| incisura ethmoidalis | An oblong gap between the orbital parts of the frontal bone in which the ethmoid bone is lodged. Synonym: incisura ethmoidalis. (05 Mar 2000) |
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| incisura fibularis | A hollow on the lateral surface of the lower end of the tibia in which the fibula is lodged. Synonym: incisura fibularis. (05 Mar 2000) |
| incisura frontalis | A small notch, sometimes a foramen, on the orbital margin of the frontal bone medial to the supraorbital notch. Synonym: incisura frontalis. (05 Mar 2000) |
| incisura interarytenoidea | The indentation of posterior portion of the aditus laryngis between the two arytenoid cartilages. Synonym: incisura interarytenoidea. (05 Mar 2000) |
| incisura intertragica | The deep notch in the lower part of the auricle between the tragus and antitragus. Synonym: incisura intertragica, incisura tragica. (05 Mar 2000) |
| incisura ischiadica major | The deep indentation in the posterior border of the hip bone at the point of union of the ilium and ischium. Synonym: incisura ischiadica major, iliosciatic notch, sacrosciatic notch. (05 Mar 2000) |
| incisura ischiadica minor | The notch in the posterior border of the ischium below the ischial spine. Synonym: incisura ischiadica minor. (05 Mar 2000) |
| incisura jugularis ossis occipitalis | The notch in the occipital bone which forms one boundary of the jugular foramen. Synonym: incisura jugularis ossis occipitalis. (05 Mar 2000) |
| incisura jugularis ossis temporalis | The notch in the temporal bone which forms one boundary of the jugular foramen. Synonym: incisura jugularis ossis temporalis. (05 Mar 2000) |
| incisura jugularis sternalis | The V shaped notch at the top of the breastbone (sternum). (12 Dec 1998) |
| incisura lacrimalis | The notch on the frontal process of the maxilla into which the lacrimal bone fits. Synonym: incisura lacrimalis. (05 Mar 2000) |
| incisura ligamenti teretis hepatis | The notch in the inferior border of the liver that accommodates the round ligament. Synonym: incisura ligamenti teretis hepatis, incisura umbilicalis, umbilical notch. (05 Mar 2000) |
| incisura mandibulae | The deep notch between the condylar and coronoid processes of the mandible. Synonym: incisura mandibulae, sigmoid notch. (05 Mar 2000) |
| incisura mastoidea | The groove medial to the mastoid process of the temporal bone from which the digastric muscle originates. Synonym: incisura mastoidea, digastric groove, digastric notch, mastoid notch. (05 Mar 2000) |
| incisura nasalis | The notch in the medial border of the maxilla anteriorly which, with its fellow, forms most of the piriform opening of the nasal cavity. Synonym: incisura nasalis. (05 Mar 2000) |