent domain formed the 1/2 of the glomeruli wherein the other two glomeruli afferent domain formed the 3/4.
Conclusions: It is known that there are many anastomoses between the afferent and efferent domain of capillaries. However, it is not well-explained how anastomosis is created between the afferent and efferent domains. In our study, it was identified that those anastomoses were not inside the lobes but between the surrounding capillaries.
Keywords
morphology, sheep glomerulus, afferent arteriole, efferent arteriole
About this articleTitle
The morphology of the afferent and efferent domain of the sheep glomerulus
Journal
Issue
Article type
Original article
Pages
881-887
Published online
2020-10-12
Page views
6311
Article views/downloads
1275
DOI
Pubmed
Bibliographic record
Folia Morphol 2021;80(4):881-887.
Keywords
morphology
sheep glomerulus
afferent arteriole
efferent arteriole
Authors
K. Aycan
T. Ulcay
B. Kamaşak
References (23)- Anderson B, Anderson W, Seguin R. Renal microvasculature of the black bear (Ursus americanus). Cells Tissues Organs. 1988; 132(2): 124–131.
- Aycan K, Bilge A. Plastik enjeksiyon ve korrozyon metodu ile vasküler sistem anatomisinin Araştırılması. Erciyes Üniv Tıp Fak Dergisi. 1984; 6: 545–552.
- Bellomo G. A short history of 'glomerulus'. Clin Kidney J. 2013; 6(2): 250–251.
- Bohle A, Aeikens B, Eenboom A, et al. Human glomerular structure under normal conditions and in isolated glomerular disease. Kidney Int Suppl. 1998; 67: S186–S188.
- Brown JA. Renal microvasculature of the rainbow trout, Salmo gairdneri: scanning electron microscopy of corrosion casts of glomeruli. Anat Rec. 1985; 213(4): 505–513.
- Casellas D, Mimran A. Aglomerular pathways in intrarenal microvasculature of aged rats. Am J Anat. 1979; 156(2): 293–299.
- Casotti G, Braun EJ. Structure of the glomerular capillaries of the domestic chicken and desert quail. J Morphol. 1995; 224(1): 57–63.
- Elger M, Sakai T, Kriz W. The vascular pole of the renal glomerulus of rat. Adv Anat Embryol Cell Biol. 1998; 139: 1–98.
- Evan AP, Dail WG. Efferent arterioles in the cortex of the rat kidney. Anat Rec. 1977; 187(2): 135–145.
- Frank M, Kriz W. Scanning electron microscopy studies of the vascular pole of the rat glomerulus. Anat Rec. 1982; 204(2): 149–152.
- Kazimierczak J. A study of scanning (SEM) and transmission (TEM) electron microscopy of the glomerular capillaries in developing rat kidney. Cell Tissue Res. 1980; 212(2): 241–255.
- Kotyk T, Dey N, Ashour AS, et al. Measurement of glomerulus diameter and Bowman's space width of renal albino rats. Comput Methods Programs Biomed. 2016; 126: 143–153.
- Mills SE. Histology for patologists. Fourth edition. Wolters Kluwer/Liicott/Philadelpia, PA: Liincott Williams and Wilkins., Philadelphia-London 2012: 928–938.
- Murakami T. Double afferent arterioles of the rat renal glomerulus as studied by the injection replica scanning electron microscopic method. Arch Histol Jpn. 1976; 39(5): 327–332.
- Murakami T, Kikuta A, Akita S, et al. Multiple efferent arterioles of the human kidney glomerulus as observed by scanning electron microscopy of vascular casts. Arch Histol Jpn. 1985; 48(4): 443–447.
- Oguz O, Dere F, Yücel AH, et al. Examination of microvascular structures of midcortical region in sheep kidneys: a three dimensional approach. Acta Med Okayama. 1991; 45(2): 77–80.
- Oguz O, Dere F, Yücel AH, et al. Scanning electron microscopic (SEM) examination of structures which supply subcapsular and midcortical region postglomerular microcirculation in sheep kidney. Acta Morphol Hung. 1992; 40(1-4): 195–202.
- Rovenská E. Two types of capillaries in the rat renal glomerulus. Acta Anat (Basel). 1983; 115(1): 31–39.
- Siller WG, Hindle RM. The arterial blood supply to the kidney of the fowl. J Anat. 1969; 104(Pt 1): 117–135.
- Sternberg SS. Histology for pathologists. 2nd ed. Lippincott-Raven Publishers, Philadelphia 1997.
- Trueta J, Barclay AE, Daniel PM. Studies of the Renal Circulation. Blackwell Scientific Publications, Oxford 1947.
- Tsikaras PD, Hytiroglou PM, Lazos LM. The use of unsaturated polyester resin solutions in preparing casts of the renal vessels. Bull Assoc Anat (Nancy). 1985; 69(204): 71–78.
- Winkler D, Elger M, Sakai T, et al. Branching and confluence pattern of glomerular arterioles in the rat. Kidney Int Suppl. 1991; 32: S2–S8.
