একনজর দেখে নিই Lining Epithelium...
Lining Epithelium
Histology
Fojla Rahman ZiaDigestive Tract:
Mouth:*Dorsam Of the Tongue,Hard Plate:
(একই lining)
Keratinized Stratified squamous epithelium.
Keratinized epithelium গুলোর কিছু
তথ্য:
*Keratin Proteins বেশি থাকে
*আর এই cell গুলো Dry covering হিসাবে কাজ করে।
Oesophagus :
Non keratinized Stratified Squamous epithelium
Now,
Stomach, Small Intestine,Rectum
All are lined by
:Simple Columnar epithelium
(এই cell গুলো Absorption এ help করে থাকে)
Anus :
Hiltons Line এর উপরে Lining
:Non keratinized Stratified Squamous epithelium
Hiltons line er নিচে Lining
: Keratinized Stratified Squamous Epithelium
এখন Gall Bladder এর lining:
Simple Columnar epithelium
এই ছিল Digestive Tract এর Lining... তবে Most Of the lining হল simple columnar epithelium.
Circulatory system :
Blood vessles : Simple squamous epitheliumএই cell গুলো খুব পাতলা হয় তাই এই এখানে,CO2, O2 exchange হতেপারে সহজেই....
(এই layer কে endothelium ও বলে)
Endocrine system:
Thyroid Follicles : Simple cuboidal epitheliumLymphatics system:
Lymph vessels : Simple squamous epitheliumCornea lined by:
Non keratinized stratified squamous epithelium
Nose:
Lined by:Pseudostratified columnar epithelium
নেক্সট পোস্টে Respiratory,Urinary and reproductive System lining নিয়ে আলোচনা করব।
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