What is the gross anatomy of kidney?
The urinary system of the human body consists of two kidneys, two ureters, the bladder and a single urethra. The kidneys are located on the posterior wall of the abdomen at waist level. Each kidney is roughly 10 cm long and 5 cm wide, and is encased in a fibrous outer capsule called the renal capsule.
What anatomical section are the kidneys in?
retroperitoneal
The kidneys are paired retroperitoneal structures that are normally located between the transverse processes of T12-L3 vertebrae, with the left kidney typically somewhat more superior in position than the right. The upper poles are normally oriented more medially and posteriorly than the lower poles.
What is meant by gross anatomy?
Gross anatomy involves the study of major body structures by dissection and observation and in its narrowest sense is concerned only with the human body.
Why do they call it gross anatomy?
Gross anatomy, also called topographical anatomy, is the study of anatomy at the macroscopic level. The term gross distinguishes it from other areas of anatomical study, including histology, which is the microscopic study of anatomy typically with a microscope.
What is another word for gross anatomy?
macroscopic anatomy; gross anatomy.
What are the three types of anatomy?
Gross anatomy is subdivided into surface anatomy (the external body), regional anatomy (specific regions of the body), and systemic anatomy (specific organ systems).
Which kidney is higher in the body?
left kidney
Each kidney is about four or five inches long, shaped somewhat like a bean. The left kidney sits a bit higher in the body because of the size of the liver, which is also on the right side. Muscles in your back and your ribcage protect your kidneys from both the front and the back sides of your body.
What is medulla in kidney?
Abstract. The mature renal medulla, the inner part of the kidney, consists of the medullary collecting ducts, loops of Henle, vasa recta and the interstitium. The unique spatial arrangement of these components is essential for the regulation of urine concentration and other specialized kidney functions.
Where is the medulla on the kidney?
The renal medulla is the innermost part of the kidney. The renal medulla is split up into a number of sections, known as the renal pyramids.
What are the 3 regions that make up a kidney?
The Kidneys Are Composed of Three Main Sections Each kidney consists of an outer renal cortex, an inner renal medulla, and a renal pelvis.
Where is inferior pole of kidney?
Just like the right kidney, the highest part of the superior pole of the left is also covered with the left suprarenal glandF….Left kidney anterior surface.
| Left suprarenal gland | Upper one half of superior pole |
|---|---|
| Jejunum | Medial part of inferior half of anterior surface |
Where are renal pyramids?
renal medulla
Renal pyramids are kidney tissues that are shaped like cones. Another term for renal pyramids is malpighian pyramids. Between seven and eighteen pyramids exist in the innermost part of the kidney, which is called the renal medulla; in humans, there are usually only seven of the pyramids.
Where are the kidneys located in the body?
The kidneys lie on either side of the spine in the retroperitoneal space between the parietal peritoneum and the posterior abdominal wall, well protected by muscle, fat, and ribs. They are roughly the size of your fist, and the male kidney is typically a bit larger than the female kidney.
How big are the kidneys in the human body?
They are roughly the size of your fist, and the male kidney is typically a bit larger than the female kidney. The kidneys are well vascularized, receiving about 25 percent of the cardiac output at rest.
What is the structure of the renal system?
Together, all of these organs make up the renal system. 2 Each kidney is covered in a thick layer of connective tissue and fat that helps shape and protect the organ. 3 The kidneys are fed by renal veins, arteries, and nerves.
What is the external anatomy of the kidney?
External Anatomy. Kidneys The kidneys are slightly protected by the ribs and are surrounded by fat for protection (not shown). On the superior aspect of each kidney is the adrenal gland. The adrenal cortex directly influences renal function through the production of the hormone aldosterone to stimulate sodium reabsorption.