vascular lacuna

vascular space of retroinguinal compartment

[TA]

the medial compartment beneath the inguinal ligament, for the passage of the femoral vessels; it is separated from the muscular lacuna by the iliopectineal arch.

Synonym(s): lacuna vasorum retroinguinalis [TA], lacuna vasorum, vascular lacuna

vas·cu·lar la·cu·na

(vas'kyū-lăr lă-kū'nă)

The medial compartment beneath the inguinal ligament, for the passage of the femoral vessels; it is separated from the muscular lacuna by the iliopectineal arch.

lacuna

pl. lacunae [L.]

1. a small pit or hollow cavity.

2. a defect or gap, as in the field of vision (scotoma).

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absorption lacuna

a pit or groove in developing bone that is undergoing resorption; frequently found to contain osteoclasts.

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

the concave cavities which are formed by osteoclasts in the process of bone resorption.

osseous lacuna

bone lacuna (see above).

osteocytic lacuna

see bone lacuna (above).

urethral lacuna

numerous small depressions or pits in the mucous membrane of the urethra.

vascular lacuna

a breach in any membrane or other tissue which is navigated by blood vessels.