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This dog's stifle joint is labeled 12. The stifle joint (often simply stifle) is a complex joint in the hind limbs of quadruped mammals such as the sheep, horse or dog.It is the equivalent of the human knee and is often the largest synovial joint in the animal's body.
The lamina is a critical structure for hoof health, [1] therefore any injury to the hoof or its support system can in turn affect the coffin bone. [2] Despite the protection provided by the hoof, the coffin bone can be injured and fractured. [3]
A joint or articulation (or articular surface) is the connection made between bones, ossicles, or other hard structures in the body which link an animal's skeletal system into a functional whole. [1] [2] [3] They are constructed to allow for different degrees and types of movement.
A true endoskeleton is derived from mesodermal tissue. In three phyla of animals, Chordata, Echinodermata and Porifera (), endoskeletons of various complexity are found.An endoskeleton may function purely for structural support (as in the case of Porifera), but often also serves as an attachment site for muscles and a mechanism for transmitting muscular forces as in chordates and echinoderms ...
Cancellous bone or spongy bone, [12] [11] also known as trabecular bone, is the internal tissue of the skeletal bone and is an open cell porous network that follows the material properties of biofoams. [13] [14] Cancellous bone has a higher surface-area-to-volume ratio than cortical bone and it is less dense. This makes it weaker and more flexible.
Haemal arches of Nothronychus. A haemal arch, also known as a chevron, is a bony arch on the ventral side of a tail vertebra of a vertebrate.The canal formed by the space between the arch and the vertebral body is the haemal canal.
Skeletons of a human and an elephant. Comparative foot morphology involves comparing the form of distal limb structures of a variety of terrestrial vertebrates.Understanding the role that the foot plays for each type of organism must take account of the differences in body type, foot shape, arrangement of structures, loading conditions and other variables.
This is an accepted version of this page This is the latest accepted revision, reviewed on 18 January 2025. Extinct species of large cattle Not to be confused with Bos taurus, European bison, or Oryx. Aurochs Temporal range: Middle Pleistocene–Holocene Pre๊ ๊ O S D C P T J K Pg N ↓ Mounted skeleton of an aurochs bull at the National Museum of Denmark Conservation status Extinct (1627 ...