Armoracia Rusticana

by NG | Mar 20, 2018 | Armoracia rusticana

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An anal valve is a small horizontal fold uniting the inferior ends of any two adjacent anal columns of the anal canal. An anal valve forms the inferior boundary of an anal sinus. The anal valves demarcate the level of the pectinate line.^[1]

References

^ Sinnatamby, Chummy S. (2011). Last's Anatomy (12th ed.). p. 315. ISBN 978-0-7295-3752-0.

External links

Anatomy photo:43:11-0107 at the SUNY Downstate Medical Center — "The Female Pelvis: The Rectum"

Anatomy of the gastrointestinal tract, excluding the mouth

Pharynx	Muscles Spaces peripharyngeal retropharyngeal parapharyngeal retrovisceral danger prevertebral Pterygomandibular raphe Pharyngeal raphe Buccopharyngeal fascia Pharyngobasilar fascia Pyriform sinus
Esophagus	Sphincters upper lower glands crop
Stomach	Curvatures greater lesser Angular incisure Cardia Body Fundus Pylorus antrum canal sphincter Gastric mucosa Gastric folds Microanatomy Gastric pits Gastric glands Cardiac glands Fundic glands Pyloric glands Foveolar cells Parietal cells Gastric chief cells Enterochromaffin-like cells

Small intestine

Microanatomy	Intestinal villi Microvilli Intestinal glands Enterocytes Enteroendocrine cells Goblet cells Paneth cells
Duodenum	Suspensory muscle Major duodenal papilla Minor duodenal papilla Duodenojejunal flexure Brunner's glands
Jejunum	No substructures
Ileum	Ileocecal valve Peyer's patches Microfold cells

Large intestine

Cecum	Appendix
Colon	Ascending colon Hepatic flexure Transverse colon Splenic flexure Descending colon Sigmoid colon Continuous taenia coli haustra epiploic appendix
Rectum	Transverse folds Ampulla
Anal canal	Anus Anal columns Anal valves Anal sinuses Pectinate line Internal anal sphincter Intersphincteric groove External anal sphincter

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