Structure Temporal bone

-



1 structure

1.1 borders
1.2 development
1.3 postnatal development





structure

the temporal bone consists of 4 parts— squamous, mastoid, petrous , tympanic parts. squamous part largest , superiortly positioned relative rest of bone. zygomatic process long, arched process projecting lower region of squamous part , articulates zygomatic bone. posteroinferior squamous mastoid part. fused squamous , mastoid parts , between sphenoid , occipital bones lies petrous part, shaped pyramid. tympanic part relatively small , lies inferior squamous part, anterior mastoid part, , superior styloid process. styloid, greek stylos, phallic shaped pillar directed inferiorly , anteromedially between parotid gland , internal jugular vein. elongated or deviated styloid process can result calcification of stylohyoid ligament in condition known eagle syndrome.


borders







development

the temporal bone ossified 8 centers, exclusive of internal ear , tympanic ossicles: 1 squama including zygomatic process, 1 tympanic part, 4 petrous , mastoid parts, , 2 styloid process. before end of prenatal development [fig. 6] temporal bone consists of 3 principal parts:



postnatal development

apart size increase, chief changes birth through puberty in temporal bone follows:





























Comments

Post a Comment

Popular posts from this blog

History Shake Shack

-
the original shake shack located in madison square park in 2000, new york city began rebuilding of madison square park, had fallen state of disrepair , misuse. part of redevelopment, restaurateur danny meyer helped spearhead creation of madison square park conservancy redevelop it. 1 of first things conservancy did in goal improve park host art exhibit called <3 taxi inside of park raise awareness of renewal effort. meyer s director of operations, randy garutti, established hot dog cart run out of kitchen of eleven madison, 1 of meyer s union square hospitality group (ushg) operations. on time cart became extremely successful, , remained in operation 3 years. in 2004, city began taking bids operate new kiosk-style restaurant within park; meyer outlined idea space, , opened first shake shack in july 2004. beginning restaurant not designed chain; intended single shop location designed new york city. however, original location s sales continued grow, group realized there market expan...
Read more

David Aceveda List of The Shield characters

-
1 david aceveda 1.1 personality 1.2 career 1.3 farmington 1.4 city council 1.5 relationship vic mackey 1.6 rape incident, alliance vic, , mayoral status david aceveda david segovia aceveda, played benito martinez, character on fx s television crime drama shield. originally, captain of barn , fictional lapd precinct in also-fictional farmington district of los angeles, california. however, in season three, elected los angeles city council , relinquished command in first episode of season 4. though no longer captain, responsibilities city council representative of farmington district keep him in forefront of show. according show creator shawn ryan s commentary on season 1 dvd, aceveda character heavily influenced former los angeles mayor antonio villaraigosa. personality aceveda born politician—extremely intelligent , ambitious. main reason taking captaincy in farmington raise profile in community enable him run seat on city council , eventually, mayor. prisoner ambition , place morals ...
Read more

Prehistory History of Utah

-
fremont petroglyph, dinosaur national monument the fremont culture, named sites near fremont river in utah, lived in north , western utah , parts of nevada, idaho , colorado approximately 600 1300 ad. these people lived in areas close water sources had been occupied desert archaic people, , may have had relationship them. however, use of new technologies define them distinct people. fremont technologies include: use of bow , arrow while hunting, building pithouse shelters, growing maize , beans , squash, building above ground granaries of adobe or stone, creating , decorating low-fired pottery ware, producing art, including jewelry , rock art such petroglyphs , pictographs. hovenweep castle, san juan river basin the ancient puebloan culture, known anasazi, occupied territory adjacent fremont. ancestral puebloan culture centered on present-day 4 corners area of southwest united states, including san juan river region of utah. archaeologists debate when distinct culture emerged, cultural...
Read more