| adenovirus |
any of a group of viruses that causes disease of the upper respiratory tract. |
| alimentary canal |
the body passage into which food is ingested and in which it is digested; passage from the mouth to the anus; digestive tract. |
| aspirate |
to inhale (fluid) into the respiratory tract. [1/5 definitions] |
| carcinoid |
a small tumor that secretes serotonin, found esp. in the gastrointestinal tract or lung. |
| chapbook |
a small book or pamphlet containing a ballad, poem, popular tale, or religious tract. |
| clostridium |
any of a genus of spore-forming, anaerobic bacteria, Clostridium, that inhabits soil or the intestinal tract of humans. |
| endoderm |
the inner layer of cells of an embryo, which develops into the linings of the digestive tract, certain glands, and other internal organs. |
| endometriosis |
the abnormal growth of uterine tissue in other areas of the vaginal tract or on the ovaries. |
| enterovirus |
a genus of virus that can cause disease in human and other mammals. Infection typically begins in the gastrointestinal tract and can spread to other areas, including the nervous system. |
| entrails |
the inner organs of a human or other animal, esp. the intestinal tract. [1/2 definitions] |
| everglade |
a tract of swampland, esp. in Florida, having interlaced waterways and usu. dense stands of tall marsh grasses. |
| expectorant |
promoting the discharge of phlegm from the respiratory tract. [1/2 definitions] |
| expectorate |
to spit, or to clear the respiratory tract by spitting out matter clogging it. [1/2 definitions] |
| farm |
a tract of land or quantity of water used to raise crops or animals. [1/5 definitions] |
| fen1 |
a low-lying, marshy tract of land; bog. |
| flatulent |
tending to generate gas in the digestive tract. [2/3 definitions] |
| flatus |
gas formed in the intestinal tract that may be expelled through the anus. |
| forestland |
a tract of land covered by a forest. |
| gizzard |
an enlarged, muscular portion of the digestive tract of birds in which partially digested food is finely ground with the aid of abrasive particles. [1/2 definitions] |
| glanders |
(used with a sing. verb) a contagious disease of horses, mules, and the like that is communicable to humans and is characterized by a mucous discharge from the nostrils and ulcers or swellings in the respiratory tract and lymph nodes. |
| gonorrhea |
a contagious venereal disease, involving inflammation of the genital organs and urinary tract, transmitted mainly by sexual intercourse. |