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Spinal Cord

The spinal cord is long, cylindrical rod present inside the neural canal of vertebral column. It is a part of central nervous system and controls reflex actions of the body.

1,619 Questions

What is conda equina?

Cauda equina syndrome is a serious medical condition that occurs when the bundle of nerve roots at the lower end of the spinal cord, known as the cauda equina, becomes compressed. This can lead to symptoms such as severe lower back pain, loss of sensation in the saddle area, urinary retention or incontinence, and weakness or numbness in the legs. Prompt diagnosis and treatment are critical, as delayed intervention can result in permanent nerve damage and loss of function. It is often caused by herniated discs, trauma, tumors, or spinal stenosis.

Where is the sensory information from that enters the spinal cord at the posterior horn?

Sensory information that enters the spinal cord at the posterior horn primarily comes from peripheral sensory receptors located in the skin, muscles, and joints. These receptors detect various stimuli, such as touch, temperature, pain, and proprioception. The sensory neurons transmit this information via their axons, which enter the spinal cord through the dorsal roots, synapsing in the posterior horn before relaying the signals to higher centers in the central nervous system.

What is the function of the hypothalamus spinal cord relative to the ANS?

The hypothalamus acts as a crucial control center for the autonomic nervous system (ANS), regulating various physiological functions such as temperature, hunger, and stress responses. It integrates sensory information and coordinates both the sympathetic and parasympathetic branches of the ANS to maintain homeostasis. The spinal cord, in turn, serves as a conduit for autonomic signals, transmitting information between the hypothalamus and peripheral organs to execute the hypothalamus's regulatory commands. Together, they ensure that the body responds appropriately to internal and external changes.

What does disk spurring on a MRI of spine mean?

Disk spurring on an MRI of the spine refers to the formation of bone spurs (osteophytes) that develop around the intervertebral discs, often as a result of degeneration or wear and tear. This condition can indicate underlying issues such as disc degeneration or arthritis in the spine. These spurs may contribute to nerve compression or spinal stenosis, potentially leading to pain or neurological symptoms. Treatment options vary depending on the severity and symptoms, ranging from physical therapy to surgical intervention.

What is unibical cord?

A unibical cord, also known as a single umbilical artery, is a condition where a fetus has only one umbilical artery instead of the usual two. This anomaly can occur in about 1% of pregnancies and is often associated with other congenital abnormalities. While many babies with a unibical cord can be born healthy, it may require closer monitoring during pregnancy to assess any potential complications.

What is a chalazae cord?

Chalazae cords are twisted, rope-like structures found in the egg of birds, including chickens. They are made of protein and serve to anchor the yolk in the center of the egg white (albumen), helping to maintain the yolk's position and protect it during movement. Each egg typically contains two chalazae, one at each end of the yolk. These structures are important for the proper development of the embryo if the egg is fertilized.

What b complex vitamin has been shown to help prevent damage to the brain and spinal cord of unborn babies?

Folic acid, a B complex vitamin, has been shown to help prevent damage to the brain and spinal cord of unborn babies. It is crucial for proper neural tube development during early pregnancy, significantly reducing the risk of neural tube defects. Health organizations recommend that women of childbearing age take folic acid supplements to ensure adequate levels before and during pregnancy.

Why would damage to the nerves or spinal cord effects muscles in the arms or legs which are not injured?

Damage to the nerves or spinal cord can disrupt the communication between the brain and the muscles, leading to weakness or paralysis in the arms or legs, even if those muscles are not directly injured. This occurs because motor commands from the brain travel through the spinal cord and peripheral nerves; when these pathways are compromised, the signals cannot effectively reach the muscles. Additionally, damage can lead to altered reflexes and muscle atrophy due to disuse, further affecting functionality.

Does a roster have a backbone?

A roster does not have a backbone in the biological sense, as it is not a living organism. However, in a metaphorical sense, a roster can be seen as having a "backbone" in terms of its foundational elements—such as key players or core values—that support the overall structure and success of a team or organization. These essential components provide stability and direction, much like a backbone does for a living being.

Can you die from Cauda Equina Syndrome?

Cauda Equina Syndrome (CES) itself is not typically fatal, but it is a medical emergency that can lead to serious complications if not treated promptly. The syndrome involves compression of the cauda equina nerves, which can result in severe pain, loss of bladder and bowel control, and potential paralysis. If left untreated, the associated complications, such as permanent nerve damage, can significantly impact quality of life. Prompt surgical intervention is crucial to prevent irreversible damage.

How power cords work?

Power cords function by transmitting electrical energy from a power source to an electric device. They consist of conductive wires, usually made of copper, insulated with non-conductive materials to prevent short circuits and ensure safety. The cord's plug connects to an outlet, allowing electricity to flow through the wires and power the device. Various types of power cords are designed for specific voltages and applications to ensure compatibility and safety.

What do 31 pairs of nerves extend from?

Thirty-one pairs of nerves extend from the spinal cord. These nerves are part of the peripheral nervous system and include 8 cervical, 12 thoracic, 5 lumbar, 5 sacral, and 1 coccygeal pair. They are responsible for transmitting signals between the spinal cord and various parts of the body, facilitating motor, sensory, and autonomic functions.

What is the normal diameter of the spinal canal?

The normal diameter of the spinal canal varies by region but generally ranges from about 13 to 15 millimeters in the cervical spine, 15 to 25 millimeters in the thoracic spine, and about 25 to 30 millimeters in the lumbar spine. A diameter of less than 10 millimeters in any region may indicate spinal stenosis, which can lead to neurological symptoms. Variations can occur based on individual anatomy and age.

How could a spinal cord injury leave you unable to move your legs or arms?

A spinal cord injury can disrupt the communication between the brain and the body by damaging the nerve pathways that transmit signals to and from the limbs. When the injury occurs at a certain level of the spinal cord, it can result in paralysis or weakness in the corresponding areas of the body—this condition is known as paraplegia (affecting the legs) or quadriplegia (affecting all four limbs). The extent of the impairment depends on the location and severity of the injury, with higher injuries typically leading to more extensive loss of function.

What does abnormal cord signal mean?

Abnormal cord signal refers to atypical findings in the spinal cord observed on imaging studies, such as MRI. It can indicate various conditions, including inflammation, demyelination, tumors, or vascular issues. The presence of abnormal signals often prompts further investigation to determine the underlying cause and guide appropriate treatment.

What does dorsal unroofing mean after a spinal fusion?

Dorsal unroofing after a spinal fusion refers to the surgical procedure in which the bony structures overlying the spinal canal, typically the lamina, are removed to alleviate pressure on the spinal cord or nerve roots. This approach is often utilized to address complications such as stenosis or persistent pain following fusion surgery. By "unroofing" the dorsal aspect of the spine, surgeons aim to enhance the space available for neural structures and facilitate better outcomes for the patient.

What contains sensory neuron axons that conduct impulses from the periphery into the spinal cord?

The dorsal roots of spinal nerves contain sensory neuron axons that conduct impulses from the periphery into the spinal cord. These axons transmit sensory information, such as touch, pain, and temperature, from the body's tissues to the central nervous system for processing. Each dorsal root contains the cell bodies of sensory neurons, which are located in the dorsal root ganglia.

What causes a bloody spinal tap in infants?

A bloody spinal tap in infants can be caused by several factors, including traumatic tap due to the needle causing bleeding in the surrounding tissues, or underlying conditions such as bleeding disorders, infections, or structural abnormalities in the spine. In some cases, it may also indicate the presence of a serious condition, such as meningitis or a hemorrhage. Close evaluation by a healthcare professional is necessary to determine the exact cause and ensure appropriate management.

What impact does chronic pain have on the spinal cord?

Chronic pain can significantly alter the way the spinal cord processes and transmits nerve signals. Persistent pain leads to heightened sensitivity in the spinal cord’s neural pathways, a condition called central sensitization, which can amplify pain perception even without additional injury. Over time, this may disrupt normal communication between the brain and body, affecting movement, posture, and daily function. In some cases, advanced interventions like neuromodulation therapy are used to regulate abnormal nerve activity and reduce pain signals. Neuromodulation therapy can help restore better nerve function and improve quality of life. For expert evaluation, Dr. Sachin Mittal, a Pain Physician, is recognized as the best pain Dr in Delhi NCR and also known as the Best doctor for neuromodulation therapy in Vasundhara. At Advance Pain Care Clinic, patients receive comprehensive assessment and care plans tailored to their needs. Chronic pain should never be ignored—Consult to doctor for timely management and improved outcomes.

Is sound created by vocal cords vibrating to the throat and surface of mouth?

Yes, sound is created by the vocal cords vibrating as air passes through them. This vibration produces sound waves, which are then modified by the shape and movement of the throat, mouth, and tongue, contributing to the articulation of different sounds and speech. The combination of these factors allows for a wide range of vocal sounds.

What helps you stand up tall and protect the spinal column?

To stand tall and protect the spinal column, maintaining good posture is essential, which involves keeping the shoulders back, aligning the head over the spine, and engaging the core muscles. Regular exercise, particularly strength training for the back and abdominal muscles, enhances spinal support. Additionally, ergonomic adjustments in daily activities, such as sitting and lifting properly, play a crucial role in spinal health. Staying mindful of body mechanics helps prevent strain and injury.

Why do you put Cord around the waist for body measurement?

Cord is used to measure around the waist because it provides a flexible and accurate way to gauge body dimensions. It can conform to the body's natural shape, ensuring that measurements are taken at the correct points, such as the narrowest part of the waist. Using a cord allows for easy adjustments and repositioning, making it a practical tool for tailoring and fitting clothing. Additionally, it helps in visualizing the fit and style of garments before making permanent alterations.

Describe the functional anatomy of the spinal cord using these terms white and gray matter roots spinal nerves and tracts?

The spinal cord consists of both gray and white matter, where gray matter forms an H-shaped structure at the center, containing neuronal cell bodies, while white matter surrounds it, consisting of myelinated axons organized into tracts. The spinal cord is segmented into regions corresponding to spinal nerves that emerge from it via dorsal and ventral roots; the dorsal roots carry sensory information, and the ventral roots transmit motor signals. Spinal nerves, formed by the fusion of these roots, exit the vertebral column to innervate various body regions. The tracts within the white matter are responsible for ascending sensory and descending motor pathways, facilitating communication between the brain and the rest of the body.

What does it mean when an MRI says c6-c7 small central focal annular disc bulge is seen effacing the anterior csf space resulting in mild central ventral cord indentation and can this cause headaches?

A small central focal annular disc bulge at the C6-C7 level indicates that the intervertebral disc is protruding slightly into the spinal canal, which is pressing on the anterior cerebrospinal fluid (CSF) space and causing mild indentation of the central ventral part of the spinal cord. This condition can lead to nerve compression, potentially causing neck pain, numbness, or weakness in the arms. While headaches are not the most common symptom of a disc bulge, they can occur if the bulge affects nerve pathways or causes muscle tension in the neck. It’s essential to consult a healthcare professional for a tailored assessment and management plan.

Can Cauda Equina affect your bowel?

Yes, Cauda Equina Syndrome can affect bowel function. This condition occurs when the nerve roots at the lower end of the spinal cord are compressed, potentially leading to loss of bowel control, constipation, or incontinence. Symptoms may include difficulty in passing stool or a loss of sensation in the rectal area. Prompt medical attention is critical to prevent permanent damage.