Category: C

Any of a group of veins between the two layers of the dura mater that drain blood and reabsorbed cerebrospinal fluid from the brain and join the internal jugular vein.  

Any of the veins draining the brain. Cerebral veins differ from other veins in three respects: (1) cerebral veins do not run with cerebral arteries; (2) cerebral veins do not have valves; (3) the major cerebral veins are dural venous sinuses, not true veins.  

A varix of a lymphatic vessel that conveys chyle.  

Variation in which the difference between successive groups or individuals is quite small.  

Any of the four valves that prevent the backflow of blood as it passes into, through, and out of the heart. In order of the entry of the venous blood into the right atrium, they are the tricuspid, pulmonary, mitral, and aortic.  

The process of testing thoughts, emotions, and behaviors with other human beings. The desired outcome is acknowledgment of similar viewpoints and feelings.  

The most common sexually transmitted vaginal infection in the U.S., caused by an obligate intracellular parasite, Chlamydia trachomatis. Chlamydial infection is also a major cause of pelvic inflammatory disease, tubal occlusion, infertility, ectopic pregnancy, nongonococcal urethritis, and ophthalmia neonatorum. Asymptomatic chlamydial infection has been implicated in the development of preterm labor and birth in high-risk…

A yeast infection caused by Candida albicans.  

A cavity filled with fluid in the cytoplasm of a protozoan. The cavity is emptied by sudden contraction of its walls.  

A vaccine prepared from killed or inactivated Vibrio cholerae.