| crus posterius capsulae internae | That subdivision of the internal capsule caudal to the genu between the thalamus and lentiform nucleus. Synonym: crus posterius capsulae internae. (05 Mar 2000) |
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| 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) |