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单词 tarsal plate
释义

tarsal plate


tarsal plate

n. See tarsus.
EncyclopediaSeeTarsus

tarsal plate


plate

 [plāt] 1. a flat stratum or layer.2. dental plate; sometimes, by extension, incorrectly used to designate a complete denture.3. a flat vessel, usually a petri dish, containing sterile solid medium for the culture of microorganisms.4. to prepare a culture medium in a petri dish, or to inoculate such a medium with a bacterial culture.axial plate primitive streak.bite plate biteplate.cortical plate a layer of compact bone overlying the spongiosa of the alveolar process on the vestibular and oral aspects of the mandible and maxilla.deck plate roof plate.dental plate a plate of acrylic resin, metal, or other material that is fitted to the shape of the mouth, and serves for the support of artificial teeth.dorsal plate roof plate.end plate see end plate.epiphyseal plate the thin plate of cartilage between the epiphysis and the shaft of a long bone; it is the site of growth in length and is obliterated by epiphyseal closure.equatorial plate the collection of chromosomes at the equator of the spindle in mitosis.floor plate the unpaired ventral longitudinal zone of the tube" >neural tube; called also ventral plate.foot plate footplate.force plate force platform.medullary plate neural plate.muscle plate myotome (def. 2).neural plate a thickened band of ectoderm in the midbody region of the developing embryo, which develops into the tube" >neural tube; called also medullary plate.roof plate the unpaired dorsal longitudinal zone of the tube" >neural tube; called also dorsal plate and deck plate.tarsal plate tarsus (def. 2).ventral plate floor plate.

tarsal plate

n. See tarsus.

tarsus 

Thin flat plate of dense connective tissue, situated one in each eyelid, which gives it shape and firmness. Each tarsus extends from the orbital septum to the eyelid margin. The upper tarsal plate, shaped like the letter D placed on its side, is much larger than the lower. Its width is 11mm in the centre whereas the corresponding measurement in the lower tarsus, which is somewhat oblong in form, is 5mm. Each tarsus is about 29mm long and 1mm thick. Within each tarsus are the meibomian glands, approximately 25 in the upper and 20 in the lower. Syn. tarsal plate. See palpebral ligament; orbital septum.
ThesaurusSeetarsus
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