Lab Practical: Epithelial Tissue Flashcards


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1
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Identify the type of epithelial tissue

State the function/location

Simple Columnar Epithelium

A single layer of column-shaped cells,

Found in the digestive tract and excretory ducts of some glands.

Ciliated columnar cells line the fallopian tubes, bronchi, and spinal cord.

Basal nuclei are oval in cross section

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What is the arrow pointing to?

The Goblet cells which secrete mucus

located in the simple columnar epithelium

3
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Identify the type of epithelial tissue

State the function/location

Stratified Squamous Epithelial

Found in the skin (epidermis)

Found in the vaginal, oral, and anal canal (friction)

4
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What is the arrow pointing to?

Stratum Granolusum

it produces keratin (H2O proof) and melanin (protects from sun)

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What are the general layers of the skin?

Epidermis:

S. Corneum (Apical Surface)

S. lucidum

S. granulosum

S. spinosum

S. basale (Basal Surface)

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Identify epithelial tissue

State location and function

Simple Cuboidal Tissue

A single layer of cube-shaped cells, with central spherical nuclei.

Found in Kidney Tubules, ducts of glands and surface of the ovary.

Excretion and Secretion

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Identify epithelial tissue

State location and function

Simple Columnar Epithelium.

The arrow points to the apical surface

Found in the GI tract

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Identify the tissue

Identify Arrow 1 & 2

Identify Red line

Stratified Squamous

Arrow 1: Epithelial Tissue

Arrow 2: Connective Tissue

Redline: Basement Membrane

Epithelial tissue lies on the Basement membrane and under is the Connective tissue.

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Identify epithelial tissue

State location and function

Pseudostratified Columnar Epithelium

Found in the trachea, the lining of the respiratory tract, and ducts of some glands

Protects much of the respiratory system

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Identify epithelial tissue

State location and function

Identify # 1, 2, 3

Transitional Epithelium

Located in the urinary bladder

Look like stratified squamous epi. when stretched and stratified cuboidal when relaxed.

1: Epithelial Tissue

2: Basement Membrane

3. Connective Tissue

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identify epithelial tissue

State location and function

Simple Squamous

Found in lungs and kidneys

Function is: exchange of materials

12
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Identify the tissue indicated by the letter A.

Simple Squamous Epithelium

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Identify the structure that is also indicated by the letter A.

Glomerular Capsule

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Identify the structure indicated by the yellow star

Glomerulus; bundles of capillaries surrounded by the glomerular capsule

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What occurs at the structure indicated by the yellow star

Filtration of blood

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Identify the tissue indicated by the letter B.

Simple Cuboidal Epithelium

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The red star is in the lumen of what structure?

Renal Tubule

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What liquid is found in the lumen indicated by the red star?

Filtrate

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What organ is this slide from?

Kidney

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Identify the tissue indicated by the letter A.

Simple Squamous Epithelium

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identify the structure that is also indicated by the letter A.

Aveolus

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What organ is this slide from?

Lung

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Identify the tissue indicated by the letter A.

Simple Cuboidal Epithelium

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What is the function of this tissue?

Absorption and Secretion

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Identify the structure indicated by the green ring.

Renal Tubule

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What organ is this slide

Kidney

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Identify the tissue indicated by the letter A.

Simple Columnar Epithelium

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What is the function of this tissue

Absorption & Secretion

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What accounts for the fuzziness adjacent to the red star?

Microvilli

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What is the function of the structure from the previous question?

Increase Surface Area for more secretion and absorption

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What would be found in the lumen indicated by the red star?

Chyme

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What organ is this slide from?

small intestine

33
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Identify the tissue type indicated by the letter A.

Pseudostratified Columnar Epithelium

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Do all the cells in this tissue type touch the basement membrane?

yes

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What specific structures are indicated by the black arrows?

Cilia

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What is their function?

upward sweeping of mucus

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identify the cell indicated by the red star.

Goblet cell

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What is the function of the cell indicated by the red star.

Secrete mucus

39
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What organ is this slide from?

Trachea

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Identify the skin layer indicated by the letter A.

epidermis

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Identify the tissue indicated by the letter A.

stratified squamous epithelium

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Identify the skin layer indicated by the letter B.

Dermis

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Is this a model of thin skin or thick skin?

thin skin

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What specific structure is indicated by the green star?

Sebaceous gland

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What part of the skin lacks the structures indicated by the green star?

anterior hands and plantar surfaces (thick skin; palms and soles)

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What is the function of the structure indicated by the green star?

Secretion of sebum - a moisturizing oil

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Identify the specific structure indicated by the red star.

Merocrine sweat gland

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What is the function of the structure indicated by the red star.

Secrete sweat to lower body temperature

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Where are red star structures found?

all over the skin

50
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Identify the specific structure indicated by the purple star.

apocrine sweat gland

51
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What is the function of the structure indicated by the purple star?

none

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Where are purple star structures found?

Primarily axillary, pubic, and anal regions

53
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Identify the epidermal layer indicated by the letter A.

Stratum corneum

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Identify the epidermal layer indicated by the red arrow

Stratum basale

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Identify the epidermal layer indicated by the black arrow.

Stratum granulosum

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Identify the epidermal layer indicated by the blue arrow.

Stratum spinosum

57
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Identify the epidermal layer indicated by the green arrow.

Stratum lucidum

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Identify the epidermal layer that is absent in thin skin.

Stratum lucidum

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Identify the epidermal layer indicated by the black star.

Stratum corneum

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Identify the epidermal layer indicated by the green arrow.

Stratum Basale

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Identify the epidermal layer indicated by the blue arrow.

Stratum granulosum

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Identify the epidermal layer indicated by the yellow star

Stratum spinosum

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Identify the tissue

Transitional Epithelium

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What is awesome about the above tissue?

it can stretch alot

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What organ contains the above tissue?

urinary bladder

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Identify the tissue indicated with the D.

Stratified Cuboidal Epithelium

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What organ is indicated with the D?

Duct of a sweat gland