arachnoidal granulations

a·rach·noid gran·u·la·tions

[TA] tufted prolongations of pia-arachnoid, composed of numerous arachnoid villi that penetrate dural venous sinuses and effect transfer of cerebrospinal fluid to the venous system. In older people, these are more numerous and tend to calcify. Synonym(s): arachnoidal granulations [TA], granulationes arachnoideae [TA], pacchionian bodies, pacchionian corpuscles, pacchionian glands, pacchionian granulations

arachnoidal granulations

Projections of the middle (ARACHNOID) layer of the MENINGES through the dura mater into the cerebral veins. The arachnoid granulations are the site of reabsorption of cerebrospinal fluid (CSF) into the blood. Failure of CSF to reach them leads to HYDROCEPHALUS. They are also known as arachnoid villi or Pacchionian bodies.

单词	arachnoidal granulations
释义	DictionarySeegranulation arachnoidal granulations arachnoidal granulations [¦a‚rak¦nȯid·əl ‚gran·yə′lā·shənz] (anatomy) Projections of the arachnoid layer of the cerebral meninges through the dura mater. Also known as arachnoid villi; Pacchionian bodies. arachnoidal granulations a·rach·noid gran·u·la·tions [TA] tufted prolongations of pia-arachnoid, composed of numerous arachnoid villi that penetrate dural venous sinuses and effect transfer of cerebrospinal fluid to the venous system. In older people, these are more numerous and tend to calcify. Synonym(s): arachnoidal granulations [TA], granulationes arachnoideae [TA], pacchionian bodies, pacchionian corpuscles, pacchionian glands, pacchionian granulations arachnoidal granulations Projections of the middle (ARACHNOID) layer of the MENINGES through the dura mater into the cerebral veins. The arachnoid granulations are the site of reabsorption of cerebrospinal fluid (CSF) into the blood. Failure of CSF to reach them leads to HYDROCEPHALUS. They are also known as arachnoid villi or Pacchionian bodies.
随便看	russophobism russo-polish war of 1632–34 russo-polish war of 1654–67 russo reaction russo-rumanian agreement of 1914 russo-spanish treaty of 1812 recruiters recruiters for katrina relief recruiter workspace recruit for recruit for (something) recruit from recruit from (something or some place) recruit her for recruit her from recruit her into recruit him for recruit him from recruit him into recruiting recruiting activities management support system recruiting advertising label system recruiting and retention non-commissioned officer recruiting and retention promotional item recruiting and retention school