Arcuate arteries of the kidney Definition The term refers to the branches of the interlobar arteries of the kidney. These create arches over the pyramidal base.

Major calyx Definition It refers to a fusion of the minor calyxes in the body. It is a section of the kidney that is actually a division of the pelvis into 2-3 tubes that are divided into a number of minor calyces – usually 8-14.

Renal sinus Definition It refers to the main cavity of the kidney that is situated in the center of the organ.

What is Renal fascia? It refers to a protective covering around each kidney. It is also known by the names “Gerota’s fascia” and “Gerota’s capsule.” In Latin, it is referred to as “Fascia renalis.” Renal fascia Anatomy It is made up of connective tissue, a type of strong fibrous tissue that can be found all [...]

Medullary Ray Definition It is the center of the renal lobule (also known as cortical lobule) that comprises of a collection of straight distal and proximal tubules that direct from and towards the medulla as well as the collecting ducts. Medullary Ray Synonyms It is also known as Ferrein’s Pyramid. Medullary Ray Location It extends [...]

Renal Capsule Definition It refers to a thin membranous protective covering over the external surface of the left as well as the right kidney. Renal Capsule Location The capsule is found to surround the outer walls of the kidney. It is found to enter into the sinus, a hollow area of the kidney. It connects [...]

Renal papilla Definition It is the apex or highest point of each renal pyramid that projects into a calyx. In other words, it is any of the triangular tissue sections that constitute the medulla – the white fatty material of the kidneys. Renal papilla Location It is a part of the kidney. Renal papilla Appearance [...]

Renal lobe Definition It is a part of the kidney that comprises of a renal pyramid as well as a renal cortex on top of it. The structure can be viewed in humans without a microscope. It is difficult to find it out in animals without the aid of such an apparatus. This is due [...]

Orifice of ureter Definition It refers to any of the openings that allow passage of urine to the bladder from the ureter. It is known by various other names, such as: Mercier’s bar Orifice of ureter Ureterovesical orifice Ureteric ostium Ureteric orifice Ostium ureteris (Latin) Ostium de l’uretère (French) Orifice of ureter Location It is [...]