cavernous opening

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• Cavernous sinus — A large channel of venous blood creating a sinus cavity bordered by the sphenoid bone and the temporal bone of the skull. The cavernous sinus is an important structure because of its location and its contents which include the third cranial… …   Medical dictionary

• opening — I (New American Roget s College Thesaurus) Open space Nouns 1. opening, hole, foramen; aperture, yawning, oscitancy, dehiscence; chasm (see interval); breach. 2. (small opening) puncture, perforation, scuttle; pinhole, keyhole, loophole, porthole …   English dictionary for students

• cavernous sinus — noun either of a pair of large venous sinuses in the cranial cavity • Syn: ↑sinus cavernosus • Hypernyms: ↑venous sinus, ↑sinus * * * noun : either of a pair of large venous sinuses situated in a groove at the side of the body of the sphenoid… …   Useful english dictionary

• maw — maw1 /maw/, n. 1. the mouth, throat, or gullet of an animal, esp. a carnivorous mammal. 2. the crop or craw of a fowl. 3. the stomach, esp. that of an animal. 4. a cavernous opening that resembles the open jaws of an animal: the gaping maw of… …   Universalium

• true velocity —    Ground water flow velocity in porous interstice or cavernous opening [16] …   Lexicon of Cave and Karst Terminology

• maw — mɔː n. stomach of an animal; mount or throat of an animal; cavernous opening that resembles the open mouth of a voracious animal …   English contemporary dictionary

• maws — mɔː n. stomach of an animal; mount or throat of an animal; cavernous opening that resembles the open mouth of a voracious animal …   English contemporary dictionary

• fistula — An abnormal passage from one epithelial surface to another epithelial surface. [L. a pipe, a tube] abdominal f. a fistulous passage connecting one of the abdominal viscera …   Medical dictionary

• reproductive system, human — Organ system by which humans reproduce. In females, the ovaries sit near the openings of the fallopian tubes, which carry eggs from the ovaries to the uterus. The cervix extends from the lower end of the uterus into the vagina, whose opening, as… …   Universalium

• Vein — A blood vessel that carries blood low in oxygen content from the body back to the heart. The deoxygenated form of hemoglobin (deoxyhemoglobin) in venous blood makes it appear dark. Veins are part of the afferent wing of the circulatory system… …   Medical dictionary

• nervous system, human — ▪ anatomy Introduction       system that conducts stimuli from sensory receptors to the brain and spinal cord and that conducts impulses back to other parts of the body. As with other higher vertebrates, the human nervous system has two main… …   Universalium