digestive

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					Word for Digestion

ACROSS                                                    45. An inactive enzyme precursor which is activated
                                                          in the stomach by HCl.
3. A chronic, inflammatory disease of the colon           49. A thick connective tissue layer containing nerves,
characterized by ulceration and episodes of bloody        blood vessels and small glands below the mucosa.
diarrhea.                                                 50.The largest internal organ of the body and major
4. The phase of gastric secretion that begins before      blood chemical factory.
any food reaches the stomach, by parasympathetic          52. Flask shaped cells located in the epithelial layer of
reflexes caused by the smell, taste or thought of food.   the duodenum that produce protective mucus.
8. Salivary glands on the floor of the mouth under the    54. A straight muscular tube that begins at the
tongue, primarily mucous in type.                         termination of the sigmoid colon and ends at the anal
11. Salivary gland on the floor of the mouth on the       canal.
inside surface of the jaw, primarily serous in type.      55. The muscularis layer of the GI tract has one
12. Circular muscles in the pharynx that pull the walls   smooth muscle layer that is arranged with the cell’s
inward during swallowing.                                 longitudinal to the long axis and the other layer has
13. The enzyme found in serous salivary secretion         the cells arranged in a ___ pattern.
that splits starch and glycogen into disaccharides.       58. The canal that extends from the end of the rectum
14. Distention of the rectal wall by feces acts as a      to the anus.
stimulus that initiates the ___ reflex.                   59. A reflex that empties the stomach which is
17. The enzyme produced by the gastric glands in the      triggered by an irritation or distention in some part of
stomach that catalyzes the cleavage of large proteins     the alimentary canal.
into smaller protein chains.                              60. A junction between the ileum and the large
18. The alternate contractions and relaxation of the      intestine.
longitudinal and circular layers of smooth muscle in      62.Outer most covering of an organ, which is not
the GI tract.                                             within serous membranes, consisting of connective
20. Glands that secrete digestive enzymes and mucus       tissue from the area around the organ.
into the oral cavity.                                     63. The tissue that is living, cellular and calcified
24. The process by which food substances are              surrounding the pulp cavity of a tooth.
changed into forms that can be absorbed through cell      64. A muscular tube about 9 meters long that passes
membranes.                                                through the body’s ventral cavity.
26. A complex organ located in the curvature of the       65. ___ factor is a glycoprotein that binds with vitamin
duodenum composed of both endocrine and exocrine          B-12 and makes it more readily absorbed in the ileum.
tissue.
27. The acid that produces a low pH in the stomach
between 1 & 3.
29. The tunic that consists of the peritoneum and a
connective tissue layer.
31. A fancy word for heartburn.
32. A thin layer of bonelike material that encloses the
root of a tooth,
35. Another term for “chew”.
37. The innermost tunic of the alimentary canal
38. A type of enzyme that catalyzes the digestion of
lipids.
40. A hormone secreted by the duodenum in response
to the presence of lipids which inhibits gastric
secretion and mobility of the stomach.
41. An enlarged segment of the digestive tract in the
left superior portion of the abdomen.
                                                            33. Minute projections of the cell membrane that
Word for Digestion                                          greatly increases the surface area of the villi.
                                                            34. A drug that stimulates the vomiting center of the
                                                            medulla oblongata.
                                                            36. Following a meal an elevated amount of
                                                                                                                   +
                                                            bicarbonate ions are excreted in the urine due to H
DOWN
                                                            removed from the blood to produce HCl in the
                                                            stomach. This is called an ___ tide.
1. Semifluid material of ingested food mixed with
                                                            39. The opening between the stomach & small
secretions of the stomach.
                                                            intestine is the ___ opening.
2. A membranous fold that connects the midline of the
                                                            42. The gall bladder stores a secretion from the liver
tongue to the floor of the mouth.
                                                            called ___.
3. Another name for the large intestine.
                                                            43. The alveolar ridges around the tooth are covered
5. Bile salts ____ fats, by reducing surface tension of
                                                            by dense fibrous connective tissue & stratified
fat globules, into smaller bits that are more easily
                                                            squamous epithelium referred to as ___.
digested and absorbed.
                                                            44. When the duodenum becomes filled with chyme it
6. The proximal end of the large intestine.
                                                            stretches the intestine causing an ___ reflex which
7. Large folds produced in the stomach when it is
                                                            sends parasympathetic impulses to the stomach
empty.
                                                            which inhibit peristaltic waves.
9. A peptic ___ is a condition in which stomach acid
                                                            46. A saclike structure on the inferior side of the liver
and/or bacteria digest the mucosal lining of the GI
                                                            that stores and concentrates bile.
tract.
                                                            47. The tunic that consists of two layers of smooth
10. The region of the stomach nearest the esophageal
                                                            muscle.
opening.
                                                            48. A disease called mumps is an infection of these
13. External GI tract opening at end of the anal canal.
                                                            salivary glands.
15. The cells located in the gastric glands that
                                                            50. A lymph capillary located in the villus.
produce pepsinogen.
                                                            51. A small blind tube, containing lymph nodules,
16. Name given to mass of food mixed with saliva that
                                                            attached to the cecum is called the ___ appendix.
enters the pharynx.
                                                            53. A proteolytic enzyme in pancreatic juice that starts
17. The oral cavity is connected to the esophagus via
                                                            with the letter “t”.
the ___.
                                                            56. The multitude of fingerlike projections found in the
19. Part of the GI tract that leads from the pharynx to
                                                            small intestine folds that contain cells of secretion and
the stomach.
                                                            absorption.
20. Acidity in the duodenum stimulates the hormone
                                                            57. A hormone produced by the stomach and
___ to be released into the circulatory system to inhibit
                                                            duodenum that increases gastric secretion.
the gastric secretions of the chief and parietal cells.
                                                            61. Extremely hard nonliving acellular substance
21. The right & left hepatic ducts unit to form a single
                                                            covering teeth.
___ hepatic duct.
22. The ___ duct from the gall bladder joins the
hepatic duct from the liver to form the common bile
duct.
23. 3 or 4 times a day, large portions of the transverse
and descending colon undergo several strong
peristaltic contractions called ___ ___.
24. The region of the small intestine where the
majority of digestion and absorption take place.
25. The longest section of the small intestines, also
the middle section.
26. The ___ cells of the gastric glands, produce
hydrochloric acid.
28. A major function of the liver, that renders harmful
chemicals to less toxic or harmless.
30. The phase of gastric secretion which starts when
the food enters the stomach, caused by
parasympathetic impulses due to distention of the
stomach wall and presence of secretagognes.