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Foramen
Foramen A natural opening. Although a foramen is usually through bone, it can be an opening through other types of tissue, as with the foramen ovale in the heart. The plural of foramen is foramina.
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Natural
Not human-induced or manmade.
Foramen
A natural opening. Although a foramen is usually through bone, it can be an opening through other types of tissue, as with the foramen ovale in the heart. The plural of foramen is foramina.
Bone
Bone refers either to a hardened connective tissue or to one of the individual structures, or organs, into which it is formed, found in many animals. Bones support body structures, protect internal organs, and (in conjunction with muscles) facilitate movement; are also involved with cell formation, calcium metabolism, and mineral storage. The bones of an animal are, collectively, known as the skeleton.
Tissue
Biological tissue is a group of cells that perform a similar function.The study of tissues is known as histology, or, in connection with disease, histopathology.The classical tools for studying the tissues are the wax block, the tissue stain, and the optical microscope, though developments in electron microscopy, immunofluorescence, and frozen sections have all added to the sum of knowledge in the last couple of decades.
Heart
The hollow, muscular organ responsible for pumping blood through the circulatory system.
Foramina
The plural of foramen, a natural opening. As in the foramina of Luschka.
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Foradil
Used in the treatment of asthma and in the prevention of bronchospasm.
Foramen magnum
The large hole at the base of the skull which allows passage of the spinal cord.
Foramen of Magendie
An opening from the fourth ventricle, which is one in a system of four communicating cavities called ventricles within the brain that are continuous with the central canal of the spinal cord.
Foramen Ovale
An opening between the atria of the heart that normally closes shortly after birth. An atrial septal defect may develop if the foramen ovale fails to close properly.
Foramen ovale
An oval opening between the two upper chambers of the heart (the atria) that is a normal feature of the fetal and neonatal (newborn) circulation. The foramen ovale normally closes on its own by 3 months of age.
Foramen, interventricular
An opening between the lateral and third ventricles in a system of four communicating cavities within the brain that are continuous with the central canal of the spinal cord.
Foramina
The plural of foramen, a natural opening. As in the foramina of Luschka.
Foramina of Luschka
Opening from the fourth ventricle, one in a system of four communicating cavities called ventricles within the brain that are continuous with the central canal of the spinal cord.
Forane
Forane is a prescription or over-the-counter drug which is (or once was) approved in the United States and possibly in other countries. Active ingredient(s): isoflurane.
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Foot type
The category into which a particular foot falls. Foot types are generally classified into one of three categories: pronator, neutral, or supinator. The pronator type of foot rolls far inward during the weight-bearing phase of the stride. This foot type is characterized by a very low or flat arch. Heavier people often have feet in this category. The supinator type of foot restricts the impact of the stride largely to the outer edges of the foot. This is often due to a very high, rigid arch. The neutral type of foot is between the pronator and supinator types. It is the most common foot type. Runners with a neutral type of foot lands on the heel and rolls forward during the gait cycle until the impact is distributed evenly across the forefoot.
Foot, athlete
A skin infection caused by a fungus called Trichophyton which can thrive and infect the upper layer of the skin when the feet (or other areas of the body) remain moist, warm, and irritated. The fungus can be found on floors and in socks and clothing and can be spread from person to person by contact with these objects. However, without proper growing conditions (a warm, moist environment), the fungus will not infect the skin.
Foot-and-mouth disease
A disease caused by a highly infectious virus that can infect people but affects them most by infecting livestock -- cattle, pigs, sheep and goats. The foot-and-mouth disease virus (FMDV) is in the same family of viruses as those causing the common cold.
Foot-drop
Dropping of the front of the foot due to weakness or paralysis of the anterior muscles of the lower leg. Foot-drop results in what is called a steppage gait in which the advancing foot is lifted high in order that the toes may clear the ground. Foot drop can be due to a number of conditions including injury to the muscles that dorsiflex the foot or to the nerves to those muscles, a neuropathy, multiple sclerosis, a stroke, drug toxicity, and diabetes. Treatment may include an ankle-foot orthosis.
Footling presentation
There are single-footling or double-footling presentations depending upon whether the presenting part of the baby at delivery is just one foot or both feet.
Foramen
Foramen magnum
The large hole at the base of the skull which allows passage of the spinal cord.
Foramen of Magendie
An opening from the fourth ventricle, which is one in a system of four communicating cavities called ventricles within the brain that are continuous with the central canal of the spinal cord.
Foramen ovale
An oval opening between the two upper chambers of the heart (the atria) that is a normal feature of the fetal and neonatal (newborn) circulation. The foramen ovale normally closes on its own by 3 months of age.
Foramen, interventricular
An opening between the lateral and third ventricles in a system of four communicating cavities within the brain that are continuous with the central canal of the spinal cord.
Foramina
The plural of foramen, a natural opening. As in the foramina of Luschka.
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