Dog · Set · Pelvic limb
The fabellae
Ossa sesamoidea musculi gastrocnemii
The pair of sesamoid bones in the heads of the gastrocnemius, behind the stifle. Small, constant, and the first thing a reader learns to recognise on a lateral radiograph of the knee.
- Region
- Pelvic limb
- Members
- 2
- Own page
- None
How they differ along the set
What changes from one end of the series to the other, which is most of what there is to know about any one of them.
- A pair of sesamoid bones lying in the heads of the gastrocnemius, behind the stifle.Miller 2020, p. 347
- One sits in the medial head of that muscle and one in the lateral head.Miller 2020, p. 347
- The articular surfaces of the femoral condyles run on, up and back, into a small articular surface for each of them.Miller 2020, p. 347
- The surface on the lateral condyle is the larger of the two.Miller 2020, p. 347
The members
In order along the set. Any one of them can be singled out in the model above, with the picker beneath it.
- Medial fabella (medial sesamoid of M. gastrocnemius)Os sesamoideum musculi gastrocnemiiCaudal to the medial femoral condyle, in the medial head of M. gastrocnemius
- Lateral fabella (lateral sesamoid of M. gastrocnemius)Os sesamoideum musculi gastrocnemiiCaudal to the lateral femoral condyle, in the lateral head of M. gastrocnemius
References
Where to read this set in full, and where everything above was read.
- Miller 2020Miller 2020, ch. 4 The Skeleton, Sesamoid Bones of the Stifle Joint, PDF p. 347-348
- König & Liebich 2020skeleton of the pelvic limb, p. 243-263
- Dyce 2017ch. 17 Hindlimb of the Dog and Cat, p. 481
- NAV 2017Osteologia