Histology - Simple, Stratified, & Glandular Epithelial Tissues

Flashcards on the structure and function of Simple, Stratified, & Glandular Epithelial Tissues from Unit 2 - Histology of A&P (no pictures)

Epithelial tissue is the ____ tissue that forms ____ between our body and the external ___.

lining; boundary; enviornment

The functions of Epithelial Tissue are?

Protection, Absorption, Filtration, & Secretion

Tissues that have no blood vessels are?

Avascular

Epithelial tissues are classified by the number of ___ and the ___ of the cells.

layers; shape

Simple Epithelial tissues have only ___ layer of cells, while Stratified Epithelial tissues have ____ ____ ___ layer of cells.

one; more than one

Simple Squamous Epithelium: A ___, ___ layer of cells that is ___ and ______.

single; flat; thin; permeable

Simple Squamous Epithelium: What is/are the function(s) of this type of tissue?

rapid diffusion of materials

Simple Squamous Epithelium: Where can this type of tissue be found?

ex: Blood vessels & lung tissue

Simple Cuboidal Epithelium: A ____ layer of ____-shaped cells.

single; cube

Simple Cuboidal Epithelium: What is/are the function(s) of this type of tissue?

secretion & absorption of subtances

Simple Cuboidal Epithelium: Where can this type of tissue be found?

ex: Tissues of the kidney

Simple Columnar Epithelium: A ____ layer of ___, closely packed cells.

single; tall

Simple Columnar Epithelium: These cells have ____ and ____ cells, which secrete ____.

cilia; goblet; mucus

Simple Columnar Epithelium: What is/are the function(s) of this type of tissue?

secretion of mucus, for protection and absorption of substances

Simple Columnar Epithelium: Where can this type of tissue be found?

ex: Lining of the digestive tract

Stratified Squamous Epithelium: This type of tissue is ___ and ____.

thick; layered

Stratified Squamous Epithelium: What is/are the function(s) of this type of tissue?

to provide protection for the underlying layers

Stratified Squamous Epithelium: Where can this type of tissue be found?

ex: Epidermal layer of the skin

Stratified Cuboidal Epithelium: This tissue has more than one layer of _______ cells. It is also ____ in the body.

cuboidal; rare

Stratified Cuboidal Epithelium: What is/are the function(s) of this type of tissue?

provides structural protection and strengthens the walls of large ducts in the body

Stratified Cuboidal Epithelium: Where can this type of tissue be found?

ex: Salivary & mammary glands

Stratified Columnar Epithelium: Free surface is lined with ________ cells. It is also ____ in the body.

columnar; rare

Stratified Columnar Epithelium: What is/are the function(s) of this type of tissue?

provides protection and secretion in specific areas of the body

Stratified Columnar Epithelium: Where can this type of tissue be found?

ex: Larynx & male urethra

Pseudo-Stratified Epithelium: Cell _____ are found at different _____, so it appears stratified, though it is not.

nuclei; levels

Pseudo-Stratified Epithelium: What is/are the function(s) of this type of tissue?

secretion & absorption

Pseudo-Stratified Epithelium: Where is this type of tissue found?

ex: Most of the upper respiratory tract

Transitional Epithelium: The ____ surface of transitional epithelium ____ in appearance based on the _______ of the tissue.

free; vary; stretching

Transitional Epithelium: “Transition” = ?

change shape with elasticity

Transitional Epithelium: Where can this type of tissue be found?

ex: Lining of the urinary bladder

Glandular Epithelium: A _____ is made of a group of cells that ____ a fluid substance.

gland; secrete

Glandular Epithelium: What two ways are gland classified?

Complexity & How substances are secreted

Glandular Epithelium: The “exo” in Exocrine means?

exo = out

Glandular Epithelium: The “endo” in Endocrine means?

endo = into blood

Glandular Epithelium: Exocrine glands secrete substances outward though a _____.

duct

Glandular Epithelium: What substances can be secreted by Exocrine glands?

ex: Oil, milk, sweat

Glandular Epithelium: Endocrine glands are ______ glands that secrete ______ through the ________.

ductless; hormones; bloodstream

Glandular Epithelium: An example of Endocrine glands are?

ex: Thyroid, thymus, adrenal glands, pancreas

Glandular Epithelium: “mero” in Merocrine means?

mero = part

Merocrine: Cells secrete the products via ______.

exocytosis

Merocrine: An example of this is?

ex: Sweat glands

Glandular Epithelium: “apo” in Apocrine means?

apo = tip

Apocrine: A portion of the cell _______ off with the secreted products

pinches

Apocrine: An example of this is?

ex: Mammary glands (lactation/milk production)

Glandular Epithelium: “hol” in Holcrine means?

hol = whole

Holocrine: Cells _____ and ____ _______ into the duct.

rupture; spill products

Holocrine: An example of this is?

ex: Sebaceous (oil) glands in the skin