efferent arterioles造句

• The vascular pole is where the afferent and efferent arterioles communicate with the glomerulus.
• Unlike most other capillary beds, the glomerulus drains into an efferent arteriole rather than a venule.
• Additionally, vasopressin selectively contracts efferent arterioles probably through the V 1 R, but not the afferent arteriole.
• The diameter of efferent arterioles is smaller than that of afferent arterioles, increasing the hydrostatic pressure in the glomerulus.
• On the other hand, the vasa recta are formed by efferent arterioles exiting the glomeruli of mammalia-type nephrons.
• Otherwise, it exits the glomerulus through the efferent arteriole and continues circulation as discussed below and as shown on the picture.
• From each glomerulus, the corresponding efferent arteriole arises and then exits the capsule near the point where the afferent arteriole enters.
• In hypertension only the afferent arteriole is affected, while in diabetes mellitus, both the afferent and efferent arteriole are affected.
• The juxtaglomerular cells in the afferent arteriole constrict, and juxtaglomerular cells in both the afferent and efferent arteriole decrease their renin secretion.
• Here, blood from the portal veins and the efferent arterioles are mixed and travel out of the kidneys through the efferent veins.
• At these elevated levels, angiotensin II also constricts the afferent arteriole into the glomerulus in addition to the efferent arteriole it normally constricts.
• Distally, efferent arterioles branch out to form dense plexuses ( i . e ., capillary beds ) around their adjacent renal tubules.
• The peritubular blood supply is composed of efferent arterioles leaving the glomeruli of reptilian-type nephrons that drain into sinuses of the cortex.
• The macula densa does not regulate the dilation of the efferent arterioles and afferent arterioles do not dilate in response to increases in filtrate osmolarity.
• Catecholamines ( Norepinephrine and Epinephrine ) increase the filtration fraction by vasoconstriction of afferent and efferent arterioles, which is possibly activated by alpha 1 adrenergic receptors.
• The hydrostatic pressure within the glomerular capillaries is determined by the pressure difference between the fluid entering immediately from the afferent arteriole and leaving through the efferent arteriole.
• Efferent arterioles of juxtamedullary nephrons, the 15 % of nephrons closest to the medulla, send straight capillary branches that deliver isotonic blood to the renal medulla.
• These vessels branch off the efferent arterioles of juxtamedullary nephrons ( those nephrons closest to the medulla ), enter the medulla, and surround the loop of Henle.
• It also results in the release of renin, which, through the renin-angiotensin system, causes constriction of the efferent arterioles, which ultimately increases hydrostatic pressure in the glomerulus.
• The remainder of the blood ( only approximately 1 / 5 of all plasma passing through the kidney is filtered through the glomerular wall into the Bowman's capsule ) passes into the efferent arteriole.