BONES 



223 



BONES 



TABLE OF BONES.— Continued. 



Name. 



Principal Features. 



Articulations and Variety. 



Muscular and Ligamentous 

 Attachments. 



Occipital. 



Back part and base of cranium ; 

 trapezoid in shape ; outer and 

 inner tables ; external protuber- 

 ance, external occipital crest, 

 superior and inferior curved 

 lines, foramen magnum, con- 

 dyles, jugular process, anterior 

 and posterior condyloid forami- 

 na, basilar process, pharyngeal 

 spine, 4 fossae on internal sur- 

 face, internal occipital protuber- 

 ance and crest, grooves for the 

 cerebral sinuses, torcular Hero- 

 phili, jugular foramen ; flat bone. 



Parietal (two), "| 



Temporal (two), > synarthrodia. 



Sphenoid, j 



Atlas — double arthrodia. 



Twelve pairs— occipito-frontalis, tra- 

 pezius, sterno-cleido-mastoid, com- 

 plexus, biventer cer%'icis, splenius 

 capitis, superior oblique, rectus 

 capitis posticus, major and minor, 

 rectus lateralis, rectus capitis amicus, 

 major and minor, superior constrictor 

 of the pharynx. 



Palate. Back part of nasal fossa ; helps to 



form floor and outer wall of nose, 

 the roof of mouth and floor of 

 orbit, also spheno-maxillary and 

 pterygoid fossae and the spheno- 

 maxillary f i s s u r e ; L-shaped ; 

 inferior or horizontal plate, su- 

 perior or vertical plate, posterior 

 palatine canal, posterior nasal 

 spine, inferior and superior tur- 

 binated crests, maxillary pro- 

 cess, pterygoid process, acces- 

 sory descending palatine canals, 

 orbital process, sphenoidal pro- 

 cess, spheno-palatine foramen. 



Sphenoid, 

 Ethmoid, 



Superior maxillary, 

 Inferior turbinated, 

 Vomer, 

 Opposite palate, 



synarthrodia. 



Tensor palati, azygos uvulae, internal 

 and external pterygoid, superior con- 

 strictor of pharynx. 



Parietal. 



Form sides and roof of skull ; 

 irregular, quadrilateral; two sur- 

 faces, four borders, four angles, 

 parietal eminence, temporal 

 ridge, parietal foramen, furrows 

 for cerebral sinuses, depressions 

 for Pacchionian bodies; flat 

 bone. 



Opposite parietal, 



Occipital, 



Frontal, 



Temporal, 



Sphenoid, 



synarthrodia. 



Temporal. 



Patella. 



Flat ; triangular ; sesamoid ; an- 

 terior part of knee-joint; two 

 surfaces, three borders, apex ; 

 flat bone. 



Condyles of femur— -partly arthrodial. 



Rectus, crureus, vastus internus, vas- 

 tus externus. 



Pelvic. 



Composed of two ossa innomi- 

 nata, sacrum and coccyx, q. v. 



Phalanges of 

 foot. 



Two of great toe, three of each of First row with metatarsal and second 



the others ; shaft, base, head ; 

 long bones. 



phalanges — condyloid. 



Second of great toe ~| 

 with first phalanx ; of 

 other toes, with first ! . - 

 and third phalanges, f S^iglymus. 



Third row with second 

 row, J 



First — great toe — inner tendon exten- 

 sor brevis digitorum, abductor pol- 

 licis, adductor pollicis, flexor brevis 

 pollicis, transversus pedis. 



Second toe — first and second dorsa! in- 

 terosseous, first lumbrical. 



Third toe — third dorsal and first plan- 

 tar interosseous, second lumbrical. 



Fourth toe — fourth dorsal and second 

 plantar interosseous, third lumbrical. 



Fifth toe — flexor brevis minimi digiti, 

 abductor minimi digiti, third plantar 

 interosseous, fourth lumbrical. 



Second— great toe — extensor longus 

 pollicis, flexor longus pollicis. 



Other toes— flexor brevis digitorum, 

 one slip of common tendon of exten- 

 sor longus and brevis digitorum. 



Third— two slips from the common 

 tendon of the extensor longus and 

 extensor brevis digitorum, and flexor 

 longus digitorum. 



Phalanges, of 14 in number, three for each finger 



hand. . and two for thumb ; shaft, head, 



base ; long bones. 



First row with metacarpal bones and Thumb — extensor primi internodii pol- 



second row of phalanges 

 Second row with first 



and third rows, 

 Third row with second 



row, 



ginglymus. 



condyloid. licis, flexor brevis pollicis, abductor 

 pollicis, adductor pollicis, flexor lon- 

 gus pollicis, extensor secundi inter- 

 nodii. 



First — index finger — first dorsal and 

 first palmar interosseous. 



Middle finger — second and third dorsal 

 interosseous. 



Ring finger — fourth dorsal and second 

 palmar interosseous. 



Little finger — third palmar interosse- 

 ous, flexor brevis minimi digiti, ab- 

 ductor minimi digiti. 



Second — io all— flexor sublimis digit- 



