Definition of synsacrum in English:
synsacrum
nounPlural synsacra, Plural synsacrumssɪnˈseɪkrəmsɪnˈsakrəmsinˈsakrəm
Zoology An elongated composite sacrum containing a number of fused vertebrae, present in birds and some extinct reptiles.
Example sentencesExamples
- We glued transmitters on the bird above the synsacrum, with the antenna oriented down the tail; we placed the harness around each leg, in a figure-8 shape.
- The posterior thoracic vertebrae, synsacrum, and hindlimb are pneumatized by diverticula of the abdominal air sacs.
- Between the notarium and synsacrum were several dorsal vertebrae that may have provided some level of dorsoventral mobility.
- In most birds, diverticula of the abdominal air sacs pneumatize the posterior thoracic vertebrae and synsacrum later in ontogeny.