Definition of tarsometatarsus in English:
tarsometatarsus
nounPlural tarsometatarsiˌtɑːsəʊmɛtəˈtɑːsəsˌtärsōˌmedəˈtärsəs
Zoology A long bone in the lower leg of birds and some reptiles, formed by fusion of tarsal and metatarsal structures.
Example sentencesExamples
- With accumulation of more fossil material, it may also be possible to assign other skeletal elements to the tarsometatarsi, which may provide additional clues on the phylogenetic position of these fossil songbirds.
- However, no significant covariation was observed between length of the tarsometatarsus, an index of skeletal body size, or intensity of T-cell-mediated immune response and sonographic features of begging calls.
- Increased robusticity of owl bones could be seen in the general shape of the tarsometatarsus and its articulation with the tibiotarsus and the phalanges.
- At present, the oldest reliable fossil from this family is a tarsometatarsus that was found in Colorado, dating back to the Paleocene epoch.
- Two bird tarsometatarsi, one from a green-backed heron and another a turkey, were also interred with the human remains at Brandon.
Derivatives
adjective
Zoology It is defined as a transverse plane deformity in Lisfranc's (tarsometatarsal) joints in which the metatarsals are deviated medially.
Example sentencesExamples
- Modifications of the tarsometatarsal joints point to habitual use of a kneeling posture in which the feet were supported on the dorsiflexed toes.
- The tarsometatarsal (Lisfranc's) joint is the most common site for arthropathy, with initial involvement usually occurring on the medial column of the foot.
- A rigid abnormality was caused by subluxation of the tarsometatarsal joint with subluxation of the metatarsals.