| RBC | red blood cell; red blood corpuscle; red blood count |
|---|---|
| RC | an electronic circuit containing a resistor and capacitor in series; radiocarpal; reaction center; r... |
| LB | lamellar body; large bowel; left breast; left bronchus; left bundle; left buttock; leiomyoblastoma; ... |
| LG | lactoglobulin; lamellar granule; laryngectomy; left gluteal; Lennox-Gastaut [syndrome]; leucylglycin... |
| LI | labeling index; lactose intolerance; lacunar infarct; lamellar ichthyosis; Langerhans islet; large i... |
| P.c. | Pacinian corpuscle |
|---|---|
| LB | Lamellar bodies |
| lb | Lamellar body |
| LI | Lamellar ichthyosis |
| LB's | lamellar bodies |
| ichthyosis, lamellar | A chronic, congenital ichthyosis inherited as an autosomal recessive trait. Infants are usually born encased in a collodion membrane which sheds within a few weeks. Scaling is generalised and marked with grayish-brown quadrilateral scales, adherent at their centres and free at the edges. In some cases, scales are so thick that they resemble armored plate. (12 Dec 1998) |
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| lamellar | 1. Arranged in thin plates or scales. Synonym: lamellate, lamellated. 2. Relating to lamellae. (05 Mar 2000) |
| lamellar bone | The normal type of adult mammalian bone, whether cancellous or compact, composed of parallel lamellae in the former and concentric lamellae in the latter; lamellar organization reflects a repeating pattern of collagen fibroarchitecture. (05 Mar 2000) |
| lamellar cataract | A cataract in which the opacity is limited to the cortex. Synonym: zonular cataract. (05 Mar 2000) |
| lamellar granule | A membrane-bound granule, 100 to 500 nm in diameter, located in the upper layers of the stratum spinosum of certain stratified squamous epithelia. Synonym: lamellar granule, membrane-coating granule, Odland body. (05 Mar 2000) |
| lamellar ichthyosis | A dry form of congenital ichthyosiform erythroderma, an autosomal recessive trait present at birth; characterised by large, coarse scales over most of the body with thickened palms and soles, and associated with ectropion; histologically, there is hyperkeratosis, a prominent granular layer in the epidermis, slight acanthosis, many mitotic figures, and normal or reduced epidermal cell turnover. See: collodion baby, harlequin foetus. (05 Mar 2000) |
| lamellar keratoplasty | Keratoplasty in which only the anterior layer of the cornea is used (not a tectonic keratoplasty). Synonym: lamellar keratoplasty, layered keratoplasty. (05 Mar 2000) |
| lamellar phase | <biochemistry> A lamellar organisation of phospholipids that are packed as a bilayer with hydrophobic acyl tails inwardly directed and polar head groups on the outside surfaces. It is this bilayer that forms the basis of membranes in cells, though in most cellular membranes a very substantial proportion of the area may be occupied by integral proteins. The triple layered appearance of membranes seen in electron microscopy is thought to arise because the osmium tetroxide binds to the polar regions leaving a central, unstained, hydrophobic region. (31 Dec 1997) |
| amniotic corpuscle | One of a number of small ovoid or rounded, sometimes laminated, bodies resembling a grain of starch and found in nervous tissue, in the prostate, and in pulmonary alveoli; of little pathological significance, and apparently derived from degenerated cells or proteinaceous secretions. Synonym: amniotic corpuscle, amylaceous corpuscle, amyloid corpuscle, colloid corpuscle. (05 Mar 2000) |
| amyloid corpuscle | One of a number of small ovoid or rounded, sometimes laminated, bodies resembling a grain of starch and found in nervous tissue, in the prostate, and in pulmonary alveoli; of little pathological significance, and apparently derived from degenerated cells or proteinaceous secretions. Synonym: amniotic corpuscle, amylaceous corpuscle, amyloid corpuscle, colloid corpuscle. (05 Mar 2000) |
| axis corpuscle | Axile corpuscle, the central portion of a tactile corpuscle. (05 Mar 2000) |
| basal corpuscle | <cell biology> Structure found at the base of eukaryotic cilia and flagella consisting of a continuation of the nine outer sets of axonemal microtubules but with the addition of a C tubule to form a triplet (like the centriole). May be self replicating and serves as a nucleating centre for axonemal assembly. Anchored in the cytoplasm by rootlets. Synonymous with kinetosome. (18 Nov 1997) |
| Bizzozero's corpuscle | <haematology> A discoid cell (3m diameter) found in large numbers in blood, important for blood coagulation and for haemostasis by repairing breaches (small breaks) in the walls of blood vessels. Platelet _ granules contain lysosomal enzymes, dense granules contain ADP (a potent platelet aggregating factor) and serotonin (a vasoactive amine). They also release platelet-derived growth factor which presumably contributes to later repair processes by stimulating fibroblast proliferation. Synonym: thrombocytes. (09 Oct 1997) |
| blood corpuscle | <haematology> There are three main types of cell in the blood stream. The red cell, which carries oxygen, the white cell, which fights infections and the platelet, which helps prevent bleeding. The correct balance between each cell type must be maintained for the body to remain healthy. (13 Nov 1997) |
| bone corpuscle | <pathology> Osteoblast that is embedded in bony tissue and which is relatively inactive. (18 Nov 1997) |
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