Digestive System I:GastrointestinalTract
ORAL CAVITY
Tongue
Lips
Tooth
Cutaneous area
Red area
Oral mucosa
stratified squamous epith. with skin appendages
mixed seromucous gland
covered by non-keratinized stratified squamous epith.
keratinized stratified squamous epith.
Dorsal surface
non-keratinized stratified squamous epith.
Lingual Papillae
Fungiform papillae
Circumvallate papillae
Filiform papillae
Foliate papillae
ไม่มี taste buds
keratinized stratified squamous epith.
brush-like processes
tratified squamous epith. with taste buds
Shaped-like mushroom
ateral cleft called trench
keratinized stratified squamous epith. with taste buds around cleft
Dome-shaped
non-keratinized stratified squamous epith. with taste buds
Leaf–like ridges
Only found in fetus
Neck
Crown
Root
Gum
Pulp cavity
Dentin & Enamel
Periodontal membrane attached teeth with gum
Dental pulp
nerves & blood vss.
keratinized stratified squamous epith.
ALIMENTARY TRACT
Stomach
Small Intestine
Esophagus
Large Intestine
Vermiform
Appendix
Rectum & Anal Canal
Muscularis externa
dventitia
Submucosa
Mucosa
Non-keratinized stratified squamous epith.
Esophageal gland
Middle : skeletal & smooth m.
Lower : smooth m.
Upper : skeletal m.
most of collagen fibers
Serosa
Muscularis externa
Submucosa
Mucosa
gastric glands
Simple columnar epith.
Zymogenic cells
Oxyntic cells
Mucous neck cells
protect acid
secrete pepsinogen & gastric lipase
Oval nucleus to base
Oval nucleus in center
secrete HCl
Smooth muscle 3 layer
middle circular
outer longitudinal
inner oblique
Simple squamous epith.
Jejunum
Ileum
Duodenum
Mucosa
Submucosa
Muscularis externa
Adventitia
simple columnar epith. with goblet cells
Muscularis mucosae
Brunner’s gland
Smooth muscle
Lumen
Mucosa และ Submucasa
floated cut intestinal villi
plica circularis
Muscularisexterna
Serosa
Mucosa
Submucosa
ymphatic nodules called Peyer’spatches
Muscularis externa
Serosa
simple columnar epith. with many goblet cells
Mucosa
Submucosa
Muscularis externa
Serosa
Simple columnar epith.with goblet cells
blood vss. & lymphatic nodule
intestinal gland
No gland
Anal Canal
Rectum
simple columnar epith.
intestinal gland
stratified squamous
nogland
Mucosa
Submucosa
Muscularis externa
Serosa
less found intestinal gland
lymphoid tissue &lymph nodule
เลขที่ 13 รหัสนิสิต 64521402 นางสาวดารารัตน์ โคชขึง
เลขที่ 14 รหัสนิสิต 64521549 นายธนกรณ์ มาหา
อ้างอิง : Asst.Prof.Dr.Charkriya Promsuban
Department of Anatomy, Faculty of Medical Science, Naresuan University