Definition of pia in English:

pia

noun ˈpiːəˈpʌɪəˈpīə

mass nounAnatomy

The delicate innermost membrane enveloping the brain and spinal cord.
〔剖〕软脑（脊）膜。参见MENINGES
See also meninges, pia mater
Example sentencesExamples
- These veins are found in the maternal part of the placenta, the spinal cord pia mater, retina, sinuses of the dura mater, most cerebral veins, trabecular veins of the spleen, and veins of the nail bed.
- The innermost layer is the pia mater, a delicate vascular layer adherent to the surface of the brain and spinal cord.
- The pia mater has received little attention regarding its function in the deformation of the spinal cord under compression.
- The lining consists of three layers - dura, arachnoid and pia.
- Arachnoid and pia are also called leptomeninges (thin membranes).

Derivatives

pial

adjective ˈpīəlˈpēəl

Anatomy

Vasogenic edema from compressive ischemia, venous stasis or parasitization of pial vessels may also occur and can be extensive.
Example sentencesExamples
- In this section of newborn cerebellum (note the fetal granular layer), the arachnoid tissue in between the two cerebellar gyri is very cellular and the pial vessels are quite congested.
- Depending on the extent of the inflammation, vasculitis of the pial vessels may lead to thrombosis and infarction of the underlying brain parenchyma.
- The caverns distended the area of infarction, stretched pial membranes on the surface, and compressed adjacent, more normal, often central nerve fibers.
- Arteries carried in with the pial fold provide the choroid plexuses of the 3rd and lateral ventricles.

Origin

Late 19th century: short for pia mater.

Definition of pia in US English:

pia

nounˈpīə

Anatomy

The delicate innermost membrane enveloping the brain and spinal cord.
〔剖〕软脑（脊）膜。参见MENINGES
See also meninges, pia mater
Example sentencesExamples
- Arachnoid and pia are also called leptomeninges (thin membranes).
- The innermost layer is the pia mater, a delicate vascular layer adherent to the surface of the brain and spinal cord.
- The pia mater has received little attention regarding its function in the deformation of the spinal cord under compression.
- These veins are found in the maternal part of the placenta, the spinal cord pia mater, retina, sinuses of the dura mater, most cerebral veins, trabecular veins of the spleen, and veins of the nail bed.
- The lining consists of three layers - dura, arachnoid and pia.

Origin

Late 19th century: short for pia mater.

词汇	pia
释义	Definition of pia in English: pia noun ˈpiːəˈpʌɪəˈpīə mass nounAnatomy The delicate innermost membrane enveloping the brain and spinal cord. 〔剖〕软脑（脊）膜。参见MENINGES See also meninges, pia mater Example sentencesExamples These veins are found in the maternal part of the placenta, the spinal cord pia mater, retina, sinuses of the dura mater, most cerebral veins, trabecular veins of the spleen, and veins of the nail bed. The innermost layer is the pia mater, a delicate vascular layer adherent to the surface of the brain and spinal cord. The pia mater has received little attention regarding its function in the deformation of the spinal cord under compression. The lining consists of three layers - dura, arachnoid and pia. Arachnoid and pia are also called leptomeninges (thin membranes). Derivatives pial adjective ˈpīəlˈpēəl Anatomy Vasogenic edema from compressive ischemia, venous stasis or parasitization of pial vessels may also occur and can be extensive. Example sentencesExamples In this section of newborn cerebellum (note the fetal granular layer), the arachnoid tissue in between the two cerebellar gyri is very cellular and the pial vessels are quite congested. Depending on the extent of the inflammation, vasculitis of the pial vessels may lead to thrombosis and infarction of the underlying brain parenchyma. The caverns distended the area of infarction, stretched pial membranes on the surface, and compressed adjacent, more normal, often central nerve fibers. Arteries carried in with the pial fold provide the choroid plexuses of the 3rd and lateral ventricles. Origin Late 19th century: short for pia mater. Definition of pia in US English: pia nounˈpīə Anatomy The delicate innermost membrane enveloping the brain and spinal cord. 〔剖〕软脑（脊）膜。参见MENINGES See also meninges, pia mater Example sentencesExamples Arachnoid and pia are also called leptomeninges (thin membranes). The innermost layer is the pia mater, a delicate vascular layer adherent to the surface of the brain and spinal cord. The pia mater has received little attention regarding its function in the deformation of the spinal cord under compression. These veins are found in the maternal part of the placenta, the spinal cord pia mater, retina, sinuses of the dura mater, most cerebral veins, trabecular veins of the spleen, and veins of the nail bed. The lining consists of three layers - dura, arachnoid and pia. Origin Late 19th century: short for pia mater.
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