| hamular notch | The notch or fissure between the tuberosity of the maxilla and the hamulus of the pterygoid process of the sphenoid bone. Synonym: hamular notch. (05 Mar 2000) |
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| preoccipital notch | An indentation in the ventrolateral border of the temporal lobe of the cerebral hemisphere. Synonym: incisura preoccipitalis. (05 Mar 2000) |
| presternal notch | The V shaped notch at the top of the breastbone (sternum). (12 Dec 1998) |
| sacrosciatic notch | 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) |
| scapular notch | A notch on the superior border of the scapula through which the suprascapular nerve passes. Synonym: incisura scapulae, suprascapular notch. (05 Mar 2000) |
| pterygoid notch | The cleft between the medial and lateral laminae of the pterygoid process of the sphenoid bone into which the pyramidal process of the palatine bone is fitted. Synonym: incisura pterygoidea, fissura pterygoidea, pterygoid notch. (05 Mar 2000) |
| pterygomaxillary notch | The notch or fissure between the tuberosity of the maxilla and the hamulus of the pterygoid process of the sphenoid bone. Synonym: hamular notch. (05 Mar 2000) |
| semilunar notch | A wide, shallow notch on the anterior surface of the cerebellum occupied laterally by the superior cerebellar peduncles and the inferior quadrigeminal bodies medially. Synonym: anterior notch of cerebellum, incisura cerebelli anterior, semilunar notch. (05 Mar 2000) |
| Hutchinson's crescentic notch | The semilunar notch on the incisal edge of Hutchinson's teeth, encountered in congenital syphilis. (05 Mar 2000) |
| sigmoid notch | The deep notch between the condylar and coronoid processes of the mandible. Synonym: incisura mandibulae, sigmoid notch. (05 Mar 2000) |
| sphenopalatine notch | The deep notch between the orbital and sphenoidal processes of the palatine bone which is converted into the foramen of the same name by the undersurface of the sphenoid bone. Synonym: incisura sphenopalatina. (05 Mar 2000) |
| nasal notch | 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) |
| sternal notch | The V shaped notch at the top of the breastbone (sternum). (12 Dec 1998) |
| Notch | <molecular biology> A neurogenic gene of Drosophila. The normal function of Notch is required in ectodermal cells to prevent the cells from differentiating as neuroblasts. Gene product contains 36 repeats of the EGF like domain. (13 Nov 1997) |
| notch for round ligament of liver | 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) |