what does scotoma mean
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- Definition of SCOTOMA. : a spot in the visual field in which vision is absent or deficient.ADVERTISEMENT.efinition of SCOTOMA. : a spot in the visual field in which vision is absent or deficient. ADVERTISEMENT.
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Frequently Asked Questions Morphea, also known as localized scleroderma, is a condition which causes hardening and discoloration of the skin. It is thought to be isolated to the skin without internal organ involvement as seen in systemic sclerosis (commonly known as scleroderma).
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What is a Sternotomy? The sternotomy is a surgical procedure that often precedes heart surgery, and gives direct access to the heart. It is an incision in the chest that begins at the top of the sternum, which is the bone right below the neck’s hollow, and that runs down the middle of the chest to the end of the sternum.here can be differences in the way a sternotomy is performed. A smaller or modified incision might be shorter in length and not progress the full way down the sternum. People can discuss with doctors what incision is most appropriate.
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- Scleroderma is a group of diseases that affect connective tissue in the body. This tissue supports your skin and internal organs. Scleroderma involves tissue that gets hard or thick. It can also cause swelling or pain in the muscles and joints. Some types of scleroderma lead to hard, tight skin.ocalized means the disease affects only certain parts of the body. Systemic means it can affect the whole body. 1  The localized type often affects only skin tissues. 2  It does not harm major organs. 3  It may get better or go away without help. 4  But it can be severe in some people and can leave skin damage.
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Systemic scleroderma Autoimmune disorders occur when the immune system malfunctions and attacks the body's own tissues and organs. The word scleroderma means hard skin in Greek, and the condition is characterized by the buildup of scar tissue (fibrosis) in the skin and other organs.n another type of systemic scleroderma, known as diffuse cutaneous systemic scleroderma, the fibrosis affects large areas of skin, including the torso and the upper arms and legs, and often involves internal organs.
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Scotoma However, a wide range of diseases and injuries can cause a pathological scotoma. For example, a scotoma can be a sign of optic nerve damage sustained during a stroke or brain injury. Previously considered untreatable, new research has led to exciting developments in treating scotoma. Types of Scotoma.
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tuberous sclerosis phacomatosis characterized by the formation of multisystemic hamartomas producing seizures, mental retardation, and angiofibromas of the face; the cerebral and retinal lesions are glial nodules; other skin lesions are hypopigmented macules, shagreen patches, and periungual fibromas; autosomal dominant inheritance with variable expression, caused by ...
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MADMAN BIOLOGY • METASTASIS (noun). The noun METASTASIS has 2 senses: 1. the spreading of a disease to another part of the body. 2. the organic processes (in a cell or organism) that are necessary for life. Familiarity information: METASTASIS used as a noun is rare. Dictionary entry details.
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DERMATITIS • DERMATITIS (noun). The noun DERMATITIS has 1 sense: 1. inflammation of the skin; skin becomes itchy and may develop blisters. Familiarity information: DERMATITIS used as a noun is very rare.ypernyms (dermatitis is a kind of...): eczema (generic term for inflammatory conditions of the skin; particularly with vesiculation in the acute stages). Hyponyms (each of the following is a kind of dermatitis): actinic dermatitis (dermatitis caused exposure to sunlight).
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Thymoma Thymoma is a tumor that originates from the epithelial cells of the thymus. The term thymomic neoplasms is used to refer to tumors of the thymus, which consist of thymomas and thymic carcinomas.
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- • GENRE (noun). The noun GENRE has 4 senses: 1. a kind of literary or artistic work. 2. a style of expressing yourself in writing. 3. an expressive style of music. 4. a class of art (or artistic endeavor) having a characteristic form or technique. Familiarity information: GENRE used as a noun is uncommon.
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Are Oranges Acidic or Alkaline? Instead, turn to pH charts to learn more about the acidity or alkalinity of a particular food. Based on pH, oranges are acidic. Depending on where the orange was grown, local climate patterns and how it was processed, just how acidic an orange is can vary.
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- Medical Definition of SCHEMA. 1. : a nonconscious adjustment of the brain to the afferent impulses indicative of bodily posture that is a prerequisite of appropriate bodily movement and of spatial perception. 2.
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- Erythema (from the Greek erythros, meaning red) is redness of the skin or mucous membranes, caused by hyperemia of superficial capillaries.It occurs with any skin injury, infection, or inflammation. Examples of erythema not associated with pathology include nervous blushes.rythema (from the Greek erythros, meaning red) is redness of the skin or mucous membranes, caused by hyperemia of superficial capillaries.
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Scotoma The main types of scotomas include: 1  Central scotoma: an area of decreased or lost vision that interferes with central vision (severely affects daily life) 2  Hemianopic scotoma: an area of decreased or lost vision toward the edge of the visual field (less likely to affect daily life)
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What does opacification of sinuses mean Sinus headache is a pain caused by sinuses obstruction due to chronic or acute inflammation. Mucus blocks sinuses entrance what gives headache. Such pain is usually located in the front of the head. Please consult laryngologist. What does sinus bradycardia mean. 2  What does opacification of sinuses mean. 3  What does sinus arrhythmia mean. 4  Treatment and cure for Papulosquamous disease.
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NOMA • NOMA (noun). The noun NOMA has 1 sense: 1. acute ulceration of the mucous membranes of the mouth or genitals; often seen in undernourished children. Familiarity information: NOMA used as a noun is very rare.Dictionary entry details.he noun NOMA has 1 sense: 1. acute ulceration of the mucous membranes of the mouth or genitals; often seen in undernourished children. Familiarity information: NOMA used as a noun is very rare. Dictionary entry details.
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Definitions &Translations Scotoma. A scotoma is an area of partial alteration in the field of vision consisting of a partially diminished or entirely degenerated visual acuity that is surrounded by a field of normal – or relatively well-preserved – vision.Every normal mammalian eye has a scotoma in its field of vision, usually termed its blind spot.iktionary (0.00 / 0 votes) Rate this definition: scotoma (Noun). an area of impaired or lost vision within a field of vision otherwise in a good (or at least healthy) state. Origin: From scotoma, from σκότωμα, from σκότος.
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Definitions &Translations Definitions for phakomatosis. Here are all the possible meanings and translations of the word phakomatosis. Wiktionary(0.00 / 0 votes)Rate this definition: phakomatosis(Noun) Any of a group of neurocutaneous disorders of the central nervous system causing lesions on the skin and eye.
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Ocular Migraines Scintillating scotoma symptoms include: 1  A blank spot in the visual field. 2  Flickering, shimmering white or colored lights in the periphery of vision. 3  Zig zag lines in the visual field. 4  Blurred area of vision, mostly around the periphery, as though you are looking at heat waves rising off hot pavement.
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SCROFULA • SCROFULA (noun). The noun SCROFULA has 1 sense: 1. a form of tuberculosis characterized by swellings of the lymphatic glands. Familiarity information: SCROFULA used as a noun is very rare.
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Scintillating scotoma Scintillating scotoma is the most common visual aura preceding migraine and was first described by 19th-century physician Hubert Airy (1838–1903). It is often confused with ocular migraine, which originates in the eyeball or socket.any variations occur, but scintillating scotoma usually begins as a spot of flickering light near or in the center of the visual field, which prevents vision within the scotoma area.
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- derma, dermis. 1  cutis, skin, tegument - a natural protective body covering and site of the sense of touch; your skin is the largest organ of your body. 2  stratum - one of several parallel layers of material arranged one on top of another (such as a layer of tissue or cells in an organism or a layer of sedimentary rock)
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The Blind Spot The natural blind spot (scotoma) is due to lack of receptors (rods or cones) where the optic nerve and blood vessels leave the eye. There can also be artificial blind spots when something blocks light from reaching the photoreceptors, or when there is local adaptation of the retina as just after seeing a bright light. Blindness is absence of seeing.
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Multiple sclerosis: What you need to know Multiple sclerosis means scar tissue in multiple areas. The areas where there is no myelin or a lack of myelin are called plaques or lesions. As the lesions get worse, nerve fibers can break or become damaged.
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- Freebase(0.00 / 0 votes)Rate this definition: Glioma. A glioma is a type of tumor that starts in the brain or spine. It is called a glioma because it arises from glial cells. The most common site of gliomas is the brain. Gliomas make up ~30% of all brain and central nervous system tumors and 80% of all malignant brain tumors.