释义 |
Definition of trochanter in English: trochanternoun trəˈkantəˌtroʊˈkæn(t)ər 1Anatomy Any of a number of bony protuberances by which muscles are attached to the upper part of the thigh bone. Example sentencesExamples - Most weight-bearing locations were represented, including residual limbs, ischial tuberosities, trochanters, sacrum, and feet.
- The trochanter serves as a site for muscle attachments.
- The thigh markers were carefully placed in line with the markers on the lateral condyles and greater trochanters.
- The piriformis originates from the anterior surface of the sacrum and inserts into the upper part of the greater trochanter, passing out of the pelvis through the greater sciatic notch.
- The hip trochanters were at about the level of the iliac crest.
2Entomology The small second segment of the leg of an insect, between the coxa and the femur. Example sentencesExamples - The legs of all insects are made up of the same basic parts - femur, trochanter, coxa, tibia and tarus, but they can differ considerably.
- Both types of arthropods employ two short basal segments, coxa and trochanter, although the trochanter and femur are fused in some insects.
- All coxae triangular, trochanter comprising a single podomere, legs similar, composed of seven podomcres.
Origin Early 17th century: from French, from Greek trokhantēr, from trekhein 'to run'. Definition of trochanter in US English: trochanternounˌtrōˈkan(t)ərˌtroʊˈkæn(t)ər 1Anatomy Any of two bony protuberances by which muscles are attached to the upper part of the thigh bone. Example sentencesExamples - The piriformis originates from the anterior surface of the sacrum and inserts into the upper part of the greater trochanter, passing out of the pelvis through the greater sciatic notch.
- The hip trochanters were at about the level of the iliac crest.
- The trochanter serves as a site for muscle attachments.
- Most weight-bearing locations were represented, including residual limbs, ischial tuberosities, trochanters, sacrum, and feet.
- The thigh markers were carefully placed in line with the markers on the lateral condyles and greater trochanters.
2Entomology The small second segment of the leg of an insect, between the coxa and the femur. Example sentencesExamples - Both types of arthropods employ two short basal segments, coxa and trochanter, although the trochanter and femur are fused in some insects.
- All coxae triangular, trochanter comprising a single podomere, legs similar, composed of seven podomcres.
- The legs of all insects are made up of the same basic parts - femur, trochanter, coxa, tibia and tarus, but they can differ considerably.
Origin Early 17th century: from French, from Greek trokhantēr, from trekhein ‘to run’. |