Age fasali na ragargaje. Kwanyar baby. A sutures na kwanyar: tiyata

Kayyade rawa a cikin samuwar kuma m ci gaban da kwanyar nasa ne da kwakwalwa, hakora, taban da ake tsokoki da azanci shine gabobin. A lokacin girma shugaban shigarsu gagarumin canje-canje. . Lokacin da bayyananna shekaru, jima'i da kuma mutum halaye na ragargaje. Ka yi la'akari da wasu daga cikinsu.

Jariri

имеет специфическую структуру. Kwanyar baby yana da wani takamaiman tsari. A sarari tsakanin fitar kasusuwan jikinsu abubuwa na connective nama ya cika. A jarirai, gaba daya bace da kwanyar sutures. этой части тела представляет особый интерес. Tiyata na jiki ne na musamman sha'awa. A sassan a haɗa da dama kashi 6 fontanels ba. Su connective cover farantin. Akwai biyu unpaired (raya da kuma gaban) da kuma nau'i-nau'i biyu (mastoid, Tapered) fontanel. An dauke da most goshi. Yana yana da wani lu'u-lu'u siffar. An ayi a wani wuri na haduwa na hagu da kuma dama frontal kuma duka parietal ƙasũsuwa. очень эластичен. Saboda fontanelle kwanyar baby ne sosai na roba. Lokacin da shugaban tayin wuce ta haihuwa canal, rufin gefuna zoba imbricate. A sakamakon haka, shi yana raguwa. By shekaru biyu, kamar yadda mai mulkin, suna kafa na kwanyar sutures. раньше изучалась довольно оригинально. Tiyata a baya karatu quite asali. Physicians Tsakiya amfani da filin na zafi da baƙin ƙarfe fontanels a ido cututtuka, da kuma kwakwalwa. Bayan samuwar tabo hanyar suppuration daban-daban da likitoci irritating jamiái. Sai suka yi ĩmãni cewa ya buɗe hanya domin tara abubuwa masu cutarwa. A cikin sanyi na seams Jami'an likitoci kokarin sa fitar da haruffa, haruffa. Doctors yi imani da cewa bayanai game da haƙuri da rabo da aka shar'anta a cikin su.

Features kwanyar tsarin

Wannan sashi na jiki na wani jariri ne a cikin kananan size fuska ƙasũsuwa. Wani takamaiman alama an fontanels da aka ambata a sama. A jariri kwanyar alama waƙoƙi duk 3 bai cika ossification, saukarwa. Fontanelles - remnants na membranous lokaci. Kasancewarsu ne na m muhimmancin. Su ba ka damar matsawa, ƙashi na daga rufin. Anterior fontanelle located tare da tsakãtsaki ce layi a kan fili 4-gidajen abinci: 2 halves coronal, sagittal da frontal. Ya girma a cikin shekara ta biyu na rayuwa. A na baya fontanelle triangular. An located tsakanin biyu parietal ƙasũsuwa, gaba da baya wuyansa kashi ma'auni. Ya tsiro a cikin watan biyu. A kaikaice fontanelle rarrabe sandan da mastoid. Origin ne a kafana rabo daga parietal, frontal, boko sikelin kuma mafi reshe na sphenoid kashi. Ya ke tsiro a kan na biyu ko na uku watan jiya. Mastoid fontanel aka located tsakanin parietal kashi tushe na dala a cikin boko, kuma occipital.

cartilaginous mataki

A wannan mataki ne da wadannan shekaru daban-daban musamman da kwanyar. Tsakanin mutum ba Fused abubuwa gano cartilaginous kashi tushe Layer. Pneumatic sinuses ba tukuna raya. Saboda da wani rauni na tsokoki na daban-daban tsoka ridges, bumps da Lines ne mai rauni. Saboda wannan dalili, da alaka da kuma ga rashin taban da ake aiki, underdeveloped muƙamuƙi. Alveolar matakai kusan m. Ƙananan muƙamuƙi ne kamar haka hada 2 ununited halves. Saboda wannan kadan mutum ya zo a gaba tare da girmamawa ga kwanyar. Shi ne kawai 1/8 ɓangare. A wannan yanayin da rabo daga adult fuska da kwanyar - 1/4.

Hijirar na da ƙasũsuwa

Age fasali na da kwanyar bayan haihuwa bayyana a cikin aiki fadada cavities - hanci, kwakwalwa, na baka da kuma hanci. Wannan take kaiwa zuwa da korar da ƙasũsuwa cewa kewaye da su a cikin shugabanci na vectors na ci gaba. Motsi tare da karuwa a tsawon kuma kauri. A yankin da kuma curvature daga cikin farfajiya girma da ƙasũsuwa fara canza.

postnatal

проявляются в неравномерном росте лицевого и мозгового отделов. A wannan mataki, shekaru siffofin kwanyar bayyana a cikin m girma na fuska da cerebral sassan. Ƙirgar girma na karshen ya karu a cikin 0.5, da kuma na farko - a sau 3. A girma daga cikin cerebral sashen a cikin watanni shida na farkon ninki biyu, kuma a cikin 2nd shekara - tripled. Tare da shekaru 7 da ci gaban da aka slowing a mafarki accelerates sake. By 16-18 shekaru ci gaban da wani sa na Tashoshi. A tushe ne ta ƙara a tsawon, har zuwa 18-20 shekaru da kuma ƙare lokacin rufe sandan-occipital synchondrosis. Girmancin na gyara man fuska yankin ne ya fi tsayi, kuma uniform. Mai rayayye girma kashi a kusa da bakinsa. в процессе роста проявляются в срастании частей костей, разделенных у новорожденных, дифференцировке в структуре, пневматизации. Age siffofi da kwanyar a lokacin girma bayyana a cikin kashi intergrowth sassa rabu neonatal bambantawa a cikin tsari, da iska ciki. Relief na ciki da kuma m saman zama mafi delineated. A wani wuri shekaru a seams kafa mike baki, zuwa 20 shekaru suna kafa toothed connection.

da karshe, saukarwa

A arba'in fara obliteration na sutures. Yana maida hankali ne akan duk ko mafi yawan mahadi. A cikin tsufa da kuma na tsufa osteoporosis aka alama girman kwanyar ƙasũsuwa. Ya fara thinning faranti na m abu. A wasu lokuta, akwai wani mai kauri da ƙasũsuwa. Atrophy a alveolar zama mafi pronounced a fuska yankin saboda hakori hasãra. Wannan ya haddasa karuwa a kwana na kashin dadashinsu. A sakamakon haka, Chin ke a gaba.

jinsi

Akwai da dama sharudda da wanda namiji ya bambanta daga mace ragargaje. Wadannan halaye hada da mataki na roughness da tuberosities a shafukan da aka makala na tsokoki, da ci gaban mastoid da waje occipital protuberance, wasanni daga cikin manya muƙamuƙi da sauransu. Male kwanyar ne mafi ci gaba idan aka kwatanta da mace. Yana fayyace mafi kusurwa saboda da tsananin daga cikin roughness da m yankunan don hašawa taban da ake, na boko, occipital kuma wuyansa tsokoki. Frontal da parietal hillocks babban ci gaba a mata, a maza - glabella da Brow ridges. da karshen shi ne mafi tsananin da ya fi girma fiye da ƙananan muƙamuƙi. A cikin yankin na ƙananan gefuna da sasanninta na ciki na Chin fili bayyana tuberosity. Wannan shi ne saboda da abin da aka makala na digastric, masseter da pterygoid tsokoki. Dangane da jinsi ainihi shi ne daban-daban da kuma siffar mutum ragargaje. The maza bikin gangaren goshi, wanda ya jũya a cikin wani taso kambi. Sau da yawa akwai wani tudu a cikin shugabanci na sagittal dinki. Goshi mata fiye da a tsaye. Ya motsa a cikin wani lebur kambi. A maza, m ido soket. Matsayin mai mulkin, su ne rectangular a siffar. Su babba baki ne thickened. A mata, da ido kwasfansu suna located a sama. Su ne kusa da wani m ko zagaye siffar da babba sharper kuma sirara ribace-ribace. A cikin mata kwanyar alveolar kashi a cikin babba muƙamuƙi sau da yawa ya zo a gaba. Nosolobny kwana a maza aka bayyana a cikin mafi yawan lokuta a fili. A cikin mace kwanyar frontal kashi to baka Saide more smoothly.

bugu da žari

mutum kwanyar siffar ba ya shafar shafi tunanin mutum da iya aiki. Bisa ga sakamakon da yawa bincike na binciken burbushin za mu iya cewa akwai wani dalilin yi imani da cewa duk wani tseren aka mamaye da girman da cerebral sashen. The daji, da Pygmies da sauran kabilu na shugaban size ne dan kadan karami fiye da na sauran mutane. Wannan shi ne saboda su kananan jiki. Akai-akai a raguwa a kan iya zama sakamakon matalauta rage cin abinci domin ƙarni da kuma rinjayar sauran unfavorable dalilai.