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Superior maxillary bone and the bony sinuses of the head.

Superior Maxillary Bone and Sinuses

Superior maxillary bone and the bony sinuses of the head.

The hyoid bone. Viewed from the left and in front.

Hyoid Bone

The hyoid bone. Viewed from the left and in front.

Sphenoid bone, viewed from in front.

Sphenoid Bone

Sphenoid bone, viewed from in front.

Right temporal bone, inner aspect.

Inner Aspect of the Temporal Bone

Right temporal bone, inner aspect.

The lateral wall of the left nasal cavity. The greater part of the middle turbinated bone has been excised to expose the structures and orifices situated beneath it. A part of the anterior portion of the inferior turbinated bone had been removed. The original borders of the turbinated bones are indicated by dotted lines. The superior turbinated bone is intact. The orifices of the left sphenoidal and frontal sinuses are indicated by arrows.

Nasal Cavity

The lateral wall of the left nasal cavity. The greater part of the middle turbinated bone has been excised…

Section of the neck through hyoid bone.

Cross Section of Neck Through the Hyoid Bone

Section of the neck through hyoid bone.

Modes of approach to the esophagus and the cervical sympathetic ganglion shown by means of a cross section of the neck at the level of the 7th cervical vertebra. A: Approach to esophagus internal to carotid sheath. B : An incision in midline beneath the hyoid bone to the esophagus. C: An approach similar to (A), median to the carotid sheath, and (D), external to the carotid sheath, to expose the cervical sympathetic ganglion and trunk and the inferior, thyroid artery.

Cross Section of Neck at the 7th Cervical Vertebra

Modes of approach to the esophagus and the cervical sympathetic ganglion shown by means of a cross section…

Section of upper end of humerus, showing the external layer of compact bone surrounding the medullary cavity below and the spongy bone.

Section of Upper End of Humerus

Section of upper end of humerus, showing the external layer of compact bone surrounding the medullary…

Transverse section of compact bone (metatarsal); the section has been ground and dried, hence the lacunae are filled with air.

Transverse Section of Compact Bone

Transverse section of compact bone (metatarsal); the section has been ground and dried, hence the lacunae…

Longitudinal section of compact bone, ground and dried.

Longitudinal Section of Compact Bone

Longitudinal section of compact bone, ground and dried.

Occipital bone, internal surface, from before.

Internal Surface of the Occipital Bone

Occipital bone, internal surface, from before.

Occipital bone at birth.

Occipital Bone at Birth

Occipital bone at birth.

Horizontal section through right temporal bone, seen from below.

Horizontal Section Through Temporal Bone

Horizontal section through right temporal bone, seen from below.

Right temporal bone, internal aspect.

Internal Aspect of Temporal Bone

Right temporal bone, internal aspect.

Right temporal bone, from below.

Temporal Bone from Below

Right temporal bone, from below.

Frontal section of temporal bone, showing the cavities of the outer, middle, and inner ear and the four sides of the petrous.

Frontal Section of Temporal Bone

Frontal section of temporal bone, showing the cavities of the outer, middle, and inner ear and the four…

Right temporal bone from before.

Temporal Bone from Before

Right temporal bone from before.

Sagittal section through right temporal bone, seen from the outer side.

Sagittal Section Through Temporal Bone

Sagittal section through right temporal bone, seen from the outer side.

Temporal bone at about birth, outer aspect.

Temporal Bone at Birth

Temporal bone at about birth, outer aspect.

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.

The sphenoid bone from above.

Sphenoid Bone from Above

The sphenoid bone from above.

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.

Portion of sphenoid bone, showing the foramen pterygospinosum.

Sphenoid Bone Showing Foramen Pterygospinosum

Portion of sphenoid bone, showing the foramen pterygospinosum.

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 ethmoid bone, outer aspect from the right side.

Outer Aspect of Ethmoid Bone

The ethmoid bone, outer aspect from the right side.

The ethmoid bone from above.

Ethmoid Bone from Above

The ethmoid bone from above.

The ethmoid bone from behind.

Ethmoid Bone from Behind

The ethmoid bone from behind.

The ethmoid bone, inner aspect from the left side, part of the middle turbinate having been removed.

Inner Aspect of the Ethmoid Bone

The ethmoid bone, inner aspect from the left side, part of the middle turbinate having been removed.

The frontal bone from behind.

Frontal Bone from Behind

The frontal bone from behind.

Right parietal bone, outer surface.

Outer Surface of the Parietal Bone

Right parietal bone, outer surface.

Right parietal bone, inner surface.

Inner Surface of the Parietal Bone

Right parietal bone, inner surface.

Right superior maxillary bone, inner surface.

Superior Maxillary Bone

Right superior maxillary bone, inner surface.

Right palate bone from behind.

Palate Bone from Behind

Right palate bone from behind.

Outer aspect of palate bone.

Outer Aspect of Palate Bone

Outer aspect of palate bone.

Right lachrymal bone, inner aspect. Upper part completes anterior ethmoidal cells, lower looks into middle nasal meatus.

Inner Aspect of Lachrymal Bone

Right lachrymal bone, inner aspect. Upper part completes anterior ethmoidal cells, lower looks into…

Right malar bone, outer aspect.

Outer Aspect of Malar Bone

Right malar bone, outer aspect.

Right malar bone, inner aspect.

Inner Aspect of Malar Bone

Right malar bone, inner aspect.

The hyoid bone from in front

Front View of Hyoid Bone

The hyoid bone from in front

Right humerus from before.

Humerus from Before

Right humerus from before.

Right humerus from behind.

Humerus from Behind

Right humerus from behind.

Longitudinal section of humerus showing relation of compact and spongy bone.

Longitudinal Section of Humerus

Longitudinal section of humerus showing relation of compact and spongy bone.

Right ulna, inner aspect.

Inner Aspect of Ulna

Right ulna, inner aspect.

Right ulna, outer aspect.

Outer Aspect of Ulna

Right ulna, outer aspect.

Longitudinal section of ulna.

Longitudinal Section of Ulna

Longitudinal section of ulna.

Innominate bone at about fifteen years.

Innominate Bone

Innominate bone at about fifteen years.

Oblique sagittal section of right innominate bone passing through bottom of acetabulum; inner surface.

Sagittal Section of Innominate Bone

Oblique sagittal section of right innominate bone passing through bottom of acetabulum; inner surface.

Transverse section through head of first metatarsal bone.

Transverse Section Through Metatarsal

Transverse section through head of first metatarsal bone.

Longitudinal section through right foot in axis of first metatarsal bone.

Longitudinal Section Through Foot

Longitudinal section through right foot in axis of first metatarsal bone.

General view of the human skeleton.

Skeleton

General view of the human skeleton.

Transverse section of compact tissue of bone.

Transverse Section of Compact Bone

Transverse section of compact tissue of bone.

Nucleated none cells (osteoblasts) and their processes, contained in the one lacunae and their canaliculi respectively. From a section through the vertebra of an adult mouse.

Osteoblasts

Nucleated none cells (osteoblasts) and their processes, contained in the one lacunae and their canaliculi…

Schematic diagram, showing epiphysis and diaphysis and line of ossification. Labels: Ep, epiphysis of endochondral bone; zpt, zone of proliferation; zc, zone of calcification; ca, cartilage.

Bone Ossification

Schematic diagram, showing epiphysis and diaphysis and line of ossification. Labels: Ep, epiphysis of…

Cross section of developing bone of human fetus of four months. Labels: a, periostem; b, boundary between endochondral and periosteal bone; c, perichondral bone; d, remains of area of calcification; e, endochondral bone; f, f', blood vessels; g, g', developing Haversian spaces; h, marrow; i, blood vessels.

Developing Bone

Cross section of developing bone of human fetus of four months. Labels: a, periostem; b, boundary between…

"They introduce themselves under the skin of the carcasses of animals, and devour their flesh to the bone. [This] species climbs trees and attacks caterpillars."

Dung Beetle (Silpha Quadrapunctata)

"They introduce themselves under the skin of the carcasses of animals, and devour their flesh to the…

Osteoblasts from the parietal bone of a human embryo thirteen weeks old. Labels: a, bony septa with the cells of he lacunae; b, layers of osteoblasts; c, the latter in transition to bone corpuscles.

Osteoblasts from Embryo

Osteoblasts from the parietal bone of a human embryo thirteen weeks old. Labels: a, bony septa with…

"They introduce themselves under the skin of the carcasses of animals, and devour their flesh to the bone. [This] species climbs trees and attacks caterpillars."

Silpha Thoracica

"They introduce themselves under the skin of the carcasses of animals, and devour their flesh to the…

"They introduce themselves under the skin of the carcasses of animals, and devour their flesh to the bone."

Necrodes Littoralis (Female)

"They introduce themselves under the skin of the carcasses of animals, and devour their flesh to the…

The inner surface of the occipital bone.

Occipital Bone

The inner surface of the occipital bone.