| tars | Viscous materials composed of complex, high-molecular-weight compounds derived from the distillation of petroleum or the destructive distillation of wood or coal. (12 Dec 1998) |
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| tarsadenitis | An obsolete term for inflammation of the tarsal borders of the eyelids and meibomian glands. Origin: tarsus + G. Aden, gland, + -itis, inflammation (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) |
| tarsal joints | The synovial joints which unite the tarsal bones. Synonym: articulationes intertarseae, intertarsal articulations, tarsal joints. (05 Mar 2000) |
| tarsal ligaments | The ligaments that interconnect the tarsal bones; they are grouped into three sets: dorsal tarsal ligaments, interosseous tarsal ligaments, and plantar tarsal ligaments, and are individually named according to their attachments. Synonym: ligamenta tarsi. (05 Mar 2000) |
| tarsal plates | See: superior tarsus, inferior tarsus. (05 Mar 2000) |
| tarsal tunnel syndrome | <syndrome> Compression of the posterior tibial nerve caused by thickening of the laciniate ligament or by gouty or arthritic deposits around the ankle joint leading to symptoms of pain or paresthesia over the sole of the foot. (12 Dec 1998) |