Histology Lecture (Epithelial Cells) part 3 Flashcards
Characteristic: thin plate like cells arranged in Mosaic pattern.
Simple squamous epithelial tissue
Characteristic: cells with central, round, bulging nucleus.
Simple squamous epithelial tissue
Characteristic: cells with serrated borders/outlines.
Simple squamous epithelial tissue
Function: forms barriers in regions of filtration and diffusion
Simple squamous epithelial tissue
Function: reduce friction
Simple squamous epithelial tissue
Distribution: lining walls of blood vessels
Simple squamous epithelial tissue
Distribution: lymph vessels
Simple squamous epithelial tissue
Distribution: cavities of
heart
Simple squamous epithelial tissue
Distribution: lining ventral cavities
Simple squamous epithelial tissue
Characteristic: made up of “cube-like” cells, with central, round nucleus
Simple cuboidal epithelial tissue
Function: In kidneys, it aids in excretory functions.
Simple cuboidal non-ciliated epithelial tissue
Function: Limited protection
Simple cuboidal epithelial tissue
Distribution: Kidney tubules
Simple cuboidal non-ciliated epithelial tissue
Distribution: Thyroid follicles
Simple cuboidal non-ciliated epithelial tissue
Distribution: secretory ducts of glands
Simple cuboidal non-ciliated epithelial tissue
Distribution: Bronchioles
Simple cuboidal ciliated epithelial tissue
Characteristics:
- made up of columnar cells
- no cilia attached on the free surface of the cell
Simple columnar non-ciliated epithelial tissue
Distribution: Gall bladder
Simple columnar non-ciliated epithelial tissue
Distribution: Pyloric end of stomach
Simple columnar non-ciliated epithelial tissue
Distribution: Small and large intestine
Simple columnar non-ciliated epithelial tissue
Distribution: rectum
Simple columnar non-ciliated epithelial tissue
Characteristic:
- made up of columnar cells
- with cilia attached on the free Surface of the cell
Simple columnar ciliated epithelial tissue
Distribution: Fallopian tube
Simple columnar ciliated epithelial tissue
Distribution: Lungs
Simple columnar ciliated epithelial tissue
Distribution: Uterine tube
Simple columnar ciliated epithelial tissue
Characteristic: appears to have several layers but actually has only one layer of cells.
Pseudostratified columnar epithelial tissue
Characteristic: nucleus of cells lies at different levels.
Pseudostratified columnar epithelial tissue
Distribution: Trachea
Pseudostratified columnar ciliated epithelial tissue
Distribution: Bronchi
Pseudostratified columnar ciliated epithelial tissue
Distribution: larynx
Pseudostratified columnar ciliated epithelial tissue
Distribution: oviduct
Pseudostratified columnar ciliated epithelial tissue
Distribution: uterus
Pseudostratified columnar ciliated epithelial tissue
Distribution: testes
Pseudostratified columnar stereociliated epithelial tissue
Distribution: epididymis
Pseudostratified columnar stereociliated epithelial tissue
Distribution: male urethra
Pseudostratified columnar stereociliated epithelial tissue
Stratified Squamous – Keratinized: flattened cells in outer layer
without nucleus
Stratified Squamous – Keratinized: above the surface layer
Keratinized
Stratified Squamous – non - keratinized: above the surface layer
non keratinized
Stratified Squamous – non - keratinized: flattened cells in outer layer
with nucleus
Distribution: epidermis of the skin
Stratified Squamous – Keratinized
Distribution: opening of mouth
Stratified Squamous – NON - Keratinized
Distribution: anus
Stratified Squamous – NON - Keratinized
Distribution: vagina
Stratified Squamous – NON - Keratinized
Distribution: esophagus
Stratified Squamous – NON - Keratinized
Transitional Epithelial tissue: Characteristic: inner layer
polyhedral
Transitional Epithelial tissue: Characteristic: middle layer
pyriform
Transitional Epithelial tissue: Characteristic: outer layer
umbrella-shaped
Function: Distention and prevention of caustic effects of urine.
Transitional Epithelial Tissue
Distribution: urethra
Transitional Epithelial Tissue
Distribution: ureter
Transitional Epithelial Tissue
Distribution: urinary bladder
Transitional Epithelium
Formed by cells specialized to produce a fluid secretion different in composition from blood or intercellular fluid.
Glandular Epithelium
Process is usually accompanied by intercellular synthesis of macromolecules
Glandular Epithelium
compounds produced is stored in small membranous bound vesicle called?
secretory glands
Glandular Epithelium synthesize, store and secrete protein where?
- pancreas
- lipid-adrenal
- sebaceous
Glandular Epithelium synthesize, store and secrete complex protein and carbohydrates where?
Salivary gland
Glandular Epithelium synthesize, store and secrete protein, carbohydrates, and lipids where?
Mammary glands
Types of Glandular Epithelium
- Serous glandular
- Mucous glandular
- Mixed
- Cytogenic
Found in: parathyroid gland
Serous Glandular
Found in: pancreas
Serous Glandular
Found in: parotid gland
Serous Glandular
Characteristic: Acidophilic in staining
Serous Glandular
Characteristic: Narrow lumen
Serous Glandular
Characteristic: with canaliculi
Serous Glandular
Characteristic: round nucleus
Serous Glandular
Characteristic: basophilic in staining
Mucous Glandular
Characteristic: wider lumen
Mucous Glandular
Characteristic: without canaliculi
Mucous Glandular
Characteristic: flattened nucleus
Mucous Glandular
Found in: Sublingual
Mucous Glandular
Found in: Submaxillary
Mucous Glandular
Found in: Salivary gland
Mucous Glandular
Serous + Mucous
mixed
function is to produce cell
cytogenic
3 major salivary gland
- parotid
- sublingual
- submaxillary
3 faith of cell upon secretion.
- merocrin/eccrin
- apocrine
- holocrine
apical ang gland sa secretion
merocrine/eccrine
may kasamang small portion ng cell membrane
apocrine
after release, sasabog yung cell or magkakaroon ng complete rupture of cell
holocrine
Example of merocrine/eccrine
sweat glands
Example of apocrine
Mammary gland
Example of holocrine
Sebaceous Gland
Distribution: Covering the ovary
simple cuboidal
Distribution: developing ovarian
follicles
stratified cuboidal
Distribution: renal calyces
Transitional