Category: S

A protuberance formed by many nuclei of the syntrophoblast and found on the surface of a chorionic villus.  

A double knot in which the cord is passed through the first loop twice.  

A double knot in which the ends of the second knot are in the same place as the ends of the first knot.  

Kidney with fibrous bands running across it, and caseating gummata, as a result of syphilis.  

A condition in which the kidney has been absorbed and only the distended capsule remains. The late phase of hydronephrosis.  

A triangular opacity in the deeper layers of the cornea, associated with scleritis.  

Keratin found in the epidermis of the skin as the flexible, tough stratum corneum in the form of flattened non-nucleated scales which slough continually.  

The point in the cervical canal at which the squamous and columnar epithelia meet. As most cervical cancers begin in this area, it is important to obtain cells from this location for the Pap test.  

The meeting point between the sclera and the cornea marked on the external surface of the eyeball by the outer scleral sulcus.  

Instructions regarding patients’ wishes from significant others, usually with respect to their preferences for life support, drug therapy, fluid infusions, or supplemental nutrition. Substituted judgments are relied upon when patients are unable to advocate for themselves, and are generally respected by health care workers, but their validity in representing the actual desires of patients has…