Menene kwakwalwa membranes

The mutum kwakwalwa ne wani sashin jiki na tsakiya m tsarin, wanda ya kunshi babban yawan m matakai na jijiya Kwayoyin da shi ne da alhakin dukan ayyuka na jiki. Girman kwanyar rami sashen, wanda yana dauke da medulla, kare ƙasũsuwa daga waje inji tsoma. Kwakwalwa, kazalika da laka, an rufe ta uku membranes: wuya, taushi da kuma arachnoid, kowanne daga abin da ya aikata ta ayyuka.

Structure Dura

M m harsashi kwakwalwa ne m girman kwanyar periosteum, wanda yana da karfi bond. A ciki surface da harsashi yana da dama appendages shiga cikin zurfi kwakwalwa tsaguwa a raba sashen. The most of irin wannan tsari ne dake tsakanin biyu hemispheres, da nuna wani kama lauje na baya sashe wanda Yanã shigar da snaring cerebellum, kuma Yanã ƙuntatãwa daga occipital lobes. A surface na m membranes na kwakwalwa, akwai wani tsari da aka sanya a kusa da sella turcica, kafa irin budewa da kuma samar da kariya daga wuce kima pituitary kwakwalwa taro matsa lamba. A Game rabo ne na musamman sinuses, kira sinusitis, wanda ya auku venous reflux.

A tsarin da arachnoid kwakwalwa kai

Arachnoid kwakwalwa harsashi located a ciki a wuya kwasfa. Ko da yake ta yi matukar bakin ciki da kuma m, amma ba ya shiga cikin fasa da GROOVES hemispheres a lokaci guda rufe dukan surface na kwakwalwa abu, da kuma motsi daga wani sashi zuwa wani. Daga cerebrovascular arachnoid membrane raba da subarachnoid sarari, wanda aka cika da cerebrospinal ruwa. Inda harsashi da aka located a kan mai zurfi da fadi da GROOVES, da subarachnoid sarari zama fadi, kafa wani iri-iri tank masu girma dabam. Sama da convex sassa, musamman sama da convolutions, taushi da kuma arachnoid membranes na kwakwalwa suna a hankali guga man da juna, don haka da subarachnoid sarari a wadannan yankunan ƙwarai quntata kuma shi ne mai capillary rata.

Names of babbar subarachnoid tafkunan ruwa:

• cerebellar-cerebral sinus aka located a cikin tsagi tsakanin cerebellum da wuri inda aka located da medulla oblongata .
• kaikaice sinus ramuka located a kan ƙananan gefe na cerebral hemispheres.
• chiasm tank aiki a muhimmi kai, tare da gaban da na gani chiasm.
• Sarrafawa interpeduncular tank - tsakanin kafafu na kwakwalwa a interpeduncular fossa.

rufi na kwakwalwa ne connective nama Tsarin, wanda kuma rufe kwakwalwa da kuma laka. Sun yi aikin kariya, samar da gistogematicheskie, likvorotkanevy likvorogematichesky da shinge da suke dacewa da metabolism da outflow na cerebrospinal abu. Ba tare da wadannan sifofi ba zai iya zama da al'ada aiki na kwakwalwa da kuma isasshen ci daga dukan 'm abubuwa.