B

bone angle, distal phalanx

The angle between the dorsal surface and the solar margin of the distal phalanx (coffin bone). This is evaluated on a lateral radiograph.


D

distal

An anatomical directional term meaning further away from a point of reference. When refering to the horse it generally means further away from the trunk.

distal interphalangeal joint

distal phalanx

The most distal of the phalanges, located within the hoof capsule (hence the name 'coffin' bone). As it is in the horse's foot, the term pedal bone is also used interchangeably. A further term for the same bone is 'P3', relating to its position as the third phalanx.

The bone is irregularly shaped with a convexdorsal (parietal) surface, a concavesolar surface and an articular surface where it forms a joint with the middle phalanx (short pastern bone).

distal sesamoid impar ligament

The ligament between the navicular bone and the distal phalanx (coffin bone). In contrast to most ligaments which exist in pairs (one on the medial and one on the lateral side of the limb), there is only one of these ligaments in each limb, hence its common name 'impar' ligament

distal sesamoidean ligament

F

forelimb, distal

A section of the forelimb including the carpus, the metacarpus and the three phalanges.

H

hindlimb, distal

The section of hindlimb from the hock to the hoof.

 

L

lipping of the distal phalanx

A pathological feature of the apex of the distal phalanx (coffin bone) that is visible on the lateral radiograph. The apex of the distal phalanx show signs of excessive remodelling and develops a dorsal 'lip'. This type of remodelling is a typical feature of chroniclaminitis or a high grade club foot.

P

The branches of the distal phalanx (coffin bone) that extend towards the back and to which the ungular/ lateral cartilages are attached.

N

navicular bone

A small bone which is located palmar/plantar to the distal interphalangeal joint (coffin joint) and acts as a pulley for the deep digital flexor tendon.

S

solar surface, distal phalanx

The palmar/plantar (ground facing) surface of the distal phalanx (coffin bone, pedal bone).

N

D

P

D

F

H

L

S

D

L

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