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Flashcards in Musculo - Anatomy & Physiology Deck (177)
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1

What layer is found directly below the epidermis?

Dermis

2

How many layers are found in the epidermis?

Five

3

What is the name of the most superficial layer of the epidermis?

Stratum corneum

4

What is the name of the deepest layer of the epidermis?

Stratum basalis

5

What layer of the epidermis is found just superficial to the stratum basalis?

Stratum spinosum

6

What layer of the epidermis is found just deep to the stratum corneum?

Stratum lucidum

7

What layer of the epidermis is found between the stratum spinosum and the stratum lucidum?

Stratum granulosum

8

Name the layers of the epidermis from the surface to the base.

Stratum corneum, stratum lucidum, stratum granulosum, stratum spinosum, and stratum basalis (remember: Californians Like Girls in String Bikinis)

9

Which epithelial cell junction prevents diffusion across the paracellular space?

Zona occludens

10

What is another name for the zona occludens?

Tight junctions

11

Which epithelial cell junction surrounds the perimeter just below the zona occludens?

Zona adherens

12

Cadherins depend on what ion for their function?

Calcium

13

Which epithelial cell junctions are small, discrete sites of attachment?

Macula adherens

14

Which epithelial cell junctions allow adjacent cells to communicate for electric and metabolic functions?

Gap junctions

15

Which epithelial cell junction connects cells with the underlying extracellular matrix?

Hemidesmosome

16

The zona occludens is composed of what two substances?

Occludins and claudins

17

The zona adherens contains which kind of filaments?

Actin filaments

18

In the zona adherens, _____ molecules attach to _____ molecules in the cell to form a perimeter just below the zona occludens.

Cadherins; actin

19

Which protein anchors macula adherens within the epithelial cell?

Keratin

20

What is another name for zona adherens?

Intermediate junction

21

What is another name for the macula adherens?

Desmosome

22

Gap junctions are formed from ______ that have a central channel that allow adjacent cells to communicate for electric and metabolic functions.

Connexons

23

A hemidesmosome is formed from ______ in the cell binding to ______ in the basement membrane to keep cells connected to the underlying extracellular matrix.

Integrin; lamin

24

The medial collateral, medial meniscus, and anterior cruciate ligaments are commonly injured when a person plays which sport?

Football

25

The terms anterior and posterior with regard to the cruciate ligaments refer to the sites of ______ attachment.

Tibial

26

The positive anterior drawer sign is an indication of the tearing of which knee ligament?

Anterior cruciate ligament

27

Abnormal passive abduction of the knee indicates that what ligament is torn?

Medial collateral ligament

28

What ligament attaches the lateral condyle of the femur to the anterior aspect of the tibia?

Anterior cruciate ligament

29

What ligament attaches the medial condyle of the femur to the posterior aspect of the tibia?

Posterior cruciate ligament

30

What ligament attaches the medial condyle of the femur to the medial aspect of the tibia?

Medial collateral ligament