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Human Histology > (P) Lab 1: Cell Orientation > Flashcards

(P) Lab 1: Cell Orientation Flashcards

1
Q

What are the 5 organs examined during the lab orientation?

A
  1. Liver
  2. Spinal Cord
  3. Skeletal Muscle
  4. Compact Bone
  5. Skin Epidermis
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2
Q

What is the parenchyma of the liver?

A

Hepatocytes or liver cells

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3
Q

What is the parenchyma of the spinal cord?

A

Neurons or nerve cells

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4
Q

What is the parenchyma of the skeletal muscle?

A

Myocytes or skeletal muscle cells

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5
Q

What is the parenchyma of compact bone?

A

Osteocytes or bone cells

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6
Q

What is the parenchyma of skin (epidermis)?

A

Keratinocytes

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7
Q

How many nuclei are in hepatocytes?

A

Mononucleated or Binucleated

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8
Q

How many nuclei are in neurons?

A

Mononucleated

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9
Q

How many nuclei are in myocytes?

A

Multinucleated

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10
Q

How many nuclei are in osteocytes?

A

Mononucleated

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11
Q

How many nuclei are in keratinocytes?

A

Mononucleated

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12
Q

Which organ is the only multinucelated one?

A

Skeletal Muscle

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13
Q

Which parenchya is the only multinucelated one?

A

Myocytes or skeletal muscle cells

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14
Q

Which organ can be mononucleated or binucleated?

A

Liver

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15
Q

Which parenchyma can be mononucleated or binucleated?

A

Hepatocytes or Liver cells

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16
Q

What is the location of the nucleus in hepatocytes?

A

Central

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17
Q

What is the location of the nucleus in myocytes?

A

Peripheral

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18
Q

What is the location of the nucleus in neurons?

A

Central

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19
Q

What is the location of the nucleus in osteocytes?

A

Central

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20
Q

What is the location of the nucleus in keratinocytes?

A

Central

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21
Q

What organ has their nuclei peripherally located?

A

Skeletal Muscle

22
Q

What parenchyma has their nuclei peripherally located?

A

Myocytes or Skeletal Muscle Cells

23
Q

What is the cell shape of hepatocytes?

A

Polygonal OR polyhedral

24
Q

What is the cell shape of myocytes?

A

Elongated with blunt ends OR cylindrical with blunt ends

25
Q

What is the cell shape of neurons?

A

Stellate

26
Q

What is the cell shape of osteocytes?

A

Almond with projections

27
Q

What is the cell shape of keratinocytes?

A

Flat OR squamous

28
Q

What is the arrangement of hepatocytes?

A

In rows, cords, or chains

29
Q

What is the arrangement of myocytes?

A

In bundles or fascicles

30
Q

What is the arrangement of neurons?

A

Haphazard or random

31
Q

What is the arrangement of osteocytes?

A

Concetric

32
Q

What is the arrangement of keratinocytes?

A

In layers or sheets

33
Q

What does the liver, bone, spinal cord, and skin have in common in terms of nuclei location?

A

All are centrally located

34
Q

What organ is uniquely multinucleated and has their nuclei peripherally located?

A

Skeletal Muscle

35
Q

What does the liver, bone, spinal cord, and skin have in common in terms of the number of nuclei?

A

All can be mononucleated

*with the exemption of the liver since it can be BINUCLEATED

36
Q

What radiates from the liver’s central veins?

A

Hepatocytes or liver cells

37
Q

The liver is divided into ______ and at the center of these lies the central vein

A

Lobules

38
Q

What is found at the center of each lobule of the liver?

A

Central vein

39
Q

These are spaces between the liver cells that contain mixed blood

A

Hepatic sinusoids

40
Q

This is the connective tissue that surrounds a bundle of muscle fibers

A

Perimysium

41
Q

Each muscle cell is enveloped by a loose collagenous tissue known as _______

A

Endomysium

42
Q

What capillary supplies the muscle?

A

Continuous capillary

43
Q

The entire muscle cell is surrounded by a dense connective tissue known as ________

A

Epimysium

44
Q

The spinal cord is divided into _______ and _______

A

White matter and Gray matter

45
Q

In which matter are the neurons located?

A

Gray matter

46
Q

The distinct nucleolus at the center of the neuron gives it what kind of appearance?

A

Fish eye appearance

47
Q

What kind of capillaries are found scattered within the gray matter?

A

Continuous capillaries

48
Q

What is found at the center of the osteon?

A

Haversian canal

49
Q

Refers to the concentrically-arranged bony lamellae in an osteocyte?

A

Osteon

50
Q

This part in an osteon is where the osteocytes are found; the Haversian canal is surrounded by concentric lamellae where these are found

A

Lacuna

*Osteocytes are found in the lacuna and lacunae are found in an osteon (osteocytes < lacunae < osteon)

51
Q

Osteocytes possess fine cytoplasmic processes that insert themselves in the bone’s _______

A

Canaliculi (small passageway)

Human Histology (26 decks)

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