| buccal pit | A structural depression found on the buccal enamel of molars. (05 Mar 2000) |
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| gastric pit | One of the numerous small pits in the mucous membrane of the stomach that are the mouths of the gastric glands. Synonym: foveola gastrica. (05 Mar 2000) |
| Mantoux pit | Shallow 2-3 mm depressions of the palms and soles in basal cell nevus syndrome. (05 Mar 2000) |
| central pit | A depression in the centre of the macula retinae containing only cones and lacking blood vessels. Synonym: fovea centralis retinae, central pit. (05 Mar 2000) |
| coated pit | <biology> First stage in the formation of a coated vesicle. (18 Nov 1997) |
| pit | Region of the plant cell wall in which the secondary wall is interrupted, exposing the underlying primary cell wall. One or more plasmodesmata are usually present in the primary wall, communicating with the other half of a pit pair. May be simple or bordered, in the latter case, the secondary wall overarches the pit field. Do not confuse with coated pits. (18 Nov 1997) |
| pit and fissure caries | Caries initiated in the areas where developmental pits and fissures are located on the tooth surface. (05 Mar 2000) |
| pit and fissure sealants | Agents used to occlude dental enamel pits and fissures in the prevention of dental caries. (12 Dec 1998) |
| pit caries | A carious lesion, usually small, beginning in a pit on the labial, buccal, lingual, or occlusal surface of a tooth. (05 Mar 2000) |
| pit, ear | Tiny pit in front of the ear. Also preauricular pit. A minor anomaly of no great consequence in itself. More common in blacks than whites and in females than males. Can recur in families. The presence of 2 or more minor anomalies in a child increases the probability that the child has a major malformation. (12 Dec 1998) |
| pit of atlas for dens | A circular facet on the posterior (inner) surface of the anterior arch of the atlas which articulates with the dens of the axis. Synonym: fovea dentis atlantis, pit of atlas for dens. (05 Mar 2000) |
| pit of head of femur | A depression on the extremity of the head of the femur giving attachment to the ligamentum teres femoris. Synonym: fovea capitis ossis femoris, pit of head of femur. (05 Mar 2000) |
| pit of stomach | The slight depression in the midline just inferior to the xiphoid process of the sternum. Synonym: fossa epigastrica, pit of stomach, scrobiculus cordis. (05 Mar 2000) |
| costal pit of transverse process | A facet on the transverse process of a vertebra for articulation with the tubercle of a rib. Synonym: fovea costalis processus transversi, costal pit of transverse process. (05 Mar 2000) |
| postnatal pit of the newborn | It marks the site where the embryonic spinal cord attaches to the skin. Synonym: postnatal pit of the newborn. (05 Mar 2000) |