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sinus

sinus

7 7.4
A channel that lets pus drain from an infected area to the skin surface
  • noun
  • /ˈsaɪnəs/
  • Specialized
translation icon : seno
  • The doctor explained that I have a sinus infection causing pressure in my forehead.
  • piriform sinus
  • sinus surgery
  • sinus tract

Examples

  • Surgical excision is often difficult, and surgical planes, particularly tracts and sinuses, are hard to follow.

    Academic text (1995)
  • A Gram's stain of the sinus contents identified gram-positive cocci and yeast.

    Academic text (2006)
  • Ideal treatment is complete excision of the tract of the sinus, including the piriform attachment.

    Academic text (2004)
  • Orbital infection can occur whenever a sinus infection spreads beyond the sinus cavity and into the orbit.

    Academic text (2002)
  • The definitive therapy for branchial sinuses, fistulas, or cysts is surgical excision.

    Academic text (1995)
  • Orbital infection can occur whenever a sinus infection spreads beyond the sinus cavity and into the orbit.

  • You’ll probably need antibiotics only for sinus infections, strep throat, pneumonia, and serious skin infections.

Synonyms

fistula
vssinus
  • Specialized
4 9.9

An abnormal connection between organs or from an organ to the skin

is a narrower channel that specifically comes from a pus-filled cavity to the surface

Compounds

cavernous sinus
  • Specialized
1 8.2

A large area of veins on each side of the pituitary gland that drains blood from the brain and face

frontal sinus
  • Specialized
1 5.3

An air space in the bone above each eye

Pain in the head from blocked or infected sinuses near the nose

coronary sinus
  • Specialized
1 7.0

A short vein that collects blood from the heart muscle and carries it to the right atrium

maxillary sinus
  • Specialized
1 6.4

An air space in the upper jaw on each side of the nose

paranasal sinus
  • Specialized
1 5.4

Air-filled spaces in the bones around the nose that connect to the inside of the nose

ethmoid sinus
  • Specialized
6.9

A small air-filled space in the bone between the nose and the eyes

ethmoidal sinus
  • Specialized
7.5

A small air space in the bone between the nose and eyes that opens into the nose

nasal sinus
  • Specialized
3.7

An air space in the bones near the nose lined with mucus

Phocoena sinus
  • Specialized
9.9

A small sea mammal like a dolphin that lives only in the Gulf of California and is almost extinct

tentorial sinus
  • Specialized
9.9

A small vein that drains blood from the brain's outer covering near the tentorium

transverse sinus
  • Specialized
9.1

A channel in the outer layer covering the brain that drains blood from the back of the head

sigmoid sinus
  • Specialized
9.1

A large S-shaped vein in the covering of the brain that takes blood to a vein in the neck

sinus coronarius
  • Specialized
8.8

A short vein in the heart that collects blood from the heart's veins into the right atrium

sinus ethmoidales
  • Specialized
8.2

Small air spaces in the bone between the eyes behind the nose bridge that connect to the nose

sinus paranasales
  • Specialized
6.7

Hollow spaces in the bones around the nose lined with a thin wet layer

sinus rectus
  • Specialized
9.9

A large channel in the covering of the brain that drains blood

sinus cavernosus
  • Specialized
9.9

One of a pair of large veins at the base of the brain that drain blood from it

sinus sigmoideus
  • Specialized
9.9

A large S-shaped vein at the back of the skull that carries blood from the brain

sinus tachy
  • Jargon
6.8

A fast heartbeat that starts in the heart's natural pacemaker

sinus transversus
  • Specialized
9.9

A channel of veins in the brain's outer covering that carries blood toward the neck

sinus venosus sclerae
  • Specialized
9.9

A ring-shaped channel in the eye that drains fluid into veins

straight sinus
  • Specialized
9.0

A large vein in the outer covering of the brain that carries blood from deep brain veins

venous sinus
  • Specialized
7.7

A large channel in the body, often in the brain, that holds blood and has thin walls

Surface Forms

sinus singular
sinuses plural

Etymology

Sinus comes from the Latin word sinus, which means 'bay' or 'fold'. Think of a small channel or 'bay' that opens from an infected pocket to the skin; that is why a sinus can mean an abnormal passage from a pus-filled area to the surface.