lab 3 connective tissue continued Flashcards

Question 1

Q

Elastic Tissue can be found:

Answer

A

ligaments of the vertebral column 
the suspensory ligament of the penis
walls of arteries
pulmonary alveolar septa
vocal cords

Question 2

Q

Weigert’s stains elastic fibers ____

while orcein colors elastic fibers ___

Answer

A

purple or dark blue

red

Question 3

Q

Reticular tissue is characterized by an abundance of ____

Answer

A

reticular fibers

These fibers cannot be distinguished from other collagenous fibers in H&E preparations.

However, reticular fibers are PAS positive (PAS = Periodic Acid-Schiff, a staining method used to detect structures with a high proportion of glycogen or carbohydrate macromolecules).

Question 4

Q

Reticular fibers ____ (PAS = Periodic Acid-Schiff, a staining method used to detect structures with a high proportion of glycogen or carbohydrate macromolecules).

Reticular fibers are also ____ (i.e., contain cells that reduce silver solution to metallic silver, a staining method that is used to identify proteins, like collagen III, i.e. reticular fibers)

Answer

A

PAS positive

argyrophilic

Question 5

Q

reticular fibers can be identified using ___

Answer

A

PAS

silver

Question 6

Q

What organs are supported by a framework of reticular tissue?

Answer

A

kidney

spleen?

Question 7

Q

Adipose Tissue consists of collections of adipocytes in ___ CT.

Question 8

Q

why do adipose tissue look empty?

Answer

A

Adipocytes accumulate large deposits of lipids that are dissolved and extracted during the preparation of the slide, leaving behind a large empty vacuole surrounded by a thin rim of cytoplasm.

Sometimes the flattened nucleus of the adipocyte may be seen

Question 9

Q

he CT of the umbilical cord is an example of ___

Answer

A

mucous tissue

Question 10

Q

the mucous tissue of the umbilical cord, has a ___ consistency and consists of an amorphous matrix containing ____ as well as a few elastic and reticular fibers.