| neck pad | <dentistry> A neckpad is a cloth covered cushion which you wear around your neck when you put on your face-bow. Generally, the breakaways are attached to the neckpad to provide force for the face-bow. (08 Jan 1998) |
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| sucking pad | An encapsuled mass of fat in the cheek on the outer side of the buccinator muscle, especially marked in the infant; supposed to strengthen and support the cheek during the act of sucking. Synonym: corpus adiposum buccae, Bichat's fat-pad, Bichat's protuberance, fat body of cheek, sucking cushion, sucking pad, suctorial pad. (05 Mar 2000) |
| dinner pad | A pad of moderate thickness placed over the pit of the stomach before the application of a plaster jacket; after the plaster has set the pad is removed, leaving space for varying degrees of abdominal distention. (05 Mar 2000) |
| Imlach's fat-pad | Fat surrounding the round ligament of the uterus in the inguinal canal. (05 Mar 2000) |
| infrapatellar fat-pad | The fatty mass that occupies the area between the patellar ligament and the infrapatellar synovial fold of the knee joint. Synonym: corpus adiposum infrapatellare, infrapatellar fat body. (05 Mar 2000) |
| ischiorectal fat-pad | The fat within the ischiorectal fossa. Synonym: corpus adiposum fossae ischiorectalis, fat body of ischiorectal fossa. (05 Mar 2000) |
| orbital fat-pad | The mass of fat contained in the orbit that contributes to the support of the eyeball. Synonym: corpus adiposum orbitae, fat body of orbit. (05 Mar 2000) |
| fat-pad | An accumulation of somewhat encapsulated adipose tissue. Synonym: corpus adiposum. (05 Mar 2000) |
| laparotomy pad | A pad made from several layers of gauze folded into a rectangular shape; used as a sponge, for packing off the viscera in abdominal operations, and in other ways. Synonym: abdominal pad. (05 Mar 2000) |
| alternating light test | Test to detect a relative afferent defect in one eye by watching pupillary movements. With the patient fixing in the distance, the light is held on each eye for about a second, and quickly moved to the other eye. Assuming no defect of the innervation to the iris sphincter in one eye (which would produce an anisocoria in light), the eye with the weaker light response has a relative afferent pupillary defect. This asymmetry of pupillomotor input can be estimated by holding neutral density filters in front of the better eye until the pupillary responses of the two eyes are balanced. Synonym: swinging light test. (05 Mar 2000) |
| Begg light wire differential force technique | An orthodontic appliance utilizing small gauge labial wires with expansion and contraction loops formed into it and attached to bands fitted to individual teeth; sometimes called Begg light wire differential force technique. (05 Mar 2000) |
| gene rearrangement, b-lymphocyte, light chain | Ordered rearrangement of b-lymphocyte variable gene regions coding for the kappa or lambda light chains, thereby contributing to antibody diversity. It occurs during the second stage of differentiation of the immature b-lymphocyte. (12 Dec 1998) |
| ray, light | <microscopy> The term applied to the lines perpendicular to the wavefronts of waves of light to indicate their direction of travel in an isotropic medium. Note the wave normal and the ray do not coincide in isotropic media. (05 Aug 1998) |
| reflected light | Light directed backward from a mirror. (05 Mar 2000) |
| refracted light | Bent rays of light changed in passage from one transparent medium to another of unequal density. See: refraction. (05 Mar 2000) |