Epithelial nama: a iyakar matsara

Lokacin da mutane magana game da irin wannan masana'anta, na tuna musamman fata, ko da yake epithelial nama - shi ne, bisa manufa, a irin "Iyakar matsara". Ta rabu da juna gabobin, shi yana kunshe ne a cikin abun da ke ciki na mucous. Iri-irin epithelial nama, tsarin da kuma aiki da abin da ake juna a hanya ta musamman ga kowane irin masana'anta. Game da abin da irin magana? Read more.

A halayyar kowa alama na iri daban-daban - Kwayoyin cewa ne a kusa lamba tare da juna, sau da yawa a cikin yadudduka, saboda da shãmaki aiki na epithelial nama. Har ila yau, duk wani nau'i na epithelial nama a kowa ne cewa daga cikin m Tsarin, suke ko da yaushe rabu da connective nama - wannan samuwar ake kira ginshiki membrane.

A general epithelium ne mai sauki (guda Layer) da kuma laminate (dama). Haka kuma, tsarin epithelial nama iya zama sosai daban-daban.

Simple epithelium za a iya dan kadan flattened a siffar. Wannan irin aka kira wani squamous. Ya Lines huhu, jini, zuciya cavities. Har ila yau, wadannan Kwayoyin ne a cikin babba yadudduka na fata da kuma na baka mucosa.

Ba shi da wuya a tsammani da siffar cubic epithelial Kwayoyin. Wadannan Kwayoyin suna samu a cikin gland, ducts, gland da kuma na koda tubules. Bugu da kari, sun qumshi da germinal epithelium a cikin ovaries na mata da kuma maza golaye.

Prismatic epithelium ne mai sauki kuma mai lebur. Kwayoyin suna da siffar elongated sanduna. Nuclei a wadannan Kwayoyin suna "boye" ginshiki membrane kusa da kai daga surface. To, a cikin ciki, wanda fuska sunã tsaye, shi ne sosai m - ma m yanayi a can. Wasu daga cikin wadannan Kwayoyin wani bangare ne na azanci shine gabobin - wari, dandano da mai ji.

Ciliated columnar epithelium yana da wani musamman dimbin yawa growths cewa azumi undulating iya gabatar da wani abu da yake kusa da su. Suka "rayuwa" a cikin hanci da kuma ... a cikin fallopian shambura a mata, kyale su su inganta kwai zuwa cikin mahaifa.

Glandular epithelium kira prismatic hada da secreting Kwayoyin. Wani lokaci secreting Kwayoyin fiye columnar. Ina Kwayoyin cewa zai iya haifar da wani m? Shi ne da sel epithelial nama, baya ga hanyar specialization. Kuma da "masana" ba za su iya zama sosai daban-daban. Tsunduma a samar da enzymes, hormones, madara, gamsai, gumi, kakin zuma da kuma yau. Hakika, duk wadannan abubuwa ne da ikon samar da guda-celled gland, gland na harka, ya kunshi yawa epithelial Kwayoyin. A guda cell kira finjãlin giya Kwayoyin. Da farko suka kira enterocytes, saboda mafi yawan wadannan Kwayoyin a cikin kananan hanji. Amma sai ya juya waje cewa su ne ba a cikin conjunctiva na ido da kuma a cikin numfashi tsarin, da kuma a cikin ducts na gland.

Ina da babban matakai na gogayya da hadarin rauni, jiki ya gina hadaddun epithelium - guda daya da cewa ko da yaushe kunshi dama yadudduka. Muna magana ne game da fata da kuma na baka mucosa. A cikin fata surface zubar Kwayoyin a cikin abin da Multi-keratin gina jiki a bakin keratin Kwayoyin ne kananan, saboda haka touch fata da kuma mucous membrane na bakin ne muhimmanci daban-daban.

Epithelial nama aiki ne sosai daban-daban. Jerin kasa ba gaba daya cika.

A m aiki. Epithelium hana inji lalacewa, sinadaran konewa, inda kodayaushe wani shãmaki a kan kamuwa da cuta da kuma kare Kwayoyin daga muhimmi ruwa hasãra.

Aiki majiyai: qware sel epithelial nama form gabobin majiyai.

Secretory aiki: da aka bayyana a cikin daki-daki, a cikin sashe na glandular epithelium.

Absorptive: a cikin kananan hanji ta hanyar da epithelium na sha na gina jiki ne da za'ayi.

Tukar tumbi: sunadarin gumi asirce maras so abubuwa a cikin koda epithelium ma iya takara a tacewa, kuma ma a reabsorption.

Yadawa: ta hanyar wani bakin ciki epithelium a cikin numfashi fili a cikin jiki da kuma daga Alhlulbaiti gas.

Tsarkakewa aiki: airway epithelium wanke iska daga turɓãya.

Rage gogayya: jijiyoyin bugun gini epithelium rage gogayya tsakanin jirgin ruwa bango da jini Kwayoyin.

Kamar yadda ka gani, da yawa na ayyuka, domin da yawa jinsunan. Ƙarin bayani game da wannan za ka karanta a cikin mai kyau littattafai na histology.