lamellae

lamella

(la-mel'a) plural.lamellae [L., a little plate] 1. A thin layer, sheet, or plate.2. A medicated disk of gelatin inserted under the lower eyelid and against the eyeball; used as a local application to the eye.

bone lamella

Plates of collagen fibers, 3 to 7 µm thick, found in secondary (mature, adult) bone and surrounded by cementing substance, the mineralized bone matrix. Some lamellae are parallel to each other. Other lamellae are aligned concentrically around a vascular canal — a structure known as a haversian system or osteon.

circumferential lamella

A layer of bone that underlies the periosteum, encircling the medullary cavity.

concentric lamella

One of the cylindrical plates of bone surrounding a haversian canal. Synonym: haversian l

enamel lamella

Microscopic cracks or calcification imperfections in the enamel surface of a tooth. They may be shallow or extend into the underlying dentin and occur as a developmental defect or a microfracture caused by temperature change or shearing forces.

ground lamella

Interstitial lamella.

haversian lamella

Concentric lamella.

interstitial lamella

The bone lamella filling the irregular spaces within the haversian system. Synonym: ground l.

medullary lamella

An osseous lamella surrounding and forming the wall of the marrow cavity of long bones.

periosteal lamella

The bone lamella next to and parallel with the periosteum, forming the external portion of bone.

triangular lamella

The small fibrous lamina between the choroid plexuses of the third ventricle of the brain.

vitreous lamella

Bruch's membrane.

单词	lamellae
释义	DictionarySeelamella lamellae lamella (la-mel'a) plural.lamellae [L., a little plate] 1. A thin layer, sheet, or plate.2. A medicated disk of gelatin inserted under the lower eyelid and against the eyeball; used as a local application to the eye. bone lamella Plates of collagen fibers, 3 to 7 µm thick, found in secondary (mature, adult) bone and surrounded by cementing substance, the mineralized bone matrix. Some lamellae are parallel to each other. Other lamellae are aligned concentrically around a vascular canal — a structure known as a haversian system or osteon. circumferential lamella A layer of bone that underlies the periosteum, encircling the medullary cavity. concentric lamella One of the cylindrical plates of bone surrounding a haversian canal. Synonym: haversian l enamel lamella Microscopic cracks or calcification imperfections in the enamel surface of a tooth. They may be shallow or extend into the underlying dentin and occur as a developmental defect or a microfracture caused by temperature change or shearing forces. ground lamella Interstitial lamella. haversian lamella Concentric lamella. interstitial lamella The bone lamella filling the irregular spaces within the haversian system. Synonym: ground l. medullary lamella An osseous lamella surrounding and forming the wall of the marrow cavity of long bones. periosteal lamella The bone lamella next to and parallel with the periosteum, forming the external portion of bone. triangular lamella The small fibrous lamina between the choroid plexuses of the third ventricle of the brain. vitreous lamella Bruch's membrane.
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