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lamina

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centroid

centroid  

The point within an area or volume at which the centre of mass would be if the surface or body had a uniform density. For a symmetrical area or volume it coincides with the centre of mass. For a ...
density

density  

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The mass of a substance per unit of volume. In SI units it is measured in kg m−3. See also relative density; vapour density.
glucan

glucan  

A polysaccharide of glycosidically linked glucose units. The types of linkage in a glucan chain may be mixed or may all be the same. Examples include cellulose, callose, and starch.
Hymenophyllaceae

Hymenophyllaceae  

A family of filmy ferns with gradate sori on the frond margins, and thin, membranaceous fronds with the lamina only 1 cell thick. At present 33 genera and some 465 species are accepted. They are ...
laminotomy

laminotomy  

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n. the surgical creation of a window-like opening in the posterior arch of a vertebra by removing a small piece of lamina and adjacent ligamentum flavum.
leaf

leaf  

A flattened structure that develops from a superficial group of tissues, the leaf buttress, on the side of the stem apex. Each leaf has a lateral bud in its axil. Leaves are arranged in a definite ...
ligamentum flavum

ligamentum flavum  

A ligament that connects the laminae of two adjacent vertebrae. The ligamentum flavum has an unusually high elasticity and is in tension even when the trunk is in the anatomical position. This ...
midrib

midrib  

The central, thick, linear structure that runs along the length of a plant thallus or lamina. It occurs in true leaves as a vein running from the leaf base to the apex and in the leaf-like structures ...
mucosa

mucosa  

A mucous membrane, especially that forming the lining of the wall of the mammalian stomach and intestine. In these organs the mucosa includes an outer muscular layer, the muscularis mucosae, which ...
muscular dystrophy

muscular dystrophy  

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A group of mostly inherited disorders of neuromuscular function in which there is progressive loss of muscle power, usually associated with defects of muscle protein.
Osmunda

Osmunda  

(family Osmundaceae)A genus of large ferns with massive, erect rhizomes, and bi-pinnate leaves. The sporangia are borne mostly on the upper margins of specialized pinnules without lamina or ...
Perpendicular Axis Theorem

Perpendicular Axis Theorem  

The following theorem about moments of inertia of a lamina:TheoremSuppose that a rigid body is in the form of a lamina lying in the plane z=0. Let I 0x, I 0y and I 0z be the moments of inertia of the ...
phycobilisome

phycobilisome  

An organelle, occurring on the laminae of red algae and cyanobacteria, that contains the red pigment phycoerythrin and/or the blue pigment phycocyanin.
spondylolysis

spondylolysis  

n. a bony defect in a vertebra between the lamina and the transverse process, thought to be due to a stress fracture and common in gymnasts.
thymopoietin

thymopoietin  

A thymic hormone that induces differentiation of thymocytes, although the gene encodes a nuclear protein (454 aa) present in three alternatively spliced isoforms that associate with lamin A/C and are ...

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