Ossified meniscus and cyamo-fabella in some fossil sloths: A morpho-functional interpretation

Rodolfo Salas; François Pujos; Christian de Muizon

doi:10.1016/j.geobios.2003.11.009

Ossified meniscus and cyamo-fabella in some fossil sloths: A morpho-functional interpretation

Rodolfo Salas
, François Pujos
, Christian de Muizon

Museo de Historia Natural, Lima
Inst. Frances de Estudios Andinos, Contralmirante Montero 141
Univ Paris 06 - Muséum national d’Histoire naturelle

Producción científica: Contribución a una revista › Artículo › revisión exhaustiva

19 Citas (Scopus)

Resumen

An articulated skeleton of Thalassocnus natans (Xenarthra: Nothrotheriidae) and a review of some other fossil sloths provide new information on sesamoid bones located at the knee joint. A sesamoid bone and an ossified meniscus have been identified at this joint. The cyamo-fabella (posterior sesamoid of the tibio-femoral articulation) of T. natans may act like a pulley through which the tendon of the m. gastrocnemius would have passed. The ossified meniscus, which is also present in Megatheriidae and Mylodontidae, could be related to the pedolateral stance and a large rotation of the knee joint during locomotion.

Idioma original	Inglés
Páginas (desde-hasta)	389-394
Número de páginas	6
Publicación	Geobios
Volumen	38
N.º	3
DOI	https://doi.org/10.1016/j.geobios.2003.11.009
Estado	Publicada - 2005
Publicado de forma externa	Sí

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title = "Ossified meniscus and cyamo-fabella in some fossil sloths: A morpho-functional interpretation",

abstract = "An articulated skeleton of Thalassocnus natans (Xenarthra: Nothrotheriidae) and a review of some other fossil sloths provide new information on sesamoid bones located at the knee joint. A sesamoid bone and an ossified meniscus have been identified at this joint. The cyamo-fabella (posterior sesamoid of the tibio-femoral articulation) of T. natans may act like a pulley through which the tendon of the m. gastrocnemius would have passed. The ossified meniscus, which is also present in Megatheriidae and Mylodontidae, could be related to the pedolateral stance and a large rotation of the knee joint during locomotion.",

keywords = "Functional anatomy, Knee joint, Megatheriidae, Mylodontidae, Nothrotheriidae, Ossified meniscus, Sesamoid bones",

author = "Rodolfo Salas and Fran{\c c}ois Pujos and \{de Muizon\}, Christian",

year = "2005",

doi = "10.1016/j.geobios.2003.11.009",

language = "Ingl{\'e}s",

volume = "38",

pages = "389--394",

journal = "Geobios",

issn = "0016-6995",

number = "3",

}

TY - JOUR

T1 - Ossified meniscus and cyamo-fabella in some fossil sloths

T2 - A morpho-functional interpretation

AU - Salas, Rodolfo

AU - Pujos, François

AU - de Muizon, Christian

PY - 2005

Y1 - 2005

N2 - An articulated skeleton of Thalassocnus natans (Xenarthra: Nothrotheriidae) and a review of some other fossil sloths provide new information on sesamoid bones located at the knee joint. A sesamoid bone and an ossified meniscus have been identified at this joint. The cyamo-fabella (posterior sesamoid of the tibio-femoral articulation) of T. natans may act like a pulley through which the tendon of the m. gastrocnemius would have passed. The ossified meniscus, which is also present in Megatheriidae and Mylodontidae, could be related to the pedolateral stance and a large rotation of the knee joint during locomotion.

AB - An articulated skeleton of Thalassocnus natans (Xenarthra: Nothrotheriidae) and a review of some other fossil sloths provide new information on sesamoid bones located at the knee joint. A sesamoid bone and an ossified meniscus have been identified at this joint. The cyamo-fabella (posterior sesamoid of the tibio-femoral articulation) of T. natans may act like a pulley through which the tendon of the m. gastrocnemius would have passed. The ossified meniscus, which is also present in Megatheriidae and Mylodontidae, could be related to the pedolateral stance and a large rotation of the knee joint during locomotion.

KW - Functional anatomy

KW - Knee joint

KW - Megatheriidae

KW - Mylodontidae

KW - Nothrotheriidae

KW - Ossified meniscus

KW - Sesamoid bones

UR - https://www.scopus.com/pages/publications/20444455831

U2 - 10.1016/j.geobios.2003.11.009

DO - 10.1016/j.geobios.2003.11.009

M3 - Artículo

AN - SCOPUS:20444455831

SN - 0016-6995

VL - 38

SP - 389

EP - 394

JO - Geobios

JF - Geobios

IS - 3

ER -

Ossified meniscus and cyamo-fabella in some fossil sloths: A morpho-functional interpretation

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