Lacrimal ọmụmụ - ihe ọ bụ na ihe ọ bụ?

Modern onye ahụ makwa na a ọtụtụ ihe banyere ịrụ ọrụ nke ahụ ya. Ma, ọ bụ uru na-echeta na e nwere obere akụkụ na glands na mgbakwunye na nke isi dị mkpa na usoro. Ha na-emi odude ofụri idem na-egwu a dị ịrịba ama ọrụ n'ozuzu ike nke ahu. Otu ihe atụ bụ dọkatụrụ adọka ducts, site nke ala nke na-arụ ọrụ na-adabere na anya.

Gịnị bụ ígwè?

Gland akpọ ozu, nke na-emi esịnede secretory mkpụrụ ndụ. Ọ na-eji maka mmepụta nke kpọmkwem bekee nke dị iche iche chemical okike. Iron nwere ike mmepụta eme na nzuzo ma ọ bụ n'elu ahụ na esịtidem na gburugburu ebe obibi nke ihe organism. Dị ka ihe atụ, ndị a ozu nwere ike ime ka ụmụ mmadụ na lacrimal ọwa, endocrine glands, pancreas.

Ahụ Wapụtara a nzuzo, a na-akpọ exocrine. Glands, na-amị a nzuzo synthesized n'ime n'ọbara ma ọ bụ lymphatic usoro, a na-akpọ endocrine.

Lacrimal glands nke mmadụ. ebe

Search lacrimal gland kwesịrị dị n'okpuru elu-mpụta onu nke anya anya. Karịsịa n'ihi na ha, kpụrụ lacrimal fossa na a na-emighị emi ezumike na frontal ọkpụkpụ. Iji ígwè adịghị akpali, e nwere fibrous ìgwè, ya bụ, na-akwado uru nke anya na eyelids, Ọzọkwa, ha nọ na abụba anụ ahụ. Ná nkezi, onye okenye, ndị a ozu nwere akụkụ 10h20h5 mm. Ọ dịrị ihe ọ dịghị ihe karịrị otu ígwè 0,8 g

Ọdịdị

Dị ka ya Ọdịdị lacrimal gland alveolar-tubular. Ọ mejupụtara abụọ ahaghị lobes:

• orbital, bụ nke dị na elu na olu a bit ọzọ;
• palpebral, nke a na-akpọ ala lobes.

N'agbata mbak, nke na-emepụta site na lacrimal ọmụmụ, ya bụ fascia muscle maka eweli elu nkuchianaya. Site ọ bụla n'ime ha na-aga 5-6 ducts. Nke nta nke nta, ha na-achọkwa n'ime otu nnukwu eruba.

The ala nke gland nwere a n'ọnụ ụzọ ámá. Site na ha na-akwara ndị gara na veins na-ezitekwara ahụ na ọbara, Lymph arịa na isi duct cancer, na nke ndị niile na obere adọka ducts converge. The lumen nke duct bụ na-emeghe na conjunctiva. Ya mmepụta bụ na elu akụkụ, banyere 5 mm si outermost ebe nke elu nkuchianaya. Mgbe ụfọdụ, e nwere mmezi orùrù nke excretory tract. Ndị a obere ducts nwekwara ejedebe na n'elu ụlọ nke conjunctiva. Ụfọdụ adọka ọmụmụ ọwa egosipụta na temporal òkè nke conjunctiva, ụfọdụ - na elu canthus. Mgbe mmadụ na-emechi ya anya, anya mmiri na-agba ọsọ ala azụ ihu eyelids, ebe adọka iyi, na site na anya mmiri juru ọdọ mmiri n'ime obere oghere na n'ọnụ nke eyelids.

The elu duct, na-eje ije na-esote na anya anya ọkpụkpụ olulu, a na-akpọ lacrimal nwa. Mgbidi ya nye ịrị elu na ọtụtụ ụzọ site na nke na-aga na-adọka ọmụmụ.

The ala akụkụ nke lacrimal gland idu ke subaponevroticheskom òkè n'okpuru ala nkuchianaya. Ọ mejupụtara ọtụtụ ejikọta lobules. Ha na-na 25-30 iberibe. All na-abịa site ducts nke lobules na-egosipụta na isi gland.

Na ọkpụkpụ site ná mgbidi dị a dịghị òkè oghere aga nso nasolacrimal duct. Nke a slezovyvodyaschy ọwa emepe n'ime gọzie gị oghere nke a pụrụ iche oghere na ala nke-asa. The nchawa valvụ kpuchie si mucosal folds.

ọrụ

The lacrimal glands na-emepụta a pụrụ iche na mmiri mmiri na nzuzo na nwere ọtụtụ atụmatụ:

• mwepụ nke mba ozu si anya na unyi;
• nchedo site ihicha elu;
• nnyefe nke nri na cornea na conjunctiva;
• refraction nke ìhè;
• lubrication maka ije nke narị afọ;
• antibacterial nchebe.

Gịnị bụ a dọkatụrụ adọka?

Lacrimal ọmụmụ - a doro anya transudate na-agbakọ a serous (protein) cavities. The chemical mejupụtara nke anya mmiri hụrụ adanyekọta na mejupụtara ọbara. Otú ọ dị, potassium ịta dị elu na fluorine ọdịnaya na ala organic asịd. The chemical mejupụtara nke anya mmiri bụ na-anabata nke steeti ahụ na a na-agbanwe mgbe nile.

Ndabere nke adọka ọmụmụ - mmiri. Ọ etisasịwo nnu (1,5% NaCl), albumin (0,5%), imi. Na nchoputa ọ na ubé alkaline mmeghachi omume. Anya mmiri nwere ike mpiaji na nke mmetụta uche. Ke akpa idaha, ahụ na-eji igbunye a dọkatụrụ adọka ka moisten ma hichaa anya. Nke abụọ ahụ - n'ibelata nrụgide na nchegbu. Secretory sel nke lacrimal glands na-emepụta a obere ego nke a psychotropic umi, ike nke na-ewetara na-akpata nrụgide. Na a ala nke obi nkoropụ na anya mmiri na-egosi nchegbu homonụ na prolactin leytsinenkefalin. Obi ụtọ na anya mmiri ibelata ego nke adrenaline, nke enwekwu nnọọ mgbe overexcitation. Ọzọkwa, secretory mkpụrụ ndụ nyere na dọkatụrụ adọka ọmụmụ ọnụnọ nke immunoglobulins na ọtụtụ ndi na-edozi, amino asịd, enzyme mmadụ, urea ndị ọzọ chemical ọcha.

N'ihi na ugbu a ị na-ụfọdụ echiche ihe adọka ọmụmụ, ị na-aghọta - ike ákwá dị ezigbo mkpa ka mmadụ. Anya mmiri - bụghị naanị a ịrịba ama nke elu obi ndabere, kamakwa nnyemaaka nke anyị anya, na-ha ike.