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How would you describe the medulla?
The medulla oblongata or simply medulla is a long stem-like structure which makes up the lower part of the brainstem. It is anterior and partially inferior to the cerebellum. It is a cone-shaped neuronal mass responsible for autonomic (involuntary) functions, ranging from vomiting to sneezing.
What is the function of the medulla in the kidney?
The main function of the medulla is to regulate concentration of the urine. The urine flows from the collecting ducts into the renal calyces and pelvis, which undergoes unidirectional peristaltic movements to allow drainage of the urine into the downstream ureter and bladder.
What vital functions does the medulla control?
The medulla oblongata is responsible for regulating several basic functions of the autonomic nervous system, including respiration, cardiac function, vasodilation, and reflexes like vomiting, coughing, sneezing, and swallowing.
What is the name of the cone-shaped portion of the kidney medulla?
2) Medulla: Deep to the cortex is the darker renal medulla, which consists of cone-shaped masses called medullary pyramids/renal pyramids.
Which of the following are triangular or conical structures located in the renal medulla?
Cards
| Term what are the functions of the urinary system? | Definition Remove waste, regulate body chemicals, secrete hormones, maintain pH balance |
|---|---|
| Term Triangular or conical structures located in the renal medulla are call? | Definition Pyramid |
What does renal medulla look like?
The innermost tissue, called the renal medulla, forms comparatively dark cones, called renal pyramids, with bases outward and apexes projecting, either singly or in groups, into the renal sinus. Each projection of one or more pyramid apexes into the sinus is known as a renal papilla.
What does the medulla do?
The medulla oblongata is a structure in the brain that transfers nerve messages from the brain to the spinal cord. In addition to connecting sensory and motor messages, it is responsible for many vital involuntary functions including regulating blood pressure, adjusting your heart function, pacing your rate of breathing and coordinating swallowing.
What does renal Medula mean?
medulla os´sium bone marrow. renal medulla the inner part of the substance of the kidney, composed chiefly of collecting tubules, and organized into a group of structures called the renal pyramids. medulla spina´lis ( medulla spina´lis) spinal cord.
What is medulla hair?
Medulla (hair) The medulla is the innermost layer of the hair shaft. This nearly invisible layer is the most soft and fragile, and serves as the pith or marrow of the hair.