| Subject | Spanish | English |
| med. | cavidad sigmoidea del radio | semilunar notch |
| med. | cavidad sigmoidea mayor | trochlear notch of U (incisura semilunaris ulnae) |
| med. | cavidad sigmoidea mayor | semilunar notch (incisura semilunaris ulnae) |
| med. | escotadura sigmoidea del maxilar inferior | sigmoid notch (incisura mandibulae) |
| med. | escotadura sigmoidea del maxilar inferior | mandibular notch (incisura mandibulae) |