Lesson 2.2 Flashcards
How many type of epithelium do we have
1 covering or lining epithelium
2 glandular epithelium
Which are the different glandular epithelium
Thyroid adrenal and sweat gland
Where do we have lining epithelium
Outer layer of skin
Where do we have lining epithelium
Blood vessel and duct’s respiratory reproductive urinary gi tract
What is a transitional epithelium
Shape varies with tissue stretching
An example of transitional epithelium
Urinary bladder
Lining epithelium what are the specialized structures
Ciliated
Non ciliated: microvilli caliciform cells
How do we name an epithelium
1specialization
2number of layer
3shape
Différents specialized structure
Ciliated
Microvilli
Sterocilia
Nb of layers
Simple
Stratified
Pseudostratified
Cell shape
Squamous
Cuboidal
Columnar
Definiton pseudostratified
Cells contact basement membrane but no all cells reach apical surface
Simple squamous epithelium are thick layer true or false
False Very thin
What did simple squamous epithelium
Control diffusion gases
Filtration
Lining of blood vessels and interior surface of the heart endothelium
Lining body cavity mesothelium peritoneum
In simple
Squamous epithelium celle nuclei are
Centrally located flat ovoid spherical
In simple squamous epithelium cell are in contact with each other
Yes in direct contact
Which type of epithelium size shape do we have in endothelium
Simple squamous epithelium
In which part of blood do we find simple squamous epithelium
Intérieur of heart endothelium
In simple cuboidal epithelium cell nuclei are
Nuclei are round and centrally located
Where do we find simple cuboidal epithelium
-Tube digestive and renal system
Pancreatic duct kidneys
-Thyroid gland kidneys
-proximal convoluted tubule
- renal tubule ovaries thyroid follicles
When is modified with microvilli simple cuboidal epithelium is found in
Proximal convoluted tubule
When is non modified where do we find simple cuboidal epithelium
Renal tubule ovary thyroid follicle
When is adopted for secretion and absorption simple cuboidal tubule is found in
Thyroid gland kidneys
Which type of epithelium is goblet cells
Non Ciliated simple columnar epithelium
Unicellular gland goblet cells secrete..
Mucus
What is the role of non Ciliated simple columnar epithelium
Lubricate Gi respiratory reproductive and urinary system
What is the role of microvilli
Increase surface area and the rate of absorption
In intestine
Did Ciliated simple columnar epithelium has unicellular gland goblet celle which secrete mucus?
Yes
Where do we find Ciliated simple columnar epithelium
Respiratory system
Female reproductive tract
What is the function of cilia
Provide motility hand helps to move mucus fluid or particles along a surface
In the reproductive respiratory and urinary system we find which type of epithelium
Non Ciliated simple columnar epithelium
Pseudostratified non Ciliated epithelium does always contain goblet cells ?
No not always
Where Pseudostratified non Ciliated columnar epithelium does not contain goblet cells
In urethra glands and épididymis
In Pseudostratified epithelium does all cells reach the apical surface?
No but all are attached to the basement membrane
Where are situated in Pseudostratified Ciliated columnar epithelium the nuclei
At varying depths
Where do we find Pseudostratified Ciliated columnar epithelium
Respiratory epithelium
Larynx
Trachea
Bronchi
Urethra
Epididymis ( male reproductive )
Which are the different stratified lining epithelium
Stratified squamous epithelium
Stratified cuboidal
Stratified columnar
Transitional epithelium
Is fréquent de o see stratified columnar epithelium
No not frequent
Stratified cuboidal epithelium is very common
No Its rare
What is the role of stratified squamous epithelium
Protection against chemical virus bacteria erosion friction
How are the cell in the surface of stratified squamous epithelium
Flat
How are the deeper layer of cells in stratified squamous epithelium
Cuboidal to columnar
Did stratified squamous
Epithelium has severe cell layers yes or no
Yes
Where do we find keratinized stratified squamous epithelium
Dorsal of tongue hard palate
Surface cell dead with keratin
Where do we find non keratinized stratified squamous epithelium
Mouth vagina esophagus true vocal cord
Did stratified cuboidal epithelium had one layer?
No multilayer
Where do we find stratified cuboidal epithelium
Mammary gland
Salivary gland
Sweat gland duct
Is frequent to see stratified cuboidal epithelium
No Its rare
What is the role of stratified cuboidal epithelium
Protective
What is the role of stratified columnar epithelium
Protection and secretion
Is it rare to see stratified columnar epithelium
Yes
Where do we have stratified columnar epithelium
Eye
Pharynx
Part of male urethra
Duct of submandibular glands
Where do we find transitional epithelium
Organ that expand from within
Ureters urinary bladder part of urethra
Did transnational epithelium has multilayer
Yes
What is a gland
A single cell or a mass of epithelial cells adapted for secretion
What is the origin of
Gland
Cell proliferation and invaginatiln of epithelial cells during embryogenesis
Which are the different type of gland that we have
Endocrine gland
Exocrine gland
Mixed gland
Definition endocrine gland
Ductless, secret hormones that enter the interstitial fluid and diffuse into bloodstream
Definiton exocrine gland
Secrete their product into duct or directly into a free surface
Contain secreting and duct portion
Definition mixed gland
Endocrine and exocrine tissue
Pancreas ovaries testes
Which gland secrete hormone
Endocrine
What secrete exocrine gland
Mucus sweat saliva wax digestive enzymes
What endocrine gland secrete
Hormones
Where goblet cells occurs
They usually occur within Ciliated epithelia
Goblet cells is an unicellular gland true or false
True
Give me the different simple gland
Simple tubular
Simple branched
Simple coiled tubular
Simple acinar
Simple branched acinar
Give me the different compound gland
Compound tubular
Compound acinar
Compound tubuloacinar
Which gland has a tube like structure
Simple tubular
Which gland has a sac like structure
Simple acinar
How many duct simple gland has
Only one duct
What is the gland of the stomach
Simple Branched tubular
What is the gland of large intestine
Simple tubular
Which type of gland is in the sweat gland
Simple coiled tubular
In penile
Urethra we found
Simple acinar gland
In sebaceous we found
Simple branched acinar
What mean adenomere
Secretory portion
In simple gland the secretory portion is
Tubular or acinar
How many duct compound gland has?
Two or more duct 🥹
What type of Gland do we have in pancreas
Compound acinar
What type of gland do we have in bulbourethral gland?
Compound tubular
Where do we find compound tubuloacinar
Un submandibular glands
Which are the of gland based on secretion
Serous
Mucous
Mixed
Sebaceous
Serous gland secrete
Aqueous secretion with enzymes
Mucous gland secrete
Viscous secretion with glycoproteins mucin
Sebaceous gland secrete
Secretion of sebum oil wax
Which are the serous gland
Parotid gland lacrimal gland sweat gland digestive glands
Which are the mucous gland
Bowman gland
Cowper gland
Tracheal gland
Which are the mixed gland
Seromucous : submandibular glands
Mucous serous : sublingual glands
Bowman gland is an
Mucous gland
Cowper gland is an
Mucous gland
Bowman gland is olfactory gland true or false
True
Which gland secrete enzyme
Serous
The lubrification of skin and hair is due to mixed gland true or false
False due to sebaceous
What is the gland which
Secrete sebum
Sebaceous
Which gland secrete
Mucin
Mucous
Which type of gland is olfactory gland
Mucous
Which type of gland is salivary gland
Mixed
Based on their functions what are the names of the différents gland
Merocrine
Apocrine
Holocrine
merocrine secrete and produce by
Exocytosis
Apocrine gland secrete and produce by
The cellular apex detaches
Holocrine secrete and produce by
Cell lysis
Which gland accumulate the secretory product in the cytosol?
Holocrine
Give me an example where cell dead and is replaced by a new one
Sebaceous gland
Which gland secrete is product at the apical surface
Apocrine
Which are the most commun gland in body based on the function
Merocrine
Mammary gland is a apocrine gland true or false
True
Which gland is oiled gland
Holocrine
Secretion of mill fat in mammary gland is an
Apocrine gland
Saliva digestive enzymes sweat is an
Merocrine gland