sinus
sinus
Definition
si·nus (sī′nəs)
noun
- a bend or curve
- any cavity or hollow formed by a bending or curving
- Anat., Zool. any of various cavities, hollows, or passages; esp.,
- any of the air cavities in the skull opening into the nasal cavities
- a large channel for venous blood
- a dilated part in a blood vessel, etc.
- Bot. a rounded depression between two consecutive lobes, as of a leaf
- Med. a channel leading from a pus-filled cavity
Etymology: L, a bend, curve, fold
sinus
Usage Examples
Converse of object
- drain: This is known as a draining sinus or abscess.
- block: People may also have trouble breathing, have a runny nose, and blocked sinuses.
- clear: If this maneuver does not clear the sinuses, they should ascend to a higher altitude.
- have: They noted that from 100 samples, seven had either sinuses or epithelial lined spaces.
- discharge: The resulting abscess then ruptures spontaneously leaving a painful discharging sinus.
- involve: We present a case of NHL involving the left maxillary sinus in a patient with AIDS.
Adjective modifier
- paranasal: The majority of these lesions arise in the oral cavity or paranasal sinuses.
- pilonidal: A pilonidal sinus is a small hole or tunnel in the skin, usually at the very top of the cleft between the buttocks.
- maxillary: Band saw used to remove the side of the cheek, to open the maxillary sinus.
- sphenoid: Note also the blood in the sphenoid sinuses, consistent with a basal skull fracture.
- cavernous: Thirteen patients had a surgical invasion of the cavernous sinus.
- frontal: Also the right frontal sinus is larger than the left.
Modifies a noun
- tachycardia: Upon hospitalization two hours after ingestion symptoms were sinus tachycardia, nausea and vomiting.
- hypersensitivity: Conclusions Cardiac pacing significantly reduces falls in patients with carotid sinus hypersensitivity.
- tarsus: Tenderness may be found in the sinus tarsi, especially with hindfoot abduction.
- bradycardia: His vital signs were monitored and an ECG revealed a sinus bradycardia with the presence of J waves.
- arrhythmia: The monitor works by measuring respiratory sinus arrhythmia ( RSA ).
- mucosa: We are further evaluating the histology of sinus mucosa in health and disease.
Noun used with modifier
Browse dictionary entries near sinus
- sinuous
- sinuosity
- sinuate
- Sintra
- sintering
- sinter
- sinsemilla
- Sinology
- Sinologist
- sinoatrial node
- sinusitis
- sinusoid
- sinusoidal projection
- sinusoidal waveform
- SiO
- Sion
- Siouan
- Sioux
- Sioux City
- Sioux Falls
