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This human anatomy ClipArt gallery offers 825 illustrations of the human skeletal system, including images of both the axial skeleton and the appendicular skeleton. The human axial skeleton includes 80 bones formed by the vertebral column (spine), the thoracic cage (e.g., ribs, sternum), and the skull. The axial skeleton is responsible for the upright position of the body. The human appendicular skeleton is composed of 126 bones formed by the pectoral girdles, the upper and lower limbs, and the pelvic girdle. These bones function in locomotion as well as protection of vital organs.

A top down view of a human skull.

Adult skull

A top down view of a human skull.

The base of the skull. "The lower jaw has been removed. At the lower part of the figure is the hard palate forming the roof of the mouth and surrounded by the upper set of teeth. Above this are the paired opening of the posterior nares, and a short way above the middle of the figure is the large median foramen magnum, with the bony convexities (or occipital condyles) which articular with the atlas, on its sides. It will be seen that the part of the skull behind the occipital condyles is about equal in size to that in front of them; in an ape the portion in front of the occipital condyles would be much larger than that behind them." —Newell, 1900

Base of the Skull

The base of the skull. "The lower jaw has been removed. At the lower part of the figure is the hard…

Foramina (openings) at the base of the skull.

Base of the Skull

Foramina (openings) at the base of the skull.

The base of the skull. The lower jaw has been removed. At the lower part of the figure is the hard palate forming the roof of the mouth and surrounded by the upper set of teeth

Base of the Skull

The base of the skull. The lower jaw has been removed. At the lower part of the figure is the hard palate…

Base of skull.

Base of Skull

Base of skull.

Shown is norma basalis, which refers to the base of the cranium. Labels: 1, external occipital crest; 2, superior curved line of the occipital bone; 3, foramen magnum; 4, occipital condyle; 5, digastric groove; 6, mastoid process; 7, external auditory meatus; 8, styloid process; 9, glenoid fossa; 10, foramen spinosum; 11, sphenoidal spine; 12, foramen ovale; 13, external pterygoid plate; 14, hamular process of internal pterygoid plate; 15, nasal septum; 16, posterior nasal spine; 17, horizontal plate of palate bone; 18, palatal process of superior maxilla; 19, anterior palatine canal; 20, intermaxillary suture; 21, posterior palatine canal; 22, malar process of superior maxilla; 23, spheno-maxillary fissure; 24, zygomatic fossa; 25, zygomatic arch; 26, posterior openings of left nasal fossa; 27, pterygoid fossa; 28, scaphoid fossa; 29, foramen lacerum medium; 30, opening of osseous Eustachian canal; 31, carotid canal; 32, jugular fossa; 33, stylo-mastoid foramen; 34, jugular process of the occipital bone; 35, groove for occipital artery; 36, mastoid foramen; 37, posterior condylic foramen; 38, inferior curved line of occipital bone; 39, external occipital protuberance.

Base of the Skull

Shown is norma basalis, which refers to the base of the cranium. Labels: 1, external occipital crest;…

The bones of the skull.

The Bones of the Skull

The bones of the skull.

Shown is a coronal section passing inferiorly through interval between between the first and second molar teeth. Labels: 1, groove of superior longitudinal sinus; 2,crest for attachment of falx cerebri; 3, crista galli of ethmoid; 4, cristiform plate of ethmoid; 5, perpendicular plate of ethmoid, assisting in the formation of nasal septum; 6, lateral mass of ethmoid consisting of the ethmoidal cells; 7, os planum of ethmoid; 8, middle meatus of nose; 9, middle turbinated bone; 10, opening from the middle meatus; 11, orbital plate of superior maxilla; 12, frontomalar suture; 13, infraorbital groove; 14, antrum or maxillary sinus; 15, canal for anterior dental nerve and vessels exposed; 16, inferior meatus of nose; 17, alveolar process of the superior maxilla; 18, nasal surface of inferior turbinated bone; 19, groove for anterior palatine nerve and vessels; 20, palatal process of superior maxilla; 21, maxillary crest forming part of nasal septum; 22, vomer forming part of nasal septum.

Coronal Section of Skull

Shown is a coronal section passing inferiorly through interval between between the first and second…

Shown is norma frontalis, which refers to the front of the skull. Labels: 1, mental protuberance; 2, body of lower jaw; 3, ramus of lower jaw; 4, anterior nasal spine; 5, canine fossa; 6, infraorbital canal; 7, malar canal; 8 orbital surface of superior maxilla; 9, temporal fossa; 10, os planum of ethmoid; 11, sphenoidal fissure; 12, lachrymal bone and groove; 13, optic foramen; 14, orbital foramina; 15, temporal ridge; 16, supraorbital notch; 17, glabella; 18, frontal eminence; 19, superciliary ridge; 20, parietal bone; 21, front-nasal suture; 22, pterion; 23, great wing of sphenoid; 24, orbital surface of great wing of sphenoid; 25, squamous temporal; 26, left nasal bone; 27, malar bone; 28, sphenomaxillary fissure; 29, zygomatic arch; 30, anterior nasal aperture, displaying nasal septum and inferior and middle turbinated bones; 31, mastoid process; 32, incisor fossa; 33, angle of jaw; 34, mental foramen; 35, symphysis.

Front of the Skull

Shown is norma frontalis, which refers to the front of the skull. Labels: 1, mental protuberance; 2,…

A front view of a Hochelagan skull, surrounded by the outline, on a larger scale, of the Cromagnon skull.

Hochelagan Skull

A front view of a Hochelagan skull, surrounded by the outline, on a larger scale, of the Cromagnon skull.

The skull. Labels: a, nasal bone; b, superior maxillary; c, inferior maxillary; d, occipital; e, temporal; f, parietal; g, frontal bone.

Human Skull

The skull. Labels: a, nasal bone; b, superior maxillary; c, inferior maxillary; d, occipital; e, temporal;…

A side view of the human skull at birth.

Infant skull

A side view of the human skull at birth.

A top down view of the human skull at birth.

Infant skull

A top down view of the human skull at birth.

Lateral view of skull with zygomatic arch removed.

Lateral View of Skull

Lateral view of skull with zygomatic arch removed.

Shown is norma lateralis, which refers to the side of the skull. Labels: 1, mental foramen; 2, body of lower jaw; 3, superior maxillary; 4, ramus of lower jaw; 5, zygomatic arch; 6, styloid process; 7, external auditory meatus; 8, mastoid process; 9, asterion; 10, superior curved line of occipital bone; 11, external occipital protuberance; 12, lambdoid suture; 13, occipital bone; 14, lambda; 15, obelion placed between the two parietal foramina; 16, parietal bone; 17, lower temporal ridge; 18, upper temporal ridge; 19, squamous part of temporal bone; 20, bregma; 21, coronal suture; 22, stephanion; 23, frontal bone; 24, pterion; 25, temporal fossa; 26, great wing of sphenoid; 27, malar bone; 28, malar canal; 29, lachrymal bone; 30, nasal bone; 31, infraorbital canal; 32, anterior nasal aperture.

Side of the Skull

Shown is norma lateralis, which refers to the side of the skull. Labels: 1, mental foramen; 2, body…

A side view of the skull. Labels: O, occipital bone; T, temporal; Pr, parietal; F, frontal; S, sphenoid; Z, malar; Mx, maxilla; N, nasal; E, ethmoid; L, lachrymal; Md, inferior maxilla.

Side View of the Skull

A side view of the skull. Labels: O, occipital bone; T, temporal; Pr, parietal; F, frontal; S, sphenoid;…

Side view of a fetal skull. The coronal suture extends from the top of the head downwards on either side to the point E; the lambdoidal suture from the back forward, on either side to the point F. The sagittal suture is not shown, but is indicated by the upper margin of the illustration, beginning at the base of the nose, passing backward across the coronal suture (anterior fontanelle), and ending at the lambdoidal suture (posterior fontanelle).

Side View of Fetal Skull

Side view of a fetal skull. The coronal suture extends from the top of the head downwards on either…

A bone situated at the base of the skull in front of the temporals and basilar part of the occipital.

Sphenoid Bone

A bone situated at the base of the skull in front of the temporals and basilar part of the occipital.

A bone situated at the base of the skull in front of the temporals and basilar part of the occipital.

Sphenoid Bone

A bone situated at the base of the skull in front of the temporals and basilar part of the occipital.

The sphenoid bone of the skull, seen from in the front.

Sphenoid Bone

The sphenoid bone of the skull, seen from in the front.

The sphenoid bone of the skull, posterior surface.

The Sphenoid Bone

The sphenoid bone of the skull, posterior surface.

The sphenoid bone of the skull, anterior surface.

The Sphenoid Bone

The sphenoid bone of the skull, anterior surface.

The sphenoid bone, viewed from above.

Sphenoid Bone

The sphenoid bone, viewed from above.

Sphenoid bone, viewed from in front.

Sphenoid Bone

Sphenoid bone, viewed from in front.

Sphenoid bone at about birth, seen from before.

Sphenoid Bone at Birth from Before

Sphenoid bone at about birth, seen from before.

Sphenoid bone at about birth, seen from behind.

Sphenoid Bone at Birth from Behind

Sphenoid bone at about birth, seen from behind.

The sphenoid bone from above.

Sphenoid Bone from Above

The sphenoid bone from above.

The sphenoid bone from before.

Sphenoid Bone from Before

The sphenoid bone from before.

The sphenoid bone from behind.

Sphenoid Bone from Behind

The sphenoid bone from behind.

Sphenoid bone, situated the anterior part of the base of the skull, articulating with all the other cranial bones, which it binds firmly and solidly together. Labels: a, greater wing; b, lesser wing.

Sphenoid Bone of the Human Skull

Sphenoid bone, situated the anterior part of the base of the skull, articulating with all the other…

Portion of sphenoid bone, showing the foramen pterygospinosum.

Sphenoid Bone Showing Foramen Pterygospinosum

Portion of sphenoid bone, showing the foramen pterygospinosum.

Sphenoid bone, showing abnormal development of middle clinoid processes, especially on the left side.

Abnormal Sphenoid Bone

Sphenoid bone, showing abnormal development of middle clinoid processes, especially on the left side.

The sphenoid as seen from behind.

Sphenoid Viewed from Behind

The sphenoid as seen from behind.

The sphenoid as seen from the front.

Sphenoid Viewed from the Front

The sphenoid as seen from the front.

The human spinal column

Spinal Column

The human spinal column

Side view of a human spinal column.

Spinal column

Side view of a human spinal column.

Side view of the spinal column, with the vertebrae numbered: C1-7, cervical vertebrae; D1-12, dorsal vertebrae; L1-4, lumbar vertebrae; S1, sacrum; Co1-4, coccyx.

Spinal Column

Side view of the spinal column, with the vertebrae numbered: C1-7, cervical vertebrae; D1-12, dorsal…

Lateral view of the spinal column. Labels: 1, atlas; 2, dentata 3, seventh cervical vertebra; 4, twelfth dorsal vertebra; 5, fifth lumbar vertebra; 6, first piece of sacrum; 7, last piece of sacrum; 8, coccyx; 9, a spinous process; 10, 10, intervertebral foramina.

Spinal Column

Lateral view of the spinal column. Labels: 1, atlas; 2, dentata 3, seventh cervical vertebra; 4, twelfth…

View of the entire spinal column. The bodies of the vertebrae are in the front with the spinous processes on the other side. Between the row of the bodies of the vertebrae and the row of spinous processes you can see the canal in which lies the spinal marrow.

The Spinal Column

View of the entire spinal column. The bodies of the vertebrae are in the front with the spinous processes…

The spinal column.

Spinal Column

The spinal column.

Lateral view of the vertebral column.

Spinal Column

Lateral view of the vertebral column.

Side view of spinal column, without sacrum and coccyx. Labels: 1 to 7, cervical vertebrae; 8 to 19, dorsal vertebrae; 20 to 24, lumbar vertebrae; A, A, spinous processes; C, D, transverse processes; E, intervertebral aperture or foramen; a, atlas; 2, axis.

Human Spinal Column

Side view of spinal column, without sacrum and coccyx. Labels: 1 to 7, cervical vertebrae; 8 to 19,…

Side view of the spinal column. Labels: C 1-7, cervical; D 1-12, dorsal; L 1-15 lumbar; S 1, sacrum; Co 1-4, coccygeal.

Side View of the Spinal Column

Side view of the spinal column. Labels: C 1-7, cervical; D 1-12, dorsal; L 1-15 lumbar; S 1, sacrum;…

A lateral view of the spine divided into its cervical, dorsal, and lumbar portions.

Spinal Divisions

A lateral view of the spine divided into its cervical, dorsal, and lumbar portions.

The spine showing the seven vertebrae of the neck, cervical; the twelve of the back, dorsal; the five of the loins, lumbar; the sacrum (a), and the coccyx (b), comprising the nine "false vertebrae".

The Spine

The spine showing the seven vertebrae of the neck, cervical; the twelve of the back, dorsal; the five…

Anterior and posterior view of adult spine.

Anterior and Posterior Views of Spine

Anterior and posterior view of adult spine.

Lateral view of adult spine.

Lateral View of Spine

Lateral view of adult spine.

Ligamenta subflava as seen from the front after removal of he bodies as the vertebrae by sawing through the pedicles.

Ligamenta Subflava of the Spine

Ligamenta subflava as seen from the front after removal of he bodies as the vertebrae by sawing through…

Anterior common ligament of the vertebral column, and the costo vertebral joints as seen from in front.

Ligaments of the Spine

Anterior common ligament of the vertebral column, and the costo vertebral joints as seen from in front.

Posterior common ligament of the vertebral column.

Ligaments of the Spine

Posterior common ligament of the vertebral column.

Mesial section through a portion of the lumbar part of the spine.

Mesial Section of the Spine

Mesial section through a portion of the lumbar part of the spine.

Sterno clavicular and costo sternal joints.

Sterno Clavicular and Costo Sternal Joints

Sterno clavicular and costo sternal joints.

The anterior (ventral) surface of the sternum and the costal cartilages.

Sternum

The anterior (ventral) surface of the sternum and the costal cartilages.

The posterior (dorsal) surface of the sternum.

Sternum

The posterior (dorsal) surface of the sternum.

The sternum in this cut consists of two bones. The first is broad and thick above, and contracts as it descends. It is convex before and concave behind. At the upper angle a, the collarbone is articulated; b, the articular surface for the cartilage of the first rib; b, for the second rib; c,d,e,f,g, mark the articular surfaces of the 3rd, 4th, 5th, 6th, and 7th ribs; h, the ensiform cartilage, terminates the lower extremity of the sternum. In older people, this cartilages is often changed into bone.

Sternum

The sternum in this cut consists of two bones. The first is broad and thick above, and contracts as…

The sternum, ventral aspect.

Sternum

The sternum, ventral aspect.

Sternum and ribs with ligaments, from in front. In the right half of the figure the most anterior layer has been removed and the joint cavities have been opened; the parts are separated somewhat from one another on the left side.

Sternum and Ribs

Sternum and ribs with ligaments, from in front. In the right half of the figure the most anterior layer…

Sternum, front and side view. The sternum, or breast bone, is a flat narrow bone, situated in the median line in the front of the chest, and consisting, in the adult, of 3 portions.

Human Sternum Bone

Sternum, front and side view. The sternum, or breast bone, is a flat narrow bone, situated in the median…

Sternum showing foramen due to imperfect union of lateral parts.

Sternum Showing Foramen

Sternum showing foramen due to imperfect union of lateral parts.

Side view of sternum.

Side View of Sternum

Side view of sternum.