uncus
IPA: ʌnkɪs
noun
- (zoology) A hook or claw.
- (anatomy) Hence, any body part which is long, thin, and curved.
- (neuroanatomy) Specifically, the hooked end of the parahippocampal gyrus of the temporal lobe; also called the uncinate gyrus or uncus gyri parahippocampalis.
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Examples of "uncus" in Sentences
- Each tibia bears an uncus small hook on its distal end.
- It may also represent herniation of the uncus of the temporal lobe.
- The ends of the tibiae also bear an uncus small hook like extensions .
- The male genitalia have an uncus, but the gnathos is much reduced or absent.
- The parts sound comically ominous--the amygdala, the hippocampus, the uncus.
- Sense of smell is projected in uncus [ "uncus" means hook] and hippocampus which are also parts of temporal lobe on medial aspect.
- The rhinencephalon comprises the olfactory lobe, the uncus, the subcallosal and supracallosal gyri, the fascia dentata hippocampi, the septum pellucidum, the fornix, and the hippocampus.
- The Hippocampal Fissure (fissura hippocampi; dentate fissure) begins immediately behind the splenium of the corpus callosum, and runs forward between the hippocampal and dentate gyri to end in the uncus.
- Anteriorly it is continued into the notch of the uncus, where it forms a sharp bend and is then prolonged as a delicate band, the band of Giacomini, over the uncus, on the lateral surface of which it is lost.
- At I 313-16, Lucretius, discussing the invisible wearing away of substances, says 'stilicidi casus _lapidem_ cauat, uncus aratri/_ferreus_ occulte decrescit uomer in aruis,/strataque iam uolgi pedibus detrita uiarum/saxea conspicimus'.
- Here it lies along the concavity of the hippocampus, on the surface of which some of its fibers are spread out to form the alveus, while the remainder are continued as a narrow white band, the fimbria hippocampi, which is prolonged into the uncus of the hippocampal gyrus.
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