(P) Lab 1: Cell Orientation

Question 1

What are the 5 organs examined during the lab orientation?

Answer 1

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

Question 2

What is the parenchyma of the liver?

Answer 2

Hepatocytes or liver cells

Question 3

What is the parenchyma of the spinal cord?

Answer 3

Neurons or nerve cells

Question 4

What is the parenchyma of the skeletal muscle?

Answer 4

Myocytes or skeletal muscle cells

Question 5

What is the parenchyma of compact bone?

Answer 5

Osteocytes or bone cells

Question 6

What is the parenchyma of skin (epidermis)?

Answer 6

Keratinocytes

Question 7

How many nuclei are in hepatocytes?

Answer 7

Mononucleated or Binucleated

Question 8

How many nuclei are in neurons?

Answer 8

Mononucleated

Question 9

How many nuclei are in myocytes?

Answer 9

Multinucleated

Question 10

How many nuclei are in osteocytes?

Answer 10

Mononucleated

Question 11

How many nuclei are in keratinocytes?

Answer 11

Mononucleated

Question 12

Which organ is the only multinucelated one?

Answer 12

Skeletal Muscle

Question 13

Which parenchya is the only multinucelated one?

Answer 13

Myocytes or skeletal muscle cells

Question 14

Which organ can be mononucleated or binucleated?

Answer 14

Liver

Question 15

Which parenchyma can be mononucleated or binucleated?

Answer 15

Hepatocytes or Liver cells

Question 16

What is the location of the nucleus in hepatocytes?

Answer 16

Central

Question 17

What is the location of the nucleus in myocytes?

Answer 17

Peripheral

Question 18

What is the location of the nucleus in neurons?

Answer 18

Central

Question 19

What is the location of the nucleus in osteocytes?

Answer 19

Central

Question 20

What is the location of the nucleus in keratinocytes?

Answer 20

Central

Question 21

What organ has their nuclei peripherally located?

Answer 21

Skeletal Muscle

Question 22

What parenchyma has their nuclei peripherally located?

Answer 22

Myocytes or Skeletal Muscle Cells

Question 23

What is the cell shape of hepatocytes?

Answer 23

Polygonal OR polyhedral

Question 24

What is the cell shape of myocytes?

Answer 24

Elongated with blunt ends OR cylindrical with blunt ends

Question 25

What is the cell shape of neurons?

Answer 25

Stellate

Question 26

What is the cell shape of osteocytes?

Answer 26

Almond with projections

Question 27

What is the cell shape of keratinocytes?

Answer 27

Flat OR squamous

Question 28

What is the arrangement of hepatocytes?

Answer 28

In rows, cords, or chains

Question 29

What is the arrangement of myocytes?

Answer 29

In bundles or fascicles

Question 30

What is the arrangement of neurons?

Answer 30

Haphazard or random

Question 31

What is the arrangement of osteocytes?

Answer 31

Concetric

Question 32

What is the arrangement of keratinocytes?

Answer 32

In layers or sheets

Question 33

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

Answer 33

All are centrally located

Question 34

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

Answer 34

Skeletal Muscle

Question 35

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

Answer 35

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

Question 36

What radiates from the liver's central veins?

Answer 36

Hepatocytes or liver cells

Question 37

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

Answer 37

Lobules

Question 38

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

Answer 38

Central vein

Question 39

These are spaces between the liver cells that contain mixed blood

Answer 39

Hepatic sinusoids

Question 40

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

Answer 40

Perimysium

Question 41

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

Answer 41

Endomysium

Question 42

What capillary supplies the muscle?

Answer 42

Continuous capillary

Question 43

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

Answer 43

Epimysium

Question 44

The spinal cord is divided into _______ and _______

Answer 44

White matter and Gray matter

Question 45

In which matter are the neurons located?

Answer 45

Gray matter

Question 46

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

Answer 46

Fish eye appearance

Question 47

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

Answer 47

Continuous capillaries

Question 48

What is found at the center of the osteon?

Answer 48

Haversian canal

Question 49

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

Answer 49

Osteon

Question 50

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

Answer 50

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

Question 51

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

Answer 51

Canaliculi (small passageway)