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

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ateral cleft called trench

keratinized stratified squamous epith. with taste buds around cleft

Dome-shaped

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non-keratinized stratified squamous epith. with taste buds

Leaf–like ridges

Only found in fetus

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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

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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.

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Jejunum

Ileum

Duodenum

Mucosa

Submucosa

Muscularis externa

Adventitia

simple columnar epith. with goblet cells

Muscularis mucosae

Brunner’s gland

Smooth muscle

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Lumen

Mucosa และ Submucasa

floated cut intestinal villi

plica circularis

Muscularisexterna

Serosa

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Mucosa

Submucosa

ymphatic nodules called Peyer’spatches

Muscularis externa

Serosa

simple columnar epith. with many goblet cells

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Mucosa

Submucosa

Muscularis externa

Serosa

Simple columnar epith.with goblet cells

blood vss. & lymphatic nodule

intestinal gland

No gland

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Anal Canal

Rectum

simple columnar epith.

intestinal gland

stratified squamous

nogland

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Mucosa

Submucosa

Muscularis externa

Serosa

less found intestinal gland

lymphoid tissue &lymph nodule

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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