| mediastinal branches of internal thoracic artery | <anatomy, artery> Small twigs supplying anterior mediastinal structures: mainly thymus and lymph nodes. Synonym: rami mediastinales arteriae thoracicae internae, rami thymici, anterior mediastinal arteries, arteriae thymicae, thymic arteries. (05 Mar 2000) |
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| cerebral part of internal carotid artery | <anatomy, artery> The portion of the internal carotid artery that supplies the brain; its branches are: superior hypophyseal, clival, ophthalmic, anterior choroidal, anterior cerebral, and middle cerebral. Synonym: pars cerebralis arteriae carotidis internae. (05 Mar 2000) |
| Golgi internal reticulum | <cell biology> Intracellular stack of membrane bounded vesicles in which glycosylation and packaging of secreted proteins takes place. Part of the GERL complex. Synonym: Golgi body, Golgi vesicles, dictyosome (in plants), parabasal body (in flagellate protozoa). (11 Jan 1998) |
| cervical part of internal carotid artery | <anatomy, artery> The unbranched portion located in the neck. Synonym: pars cervicalis arteriae carotidis internae. (05 Mar 2000) |
| meningeal branch of internal carotid artery | <anatomy, artery> A branch from the cavernous part of the internal carotid artery to the meninges of the anterior cranial fossa. Synonym: ramus meningeus arteriae carotidis internae. (05 Mar 2000) |
| perforating arteries of internal mammary | <anatomy, artery> Small branches of the internal thoracic artery running between the costal cartilages to supply overlying skin and subcutaneous tissues. Synonym: ramus perforantes arteriae thoracicae internae, perforating arteries of internal mammary. (05 Mar 2000) |
| perforating branches of internal thoracic artery | <anatomy, artery> Small branches of the internal thoracic artery running between the costal cartilages to supply overlying skin and subcutaneous tissues. Synonym: ramus perforantes arteriae thoracicae internae, perforating arteries of internal mammary. (05 Mar 2000) |
| petrous part of internal carotid artery | <anatomy, artery> The part of the internal carotid artery in the carotid canal; its branches are carotidotympanic arteries and the artery of the pterygoid canal. Synonym: pars petrosa arteriae carotidis internae, petrous bone. (05 Mar 2000) |
| posterior scrotal branch of internal pudendal artery | <anatomy, artery> Branches of perineal artery supplying skin of posterior scrotal sac. Synonym: rami scrotales posteriores arteriae pudendae internae. (05 Mar 2000) |
| haemorrhoids, internal | Haemorrhoids that occur above the dentate line in the anal canal which separates two types of anal skin. The skin above the dentate line is not sensitive to pain. Internal haemorrhoids, being above the dentate line, are therefore usually painless. They can cause bleeding or they may push out of (prolapse) the anal opening when they become quite large. (07 Jan 1998) |
| sternal branches of internal thoracic artery | <anatomy, artery> Branches of internal thoracic artery which pass medially to supply the transversus thoracis muscle and posterior sternum. Synonym: rami sternales arteriae thoracicae internae, sternal arteries. (05 Mar 2000) |
| superior internal parietal artery | <anatomy, artery> The largest cortical branch of the pericallosal artery supplying the medial and superolateral surface of the parietal lobe posterior to the paracentral lobule; rarely does it extend to supply part of the occipital lobe. Synonym: arteria parieto-occipitalis, superior internal parietal artery. (05 Mar 2000) |
| inferior internal parietal artery | <anatomy, artery> The last cortical branch of the pericallosal artery; it supplies the inferior part of the precuneus. Synonym: arteria precunealis, inferior internal parietal artery. (05 Mar 2000) |
| internal | <anatomy> Situated or occurring within or on the inside, many anatomical structures formerly called internal are now correctly termed medial. Origin: L. Internus (18 Nov 1997) |
| internal acoustic foramen | The inner opening of the internal acoustic meatus on the posterior surface of the petrous part of the temporal bone. Synonym: porus acusticus internus, internal acoustic foramen, internal acoustic pore, auditory pore, internal auditory foramen, orifice of internal acoustic meatus. (05 Mar 2000) |