cuboid

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cuboid

 [ku´boid]
resembling a cube; applied particularly to a bone of the foot. See anatomic Table of Bones in the Appendices.

cu·boid

, cuboidal (kyū'boyd, kū-boy'dăl), [TA]
1. Resembling a cube in shape.
2. Relating to the os cuboideum.
[G. kybos, cube, + eidos, resemblance]

cuboid

/cu·boid/ (kūb´oid)
1. resembling a cube.
2. cuboid bone.

cuboid

(kyo͞o′boid′)
adj.
Having the approximate shape of a cube.
n.
1. Anatomy A tarsal bone on the outer side of the foot in front of the calcaneus and behind the fourth and fifth metatarsal bones.
2. Mathematics A rectangular parallelepiped.

cu·boi′dal (kyo͞o-boid′l) adj.

cuboid

adjective Cuboidal.
 
noun Cuboid bone.

cu·boid

, cuboidal (kyū'boyd, -boy'dăl) [TA]
1. Resembling a cube.
2. Relating to the os cuboideum.
[G. kybos, cube, + eidos, resemblance]

cuboid

One of the bones of the foot. It lies on the outer side immediately in front of the large heel bone, the CALCANEUS, and behind the fourth and fifth metatarsal bones.

cuboid

tarsal bone, approximately cubic in shape, located at lateral aspect of midfoot; its distal facet articulates proximally with anterior facet of calcaneum (i.e. calcaneocuboid joint - part of midtarsal joint), its medial aspect with posterior two-thirds of lateral aspect of lateral cuneiform (i.e. cuneocuboid joint) and its anterior (distal) aspect with fourth and fifth metatarsal bases (i.e. cuboidometatarsal joint); its lateral inferior border is grooved to accommodate peroneus longus tendon (see Table 1)
Table 1: Ossification and epiphyses fusion dates
BonePrimary centreSecondary centreEpiphyseal fusion
Tibia (diaphysis)7th week
Tibia (upper epiphysis)At birth20th year
Tibia (lower epiphyses)2nd year18th year
Fibula (diaphysis)8th week
Fibula (upper epiphysis)4th year25th year
Fibula (lower epiphysis)2nd year20th year
Calcaneum (body)6th month
Calcaneal epiphysis6th-10th month12th-15th years
Talus7th month
CuboidAt birth
Lateral cuneiform1st year
Medial cuneiform3rd year
Intermediate cuneiform4th year
Navicular4th year
First metatarsal shaft8th-9th week
First metatarsal base3rd year17th-20th year
Lesser metatarsal shafts8th-9th week
Proximal phalanges; shafts12th-14th week
Proximal phalanges; bases3rd-6th years17th-18th years
Intermediate phalanges; shafts4th-9th month
Intermediate phalanges, bases; Distal phalanx hallux3rd-6th year17th-18th year
Distal phalanx; shafts8th week
Distal phalanx, bases6th year17th-18th year

cu·boid

, cuboidal (kyū'boyd, -boy'dăl) [TA]
1. Resembling a cube.
2. Relating to the os cuboideum.
[G. kybos, cube, + eidos, resemblance]

cuboid (kū´boid),

adj (cuboidal), resembling a cube in form.

cuboid

resembling a cube; applied particularly to bones.
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