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Anat/Physio > Organization of the Body > Flashcards

Organization of the Body Flashcards

1
Q

What are the Levels of Cellular Organization

A
  1. Cells
  2. Tissues
  3. Organs
  4. Organ Systems
  5. Organism
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2
Q

What can the “Cell” level be broken down to in regards to Orginization?

A
  1. Cell division & Growth
  2. Cell Differentiation
  3. Specialized Cell Types
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3
Q

What are the 4 Primary Cell Types?

A

Connective, Epithelial, Neuron, Muscle

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4
Q

What is tissue?

A

Group of similar cells that perform a similar function

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5
Q

What is another name for “organ”?

A

Viscera

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6
Q

What is Histology?

A

The study of tissues and how they are arranged to constitute organs

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7
Q

What are the 4 Fundamental Tissue Types?

A

Connective, Muscle, Epithelial, Nervous

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8
Q

What are the Types of Connective Tissue?

A

Adipose (fat), Cartilage, Bone, Vascular (blood vessels), Organs

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9
Q

What are the parts of the Neuron?

A

Cell Body (SOMA), Dendrites (receives signals), Axon (Transfers signal to other cells and organs), Myelin Sheath (Increases speed of signal), Node of Ranvier (Allows diffusion of ions), Schwann Cell (produces myelin sheath) Axon Terminal (Forms Junctions with other cells)

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10
Q

What are the Types of Muscle Tissue?

A

Skeletal, Cardiac, Smooth

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11
Q

Is Smooth Muscle Voluntary or Involuntary?

A

Involuntary

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12
Q

Is Skeletal muscle Voluntary or Involuntary?

A

Voluntary

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13
Q

Is Cardiac muscle Voluntary or Involuntary?

A

Involuntary

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14
Q

Cardiac and Smooth muscle belong to which system?

A

Autonomic Nervous System

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15
Q

Another name for Cell-Cell Attachments is what?

A

Intercellular Junctions

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16
Q

What are the 3 Intercellular Junctions?

A

Tight, Gap, Desmosomes

17
Q

What type of Junction leaves very little space between cells and whose transmembrane proteins fuse the outer surfaces of cells together?

A

Tight Junction

18
Q

What could compromise a Tight Junction?

19
Q

What are Cadherins?

A

Transmembrane glycoproteins

20
Q

Which Junction: is very strong, is resistant to friction and stress, and is found in skin and cardiac muscle?

A

Desmosomes

21
Q

What is plaque?

A

A dense layer of proteins

22
Q

Which Junction is like a passageway?

A

Gap Junction

23
Q

What is the function of Connexins?

A

To connect cells

24
Q

What are connexins?

A

Transmembrane proteins that form fluid-filled tunnels in Gap Junctions

25
Q

What do Gap Junctions do?

A

Allow movement of ions and small molecules from one cell to the next

Anat/Physio (23 decks)

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