Lesson 2.2 Flashcards by Camille SIRET

How many type of epithelium do we have

1 covering or lining epithelium
2 glandular epithelium

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Which are the different glandular epithelium

Thyroid adrenal and sweat gland

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Where do we have lining epithelium

Outer layer of skin

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Where do we have lining epithelium

Blood vessel and duct’s respiratory reproductive urinary gi tract

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What is a transitional epithelium

Shape varies with tissue stretching

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An example of transitional epithelium

Urinary bladder

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Lining epithelium what are the specialized structures

Ciliated
Non ciliated: microvilli caliciform cells

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How do we name an epithelium

1specialization
2number of layer
3shape

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Différents specialized structure

Ciliated
Microvilli
Sterocilia

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Nb of layers

Simple
Stratified
Pseudostratified

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Cell shape

Squamous
Cuboidal
Columnar

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Definiton pseudostratified

Cells contact basement membrane but no all cells reach apical surface

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Simple squamous epithelium are thick layer true or false

False Very thin

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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

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In simple
Squamous epithelium celle nuclei are

Centrally located flat ovoid spherical

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In simple squamous epithelium cell are in contact with each other

Yes in direct contact

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Which type of epithelium size shape do we have in endothelium

Simple squamous epithelium

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In which part of blood do we find simple squamous epithelium

Intérieur of heart endothelium

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In simple cuboidal epithelium cell nuclei are

Nuclei are round and centrally located

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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

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When is modified with microvilli simple cuboidal epithelium is found in

Proximal convoluted tubule

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When is non modified where do we find simple cuboidal epithelium

Renal tubule ovary thyroid follicle

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When is adopted for secretion and absorption simple cuboidal tubule is found in

Thyroid gland kidneys

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Which type of epithelium is goblet cells

Non Ciliated simple columnar epithelium

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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

Lesson 2.2 Flashcards

(109 cards)