lacuna


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Related to lacuna: lacuna vasorum

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.

la·cu·na

, pl.

la·cu·nae

(lă-kū'nă, -kū'nē),
1. A small space, cavity, or depression.
2. A gap or defect.
3. An abnormal space between strata or between the cellular elements of the epidermis.
4. Synonym(s): corneal space
[L. a pit, dim. of lacus, a hollow, a lake]

lacuna

(lə-kyo͞o′nə, -ko͞o′-)
n. pl. lacu·nae (-nē) or lacu·nas
Anatomy A cavity, space, or depression, especially in a bone, containing cartilage or bone cells.

la·cu′nal adj.
Histology A small, hollow chamber that houses an osteocyte in mature bone tissue or a chondrocyte in cartilage tissue
Medspeak A small pit, cavity, defect or gap

la·cu·na

, pl. lacunae (lă-kū'nă, -nē)
1. [TA] A small space, cavity, or depression.
2. A gap or defect.
3. An abnormal space between strata or between the cellular elements of the epidermis.
4. Synonym(s): corneal space.

lacuna

Any empty space, missing part, cavity or depression.

lacuna

a cavity or depression, for example, one of many small spaces between the lamellae of bones that is occupied by individual bone cells. Small canals (canaliculi) radiate from the lacunae and in these are small protoplasmic processes which connect with the osteoblasts in other lacunae. see HAVERSIAN CANAL.

la·cu·na

, pl. lacunae (lă-kū'nă, -nē)
1. [TA] Small space, cavity, or depression.
2. Gap or defect.
3. Abnormal space between strata or between the cellular elements of the epidermis.
References in periodicals archive ?
Lacuna said there were 'unauthorized moves' carried out by some people, particularly the committee on appropriations.
Those wishing to view the Lacuna Marketing Suite, can make an appointment by contacting the Sales Office direct on 029 2031 3013.
Lacuna, fondly called Gina, is a native of Rizal province.
Lacuna, an Olympian, ended his career in the pool with 35 gold medals.
The ACC acquisition accelerates Lacuna Health's efforts to become a national provider of CCM and other complementary centres for Medicare and Medicaid Services-sponsored programmes including transitional care management and remote patient monitoring.
He is also forced to sell his farm to Lacuna's cronies for peanuts and the wife is forced to work in the same farm to make ends meet.
He had already set up a task force, which was working round the clock to remove lacunas in the law, making it compatible with the ground realities in tribal areas.
Anthony Best, director of Lacuna Developments, said: "We are looking forward to working again with Belfast city council to make sure this exciting and ground-breaking scheme happens for the city."
Medindo os tempos de leitura para us nas duas frases, os tempos medios de leitura foram significativamente maiores para a primeira em relacao a segunda, indicando que quando ha um traco QU nao interpretado na sentenca o leitor espera uma lacuna e nao um sintagma nominal.
Episode 33 features Andrea Ferro and Cristina Scabbia of Lacuna Coil.
Developers aim to attach a four-storey, wedge-shaped home to the end of the Lacuna apartments development at Windsor Esplanade.
There are always exceptions, of course, like Italian goth metal legends Lacuna Coil.