| hamular process of lacrimal bone | The hooklike lower end of the lacrimal crest, curving between the frontal process and orbital surface of the maxilla to form the upper aperture of the bony portion of the nasolacrimal canal. Synonym: hamulus lacrimalis, hamular process of lacrimal bone. (05 Mar 2000) |
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| hamular process of sphenoid bone | The inferior, hook-shaped extremity of the medial plate of the pterygoid process. Synonym: hamulus pterygoideus, hamular process of sphenoid bone. (05 Mar 2000) |
| head process | The primordium for the notochord. See: notochordal process. (05 Mar 2000) |
| primary process | In psychoanalysis, the mental process directly related to the functions of the primitive life forces associated with the id and characteristic of unconscious mental activity; marked by unorganised, illogical thinking and by the tendency to seek immediate discharge and gratification of instinctual demands. Compare: secondary process. (05 Mar 2000) |
| process | <chemistry> A change from one state to another. (09 Jan 1998) |
| process assessment | An evaluation procedure that focuses on how care is delivered, based on the premise that there are standards of performance for activities undertaken in delivering patient care, in which the specific actions taken, events occurring, and human interactions are compared with accepted standards. (12 Dec 1998) |
| process heat | Heat used in an industrial process rather than for space heating or other housekeeping purposes. (05 Dec 1998) |
| process schizophrenia | An obsolete term for those forms of severe schizophrenic disorders in which chronic and progressive biologic conditions in the brain are considered to be the primary cause and in which prognosis is poor as well, with insidious onset at a young age, as contrasted with reactive schizophrenia. (05 Mar 2000) |
| xiphoid process | <anatomy> Composed of cartilage at the inferior aspect of the sternal body. (27 Sep 1997) |
| secondary process | In psychoanalysis, the mental process directly related to the learned and acquired functions of the ego and characteristic of conscious and preconscious mental activities; marked by logical thinking and by the tendency to delay gratification by regulation of the discharge of instinctual demands. Compare: primary process. (05 Mar 2000) |
| pterygoid process | A long process extending downward from the junction of the body and great wing of the sphenoid bone on either side; it is formed of two plates (lateral and medial), united anteriorly but separated below to form the pterygoid notch; the pterygoid fossa is formed by the divergence of these two plates posteriorly. Synonym: processus pterygoideus, os pterygoideum. (05 Mar 2000) |
| pterygospinous process | A sharp projection from the posterior edge of the lateral pterygoid plate of the sphenoid bone. Synonym: processus pterygospinosus, Civinini's process. (05 Mar 2000) |
| sentinel spinous process fracture | Fracture of the spinous process with undetected deeper fracture's of the vertebral arch. (05 Mar 2000) |
| pyramidal process | The portion of the palatine bone passing lateral and posterior from the angle formed by the vertical and horizontal plates. Synonym: processus pyramidalis. (05 Mar 2000) |
| sheath of styloid process | A crest of bone (edge of the tympanic portion of the temporal bone) running from the front and medial side of the mastoid process to the spine of the sphenoid; it splits to ensheath the base of the styloid process. Synonym: vagina processus styloidei, vaginal process. (05 Mar 2000) |