Sacrum caudal and thoracic vertebrae to form a single structure called the synsacrum. In the frog the ilium is elongated and forms a mobile joint with the sacrum that acts as an additional limb to give more power to its leaps. Sacrum The sacrum ( or ; plural: "sacra" or "sacrums"), in human anatomy, is a large, triangular bone at the base of the spine that forms by the fusing of sacral vertebrae S1S5 between 18 and 30years of age. The sacrum is situated at the upper, back part of the pelvic cavity, between the two wings of the pelvis. It
O sacrum convivium "O sacrum convivium" exists in Gregorian and Ambrosian chant forms. Some of the many composers who have set the text are as follows: «O Sacrum Convivium» (2018) Obra premiada en el VI Concurso Internacional Amadeus de Composición Coral. O sacrum convivium O sacrum convivium is a Latin prose text honoring the Blessed Sacrament. It was included as an antiphon to Magnificat in the vespers of the liturgical office on the feast of Corpus Christi. The text of the office is attributed with some probability to Saint Thomas Aquinas. Its sentiments express the profound affinity of the Eucharistic celebration, described as