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CORNEA
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DeCS
Descriptor
English
:
Cornea
Descriptor
Spanish
:
Córnea
Descriptor
Portuguese
:
Córnea
Tree Number:
A09.371.060.217
Definition
English
:
The transparent anterior portion of the fibrous coat of the
eye
consisting of five layers: stratified squamous CORNEAL
EPITHELIUM
;
BOWMAN MEMBRANE
;
CORNEAL STROMA
;
DESCEMET MEMBRANE
; and mesenchymal CORNEAL
ENDOTHELIUM
. It serves as the first refracting medium of the
eye
. It is structurally continuous with the
SCLERA
, avascular, receiving its nourishment by permeation through spaces between the lamellae, and is innervated by the ophthalmic division of the
TRIGEMINAL NERVE
via the ciliary nerves and those of the surrounding
conjunctiva
which together form plexuses. (Cline et al.,
Dictionary
of Visual
Science
, 4th ed)
Indexing Annotation
English
:
inflammation =
KERATITIS
;
neoplasms
=
CORNEAL DISEASES
(IM) +
EYE NEOPLASMS
(IM) + histological type of neoplasm (IM); /anat: consider
CORNEAL TOPOGRAPHY
; KERATOPLASTY, PENETRATING is also available
Consider also terms at
English
:
KERAT-
Entry Combination - descr/qualif
English
:
Cornea
/
transplantation
use
Corneal Transplantation
See Related
English
:
Endothelium, Corneal
Keratotomy, Radial
Photorefractive Keratectomy
History Note
English
:
/transplantation was CORNEAL TRANSPLANTATION 1963-65; was CORNEA/transplantation 1966-89
Allowable Qualifiers
English
:
abnormalities
anatomy & histology
blood supply
chemistry
cytology
drug effects
embryology
enzymology
growth & development
immunology
injuries
innervation
metabolism
microbiology
pathology
physiology
physiopathology
parasitology
radiography
radiation effects
radionuclide imaging
secretion
surgery
ultrastructure
ultrasonography
virology
Record Number:
3333
Unique Identifier:
D003315
Occurrence in VHL
:
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