axial skeleton
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Related to axial skeleton: appendicular skeleton
skeleton
[skel´ĕ-ton]the hardened tissues forming the supporting framework of an animal body; see skeletal system.
axial skeleton (skeleton axia´le) the bones of the cranium, vertebral column, ribs, and sternum.
ax·i·al skel·e·ton
[TA]articulated bones of head, vertebral column, and thorax, that is, head and trunk, as opposed to the appendicular skeleton, the articulated bones of the upper and lower limbs.
Synonym(s): skeleton axiale [TA]
axial skeleton
n.
The bones constituting the head and trunk of a vertebrate body.
ax·i·al skel·e·ton
(ak'sē-ăl skel'ĕ-tŏn) [TA]Articulated bones of head and vertebral column, i.e., head and trunk, as opposed to the appendicular skeleton, the articulated bones of the upper and lower limbs.
[L. axis, + G. skeletos, skeleton]
skeleton
(skĕl′ĕt-ŏn) [Gr., a dried-up body])
SKELETON: anterior view of the axial (bone colored) and appendicular (blue colored) skeleton
The bony framework of the body consisting of 206 bones: 80 axial or trunk and 126 of the limbs (appendicular). This number does not include teeth or sesamoid bones other than the patella. See: illustration; table
appendicular skeleton
The bones that make up the shoulder girdle, upper extremities, pelvis, and lower extremities.
axial skeleton
Bones of the head and trunk.
cartilaginous skeleton
The part of the skeleton formed by cartilage; in the adult, the cartilage of the ribs and joints. Cartilage is more flexible and resistant to resorption due to pressure than bone.
| Axial (80 bones) | Appendicular (126 bones) | ||
|---|---|---|---|
| Head | Trunk | Upper Extremities | Lower Extremities |
| (29 bones) | (51 bones) | (64 bones) | (62 bones) |
| Cranial (8) Frontal—1 Parietal—2 Occipital—1 Temporal—2 Sphenoid—1 Ethmoid—1 Facial (14) Maxilla—2 Mandible—1 Zygoma—2 Lacrimal—2 Nasal—2 Turbinate—2 Vomer—1 Palatine—2 Hyoid (1) Auditory ossicles (6) Malleus—2 Incus—2 Stapes—2 | Vertebrae (26) Cervical—7 Thoracic—12 Lumbar—5 Sacrum—1 Coccyx—1 Ribs (24) True rib—14 False rib—6 Floating rib—4 Sternum (1) | Arms and shoulders (10) Clavicle—2 Scapula—2 Humerus—2 Radius—2 Ulna—2 Wrists (16) Scaphoid—2 Lunate—2 Triquetrum—2 Pisiform—2 Trapezium—2 Trapezoid—2 Capitate—2 Hamate—2 Hands (38) Metacarpal 10 Phalanx (finger bones)—28 | Legs and hips (10) Innominate or hip bone (fusion of the ilium, ischium, and pubis)—2 Femur—2 Tibia—2 Fibula—2 Patella (kneecap)—2 Ankles (14) Talus—2 Calcaneus (heel bone)—2 Navicular—2 Cuboid—2 Cuneiform, internal—2 Cuneiform, middle—2 Cuneiform, external—2 Feet (38) Metatarsal—10 Phalanx (toe bones)—28 |
axial skeleton
The skull and spine (vertebral column).axial skeleton
the part of the SKELETON containing the SKULL and VERTEBRAL COLUMN.ax·i·al skel·e·ton
(ak'sē-ăl skel'ĕ-tŏn) [TA]Articulated bones of head, vertebral column, and thorax, i.e., head and trunk, as opposed to the appendicular skeleton, articulated bones of the upper and lower limbs.