| extension bridge | A fixed partial bridge denture in which the pontic is retained only on one side by an abutment tooth. Synonym: extension bridge. (05 Mar 2000) |
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| fixed bridge | A restoration of one or more missing teeth which cannot be readily removed by the patient or dentist; it is permanently attached to natural teeth or roots which furnish the primary support to the appliance. Synonym: bridge. (05 Mar 2000) |
| medial tarsal artery | <anatomy, artery> One of two small branches of the dorsalis pedis; distribution, to inner margin of foot. Synonym: arteria tarsea medialis. (05 Mar 2000) |
| cyst, tarsal | Also called a chalazian or a Meibomian cyst, an inflammation of the oil gland of the eyelid. (12 Dec 1998) |
| superior tarsal muscle | <anatomy> A well defined layer of smooth muscle that extends from the aponeurosis of the musculus levator palpebrae superioris to the superior tarsus; it is innervated by sympathetic nerves and acts to hold the upper lid in an elevated position; its paralysis in Horner's syndrome result in ptosis. Synonym: musculus tarsalis superior, Muller's muscle. (05 Mar 2000) |
| inferior tarsal muscle | <anatomy> Poorly developed smooth muscle in the lower eyelid that acts to widen the palpebral fissure. Synonym: musculus tarsalis inferior. (05 Mar 2000) |
| tarsal | <anatomy> Of or pertaining to the tarsus (either of the foot or eye). A tarsal bone or cartilage; a tarsale. <medicine> Tarsal tetter, an eruptive disease of the edges of the eyelids; a kind of bleareye. <zoology> Same as Tercel. Source: Websters Dictionary (01 Mar 1998) |
| tarsal arch | See: arterial arch of lower eyelid, arterial arch of upper eyelid. (05 Mar 2000) |
| tarsal bones | The seven bones which form the tarsus - namely, calcaneus, talus, cuboid, navicular, and first, second and third cuneiforms. The tarsus is a skeletal part of the foot. (12 Dec 1998) |
| tarsal canal | tarsal sinus |
| tarsal cartilage | Incorrect term sometimes applied to the inferior tarsus and superior tarsus. See: tarsus. (05 Mar 2000) |
| tarsal coalition | <radiology> Abnormal fusion of one or more tarsal bones, aetiology: congenital, infection, trauma, articular disorders, surgery, age: 20-30's, symptoms: pain upon standing or with prolonged activity types:, calcaneonavicular most common, seen on 45 degree medial oblique view, talocalcaneal usually b/w talus and sustentaculum tali, talar beaking, talar broadening, narrowing of posterior subtalar joint, ball-and-socket ankle joint, talonavicular uncommon, calcaneocuboid very rare (12 Dec 1998) |
| tarsal cyst | Also called a Meibomian cyst or a chalazian. A tarsal cyst is an inflammation of the oil gland of the eyelid. (12 Dec 1998) |
| tarsal fold | The fold marking the attachment of the levator palpebrae superioris muscle into the skin of the upper eyelid. (05 Mar 2000) |
| tarsal glands | Sebaceous glands embedded in the tarsal plate of each eyelid, discharging at the edge of the lid near the posterior border. Their secretions create a lipid barrier along the margin of the eyelids which contains the normal secretions in the conjunctival sac by preventing the watery fluid from spilling over the barrier when the eye is open. Synonym: glandulae tarsales, meibomian glands, palpebral glands. (05 Mar 2000) |