Skip to content
In English |
En español
Search
Dictionary of Cancer Terms
Page Options
Print This Page
Quick Links
Director's Corner
Updates from the Director
Dictionary of Cancer Terms
Cancer-related terms
NCI Drug Dictionary
Definitions, names, and links
Funding Opportunities
Research and training
NCI Publications
Order/download free booklets
Advisory Boards and Groups
Information, meetings, reports
Science Serving People
Learn more about NCI
Español
Información en español
Questions about cancer?
1-800-4-CANCER
LiveHelp® online chat
NCI Highlights
Virtual and Standard Colonoscopy Both Accurate
NCI Responds to Hurricanes
The Nation's Investment in Cancer Research FY 2009
Cancer Trends Progress Report: 2007 Update
Past Highlights
Search for
keyword
Starts with
Contains
#
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z
ethmoid sinus
(ETH-moyd SY-nus)
A type of paranasal sinus (a hollow space in the bones around the nose). Ethmoid sinuses are found in the spongy ethmoid bone in the upper part of the nose between the eyes. They are lined with cells that make mucus to keep the nose from drying out.
Previous Definitions:
estrogen replacement therapy
,
ET-743
,
etanercept
,
etanidazole
,
ethical will
Next Definitions:
ethynyluracil
,
etidronate
,
etiology
,
Etopophos
,
etoposide
NCI Home
|
Text-Only Version
|
Contact Us
|
Policies
|
Accessibility
|
Viewing Files
|
FOIA
|
Site Help
|
Site Map
A Service of the National Cancer Institute