| ramus costalis lateralis arteriae thoracicae internae | Synonym: lateral costal branch of internal thoracic artery. (05 Mar 2000) |
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| ramus marginalis tentorii arteriae carotidis internae | <anatomy, artery> A small branch from the cavernous part of the internal carotid artery to the free margin of the tentorium. Synonym: ramus marginalis tentorii arteriae carotidis internae. (05 Mar 2000) |
| ramus meningeus arteriae carotidis internae | <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) |
| ramus perforantes arteriae thoracicae internae | <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) |
| venae cerebri internae | Paired veins passing caudally near the midline in the tela choroidea of the third ventricle, formed by the union of the choroid vein, thalamostriate (terminal) vein, and vein of septum pellucidum, and uniting caudally so as to form the great cerebral vein. Synonym: venae cerebri internae, veins of Galen. (05 Mar 2000) |
| pars cavernosa arteriae carotidis internae | <anatomy, artery> The tortuous portion of the internal carotid artery located within the cavernous sinus; it has numerous small branches. Synonym: pars cavernosa arteriae carotidis internae. (05 Mar 2000) |
| pars cerebralis arteriae carotidis internae | <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) |
| pars cervicalis arteriae carotidis internae | <anatomy, artery> The unbranched portion located in the neck. Synonym: pars cervicalis arteriae carotidis internae. (05 Mar 2000) |
| pars petrosa arteriae carotidis internae | <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) |
| fibrae arcuatae internae | <anatomy> Fibres that arise in the cuneate and gracile nuclei, pass in a curving course across the midline of the medulla oblongata, and form the contralateral medial lemniscus. It also designates other fibres such as those of the olivocerebellar tract that arch through the substance of the medulla and form sensory decussation. Synonym: fibrae arcuatae internae. (05 Mar 2000) |
| mediastinum anterius | Anterior mediastinum, the narrow region between the pericardium and the sternum containing the thymus or its remnants, some lymph nodes and vessels and branches of the internal thoracic artery. Synonym: mediastinum anterius. (05 Mar 2000) |
| cornu anterius | The anterior or frontal division of the lateral ventricle of the brain, extending forward from Monro's interventricular foramen. See: lateral ventricle. (05 Mar 2000) |
| corpus quadrigeminum anterius | The paired, larger, rounded anterior eminence of the laminae of mesencephalic tectum; major afferent connections of the superficial layers are the retina and striate cortex; input to deep layers of the colliculus are polymodal. Its efferent connections are with the lower brainstem and spinal cord (tectobulbar tract and tectospinal tract) and with the pulvinar and other cell groups in the caudal part of the thalamus; participates in extrageniculate visual pathway. Synonym: colliculus superior, anterior quadrigeminal body, corpus quadrigeminum anterius. (05 Mar 2000) |
| segmentum anterius | A delimited part or section of an organ or other structure which lies in front of or ventral to the other similar parts or sections. 1) segmentum anterius (hepar); the anterior segment of the right lobe of the liver. 2) segmentum anterius (pulmo dexter et sinister); [S 3]; the anterior segment of the superior lobe of the right and left lungs. 3) anterior segment of the eye; the intraocular segment of the eyeball occupied by the aqueous which lies in front of, and is separated from the vitreous-filled posterior segment by, the lens and zonule; it is subdivided by the iris into anterior and posterior chambers. Synonym: segmentum anterius. (05 Mar 2000) |
| segmentum anterius inferius | Anterior inferior segment of kidney. Synonym: segmentum anterius inferius. (05 Mar 2000) |