The sinus (paranasal sinuses) are air cavities within the facial bones They are lined by mucous membranes similar to those in other parts of the airways
The circulation system of the leech is a little bizarre I mean who's ever heard of an animal that sticks its nervous system inside itse blood vessels?? Yet that's exactly how it is The ventral sinus of the leech is made of a tough fibrous material that appears dark green
A connection from one cavity to another or a cavity that is connected to another cavity; usually refers to the air spaces in the skull that connect to the back of the nose
The sinuses (paranasal sinuses) are air cavities within the facial bones They are lined by mucous membranes similar to those in other parts of the airways
{i} (Anatomy) any of several hollow cavities or passages in the body; one of the hollow cavities in the skull that connects to the nasal passages
A hollow or cavity; a recess or pocket Specifically, sinuses: air cavities lined by mucous membrane which communicate with the nasal cavity; the ethmoidal, frontal, sphenoidal, and maxillary sinuses
A cavity found within the bones of the skull The cavities are interconnected to the nasal passages and are lined with a mucus membrane and are subjected to blockage resulting in a squeeze when a diver descends
Your sinuses are the spaces in the bone behind your nose. I still suffer from catarrh and sinus problems. your sinuses are the spaces in the bones of your head that are connected to the inside of your nose. Body cavity or hollow. The paranasal sinuses, which are known commonly simply as the sinuses, are any of four sets of cavities in the bones adjoining the nose: maxillary, the largest, between the eye socket and the palate and upper jaw; frontal, just above and between the eye sockets; ethmoidal, consisting of 3-18 thin-walled cavities between the nasal cavities and the eye sockets; and sphenoidal, behind the nasal cavity. All are absent or small at birth, enlarge gradually until puberty, and then grow rapidly. They affect the sound of the voice and may help to warm inhaled air. Their lining produces mucus, which drains into the nasal cavity. Blockage of their outlets by swelling (from allergy or infection; see sinusitis), polyps, or structural problems hamper breathing through the nose and can lead to serious infection. Severe obstruction may require surgery, which must be done with extreme care to avoid harm to nearby brain structures or the eyes
(Tıp, İlaç) Sinus rhythm is a term used in medicine to describe the normal beating of the heart, as measured by an electrocardiogram (ECG). It has certain generic features that serve as hallmarks for comparison with normal ECGs
(Tıp, İlaç) an infected tract under the skin, usually between the buttocks. Pilonidal means "nest of hairs" and pilonidal sinus usually occurs in people who have lots of body hair
A dilated area located at the bifurcations of the carotid arteries and containing numerous baroreceptors that function in the control of blood pressure by mediating changes in the heart rate
any of the paired sinuses in the bones of the face adjacent to the nasal cavity that are lined with mucous membrane that is continuous with lining of the nasal cavities
Leaf sinuses are the area between lobes Maples and oaks are typical examples of trees with "lobes" and "sinuses" [To return to previous page, click your browser's BACK button then scroll through the page to your last location]