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CORNEA
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DeCS
Descriptor
English
:
Cornea
Descriptor
Spanish
:
Córnea
Descriptor
Portuguese
:
Córnea
Synonyms
English
:
Corneas
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
Consider also terms at
English
:
KERAT-
Entry Combination - descr/qualif
English
:
Cornea
/
injuries
use
Corneal Injuries
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
:
AB
abnormalities
AH
anatomy & histology
BS
blood supply
CH
chemistry
CY
cytology
DG
diagnostic imaging
DE
drug effects
EM
embryology
EN
enzymology
GD
growth & development
IM
immunology
IR
innervation
ME
metabolism
MI
microbiology
PS
parasitology
PA
pathology
PH
physiology
PP
physiopathology
RE
radiation effects
SU
surgery
UL
ultrastructure
VI
virology
Record Number:
3333
Unique Identifier:
D003315
Occurrence in VHL
:
Similar:
DeCS