ANAT 261 Lecture : Lab 7. Respiratory System.doc

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peachdeer29

15 Mar 2012

School

McGill University

Department

Anatomy & Cell Biology

Course

ANAT 261

Professor

Jason Young

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Document Summary

Parts of the three respiratory zones that will be seen in lab: conducting, trachea. *simple ciliated columnar epithelium: bronchiole terminal. *simple ciliated columnar epithelium with clara cells: transitional, bronchiole respiratory. *discontinuous cuboidal epithelium with clara cells: respiratory, alveolar duct. Pneumocyte type i: small, squamous cell on alveolar lumen. Pneumocyte type ii: larger than type i; big, irregular nucleus, secretes surfactant. Alveolar macrophage: large cell with irregular nucleus, can be free or fixed in the alveolar wall. Capillary endothelial cell: shares bm with pneumocyte type i. What you should look for in the lab:

Related Questions

1.Because it is a thin tissue made of a single layer offlattened cells, many substances diffuse easily across simplesquamous epithelium. give two structures or organs that are linedwith simple squamous epithelium.

2.simple and pseudostratified columnar epithelium may containgoblet cells. what are golblet cells and what is their function

3.columnar cdells may have ciliated apical surfaces, what arecilia and what is their function

4.what features makes stratified squamous epithelium well suitedfor lining structures that are subject to abraision or wear andtear

5.what are common characteristics of connectie tissue

6.what suffix indicates an immature cell? a mature cell?

7.is areolar connective tissue classifie as a loose or denseconnective tissue? why?

8.what protein fiber type is found in dense regular connectivetissue?

9. tendons and ligaments are structures formed of dense reuglarconnective tissue. what are the functions of tendonds andligaments.

10.how does the arrangment of protein fibers differ whencomparing dense regular and dense irregular connective tissue

magentamink596

1..Some ducts are formed by two layers of cells. In one duct, the apical cell (closest to the lumen, adluminal) are "taller than wide" and the basal cells (farther from lumen, abluminal) are "as tall as they are wide" Another way to describe this epithelium would be to state:

Simple columnar epithelium

Stratified squamous epithelium

Simple squamous epithelium

Simple transitional epithelium

Simple cuboidal epithelium

Stratified cuboidal epithelium

Stratified columnar epithelium

2..Acne (e.g. Acne vulgaris) accounts for approximately 10-15% of all dermatological appointments. This disease is commonly caused by bacterial overgrowth on secreted 'oil.' This disease is related to oil glands which are:(SELECT ANY STATEMENTS THAT ARE APPROPRIATE.)

exocrine glands

ceruminous glands

sebaceous glands

endocrine glands

sudoriferous glands

3. You see a patient complaining of coughing and they report a history of pneumonia. Reading the patientâs history further, you notice they have been diagnosed with cystic fibrosis. Essentially, their mucus is thick and very âstickyâ because they can not secrete adequate water with the mucus. Since many areas of the body produce sticky mucus, you expect _______ (epithelia) to be the primary tissue involved with the patientâs inability to absorb digested nutrients and secrete watery mucus.

Simple squamous

Stratified squamous

Simple columnar

Transitional

Simple cuboidal

pseudostratified columnar epithelium function

byzantiumspider175

ANAT 261 Lecture : Lab 7. Respiratory System.doc

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