Chapter 15 Vocabulary Madyson Reynolds

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alimentary canal
tubular part of the digestive tract from the mouth to the anus
mucosa (mucous) membrane
membrane that lines cavities and tubes that open to the outside of the body
lumen
space in a tubular structure, such as blood vessel or intestine
submucosa
layer of the alimentary canal underneath the mucosa
muscular layer
layer of the alimentary canal which produces movements of the tube
serosa (serous) layer
outer covering of the alimentary canal
segmentation
mixes contents of the small intestine using mixing movements by alternately contracting and relaxing
peristalsis
rhythmic waves of muscular contraction in the walls of certain tubular organs
lingual frenulum
fold of tissue that anchors the tongue to the floor of the mouth
uvula
fleshy part of the soft palate that extends down above the root of the tongue
palatine tonsils
lie beneath the epithelial lining of the mouth associated with the palate; help protect the body against infection
lingual tonsils
the root of the tongue is covered with these rounded masses of lymphatic tissue
hard palate
bony anterior part of the roof of the oral cavity
soft palate
muscular interior part of the roof of the oral cavity
vestibule
narrow space between the teeth, cheeks, and lips
bolus
food that is chewed and mixed with saliva that the tongue rolls into a mass
chyme
semifluid mass of partially digested food that passes from the stomach to the small intestine
bile
fluid secreted by the liver and stored in the gallbladder