cartilage lacuna

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lacuna

 [lah-ku´nah] (L.)
1. a small pit or hollow cavity.
2. a defect or gap, as in the field of vision (scotoma). adj., adj lacu´nar.
absorption lacuna resorption lacuna.
bone lacuna a small cavity within the bone matrix, containing an osteocyte, and from which slender canaliculi radiate and penetrate the adjacent lamellae to anastomose with the canaliculi of neighboring lacunae, thus forming a system of cavities interconnected by minute canals.
cartilage lacuna any of the small cavities within the cartilage matrix, containing a chondrocyte.
Howship's lacuna resorption lacuna.
intervillous lacuna one of the spaces of the placenta occupied by maternal blood, into which the fetal villi project.
osseous lacuna bone lacuna.
lacuna pharyn´gis a depression of the pharyngeal end of the eustachian tube.
resorption lacuna a pit or concavity found in bones undergoing resorption, frequently containing osteoclasts. Similar lacunae also may be found in eroding surfaces of cementum.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

car·ti·lage la·cu·na

a cavity within the matrix of cartilage, occupied by a chondrocyte.
Synonym(s): cartilage space
Farlex Partner Medical Dictionary © Farlex 2012

car·ti·lage la·cu·na

(kahr'ti-lăj lă-kū'nă)
A cavity within the matrix of cartilage, occupied by a chondrocyte.
Synonym(s): cartilage space.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
References in periodicals archive ?
Hematoxylin and eosin staining of the distal femur cartilage revealed a noticeable decrease in the number of chondrocytes, although the normal number of chondrocytes and cartilage space were observed in the deep layer section.
(5) Similarly, Rosenberg et al suggested that narrowing of the cartilage space to 2 mm or less is indicative of major degeneration.
Osteotomy involves cutting and repositioning the bone to correct misalignment of the joint and to re-create cartilage space. The goal is to reduce the stress placed on the weakest area of the joint and transfer the load to areas with more stable cartilage.

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