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layer in Medical Dictionary

Abrasion

... abrasion , the doctor scrapes away the outermost layer of skin with a swirling wire brush. Cornea ... past derm abrasion (scraping off of the top layer of skin ) was used to improve the appearance of ... a tumor . Derm abrasion : Removal of the top layer of skin using a rotating ... ...

Basal cell carcinoma

... Basal cell carcinoma affects the skin 's basal layer and has the potential to grow progressively ... from abnormal growth of the cells in the lowest layer of the epidermis and is the most common type of ... part (or base) of the epidermis , the outer layer of the skin . basal cell nevus syndrome ......

Callus

... : 1. A localized firm thickening of the upper layer of skin as a result of repetitive friction. A ... Category: Pathology thickenings of the outer layer of skin where there is irritation or constant ... their points protruding into the dermis, or inner layer of skin . callus 1. Localized thickening of ...

Cartilage

... Laryngeal Edema , Laryngeal O edema ... A layer of smooth cartilage coats the bones' surfaces ... them grinding against one another. A tough layer of tissue surrounds the area, forming what is ... is a complex structure consisting of an outer layer that slides over the semirigid ...

Cerebrum

... parietal hernia ; parietal layer; parietal layer of lepto meninges ; parietal layer of serous pericardium ; parietal layer of tunica vagina lis; parietal lobe ; parietal ...

Choroid

... Choroid Definition: The choroid is the layer of blood vessels and connective tissue ... eye . Choroid itis: An inflammation of the layer of the eye behind the retina , either in its ... eye is a cancer ous tumor in the choroid layer of the eye , which is between the ...

Conjunctiva

... front covering of the eyeball. 1 ... It is a layer of mucin (or mucus). This very thin layer of mucus is produced by and coats the cells in ... the eye ). The mucus helps the overlying watery layer to spread evenly over the eye . These agents ...

Connective tissue

... of the arch are supported in part by a tough layer of connective tissue running from the balls of ... tissue disorders. beyond the innermost layer to the connective tissue and to nearby lymph node s; or to the muscle layer and nearby lymph node s; or beyond the muscle ...

Dermabrasion

... , the doctor scrapes away the outermost layer of skin with a swirling wire brush. ... resurfacing or dermabrasion , in which the outer layer of skin is rubbed away with a special rotating ... the past dermabrasion (scraping off of the top layer of skin ) was used to improve the appearance of ...

Epidermis

... Epidermis : The epidermis is the top layer of the skin . It is mostly made of flat cells. ... called basal cells. epidermis dermis fat layer Epidermis The epidermis is the thin outer layer of the skin , which consists of the following ...

Epithelium

... damage the vagina l epithelium and basal layer of the mucosa , leading to vagina l stenosis ... which are flat, scalelike cells in the outer layer of the skin (the epithelium ). Both arise ... Epithelial tumor s: These tumor s arise from a layer of cells that surrounds the outside of the ovary ...

Keratin

... a coated or hairy tongue (Figure 1.43). This layer consists of fully mature keratin ocytes which ... fibrous protein s ( keratin s). The outermost layer is continuously shed. The stratum corneum ... called keratin that comprises the outer layer of skin . The antipsoriatic Mahonia ...

Melanin

... in cells called melanocytes, either in the top layer of the skin ( epidermis ) or the outer layers of the skin 's second layer (dermis). Melanin gives color to the skin , ... the melanin -containing cells of the epidermal layer of the skin . Melanin is the pigment that ...

Membrane

... membrane ... membrane : A thin sheet or layer of tissue that lines a cavity or separates ... or nose. Residue ... MUCOUS MEMBRANE : Moist layer of tissue lining the digestive, respiratory , ... called the joint capsule, lined with a smoother layer called the synovium, encases the joint ...

Mole

... of melanocytes ( nevus cells) in the basal layer of the epidermis or in the top layers of the dermis, the second layer of skin . Mole s are usually present soon ... melanoma mole arises out of the deeper pigment layer of the skin . For this reason, it spreads more ...

Myelin

... Myelin Definition: Myelin is an insulating layer that forms around nerve s. It is made up of ... Neurofibromatosis type 2 (NF2) ... Myelin A layer of insulation that surrounds the nerve fiber s ... Patches of scar tissue that form where the layer of yelin covering the nerve fiber s is ...

Pericardium

... properly. parietal pericardium The outer layer of the pericardium , which is a thin sac of ... parietal hernia ; parietal layer; parietal layer of lepto meninges ; parietal layer of serous pericardium ; ... Images of your ...

Retina

... Definition: The retina is the light-sensitive layer of tissue at the back of the inner eye . It ... of the retina . The retina is the innermost layer of the eye , located at the back of the eye , ... s of the uvea . retina The innermost layer of the eyeball. The retina contains the ...

Sclera

... epirubicin; epi sclera ; ... The outer layer of the eyeball is a tough, white, opaque ... , a tiny hole is made in the sclera (the tough layer beneath the retina , also known as the white of ... the eye ). The choroid is a thin vascular layer between the sclera and the retina that ...

Skin

... involves measuring the skinfold thickness of the layer of fat just under the skin in several parts ... cells are located, and the thicker, underlying layer where sensory receptors, hair follicles, and ... made up of several layers, from a very thin outer layer of dead cells, to the very ...

Viscera

... s). Viscera l pericardium : The inner layer of the pericardium , a conical sac of fibrous ... are healthy, the pleura is separated by a thin layer of fluid. This lets the lungs expand and ... molecules that subdivide the mesodermal cell layer and determine the primordial cells of the heart ...

Burns

... hot objects or overexposure to the sun. These burns damage only the top layer of the skin , causing swelling , redness and pain . Following are ... to top) What To Think About ... In first -degree burns the outer layer of skin , called epidermis , becomes red, sensitive to the touch, and ...

Corns

... And Calluses Related Category: Pathology thickenings of the outer layer of skin where there is irritation or constant pressure. Corns are cone -shaped with their points protruding into the dermis, or inner layer of skin . Corns and calluses are often confused, but they're not ...

Corns and calluses

... Corns And Calluses Related Category: Pathology thickenings of the outer layer of skin where there is irritation or constant pressure. Corns are cone -shaped with their points protruding into the dermis, or inner layer of skin . Corns and calluses are often confused, but they're not the ...

Erosion

... Erosion Definition: Erosion is a breakdown of the outer layer of the skin , usually because of physical abrasion or inflammatory ... Definition Erosion is the eating away or wearing away of the surface layer of a tissue , usually because of physical abrasion or inflammatory ...

Eye

... a nearly spherical hollow globe filled with fluids (humors). The outer layer or tunic ( sclera , or white, and cornea ) is fibrous and protective. The middle tunic layer ( choroid , ciliary body and the iris ) is vascular . Eye ...

Farsightedness

... when light rays entering the eye do not focus exactly on the nerve layer ( retina ) at the back of the eye . This leads to blurred vision . ... of astigmatism (uneven curving of the cornea , which is the clear outer layer on the front of the eye ). ICL (implantable contact lens ) Refractive ...

First

... burns are more serious than first -degree burns because a deeper layer of skin is burned. They can become infected more easily. First Aid ... hot objects or overexposure to the sun. These burns damage only the top layer of the skin , causing swelling , redness and pain . Serving as ...

Hair

... for body parts removed by surgery . Hair is like the uppermost layer of the epidermis and has several protective roles. Head hair ... melanocyte cells are located, and the thicker, underlying layer where sensory receptors, hair follicles, and sweat glands are located ...

Lens

... that focuses light rays onto the retina . The retina is the nerve layer that lines the back of the eye , senses light and creates impulses that ... induction; electromagnetic lens ; ... It is a transparent layer that covers the colored part of the eye ( iris ), pupil , and lens . ...

Malignant melanoma

... Melanoma of the eye is a cancer ous tumor in the choroid layer of the eye , which is between the outer layer and the retina . Malignant melanoma is a serious type of skin ...

Meibomian gland

... of Zeis (oil glands in the eyelids). The main function of this lipid layer is to help decrease evaporation of the watery layer beneath it. CAUSES"A chalazion is the result of plugged meibomian ...

Nevus

... ( nevus ) is a small cluster of melanocytes ( nevus cells) in the basal layer of the epidermis or in the top layers of the dermis, the second layer of skin . Moles are usually present soon after birth and tend to ...

Pleura

... dyspnea due to recurrent malignant pleura l effusion . One layer of the pleura overlies each lung. The other layer lines the inner chest wall. paraphrasia; paraphysial; paraphysial body; ...

Pupil

... eye care professional to see more of your retina , the light-sensitive layer of tissue at the back of your eye . For pupil size inequality ... lentis; ectopia macula e; ectopia pupil lae ... It is a transparent layer that covers the colored part of the eye ( iris ), pupil , and lens . ...

Rhinoplasty

... the Nose The nose is a complex structure consisting of an outer layer that slides over the semirigid inner layer of cartilage and lining. The two layers work together in a delicate ...

Ringworm

... several forms of ringworm , a fungal infection that develops on the top layer of your skin . It's characterized by an itchy, red circle of rash with ... Ringworm is an infection caused by a fungus that grows on the outer layer of the skin , hair , or nails. Ringworm of the scalp occurs in ...

Smooth muscle

... states, such as fear or rage, the smooth muscle s of the subsurface layer (dermis) of skin tend to contract, causing the skin to pucker and body ... myometrium. The thick wall of smooth muscle cells that forms the middle layer of the uterus . nonsteroidal anti-inflammatory drugs (NSAIDs, ...

Uveitis

... Uveitis Inflammation of the uvea . The uvea is a continuous layer of tissue which consists of the iris , the ciliary body , and the ... leptospirosis. A person who has recurrent inflammation of the middle layer of the eye ( uveitis ). Recurrent genital ulcer ation, ...

Uvea

... Uvea Definition: The layer of the eye beneath the sclera . It consists of the iris , ciliary ... the eye . Inflammation of the uvea . The uvea is a continuous layer of tissue which consists of the iris , the ciliary body , and the ...
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