Histology Practical 2.0

Question 1

Answer 1

Question 2

Answer 2

Question 3

Answer 3

Question 4

Answer 4

Question 5

Answer 5

Question 6

Answer 6

a. Lymph node -Yellow triangle: capsule
b. -Black arrow: subcapsular sinus
c. -Letter A: lymphatic follicle
d. -Letter B: cortex

Question 7

Answer 7

a. Secondary follicle
b. Green star: medulla
c. Lymph node

Question 8

Answer 8

a.This is a section in → lymph node.
b.The yellow arrow points to → capsule.
c. The space pointed to by black arrow is →
subcapsular sinus while that pointed to by the
red arrow is → trabecular sinus.
d.Blue arrow points to → a trabecula.
e.Blue line traverses → cortex while the yellow
one traverses → medulla.
f. Green circle surrounds → a secondary follicle.
g.Letters A, B & G denote → medullary cords ,
medullary sinuses & germinal center.

Question 9

Answer 9

a. This is a section in → spleen.
b. Red arrow points to → capsule.
c. Blue circle surrounds → white pulp
d. Green arrow points to → central arteriole.
e. Numbers denote:
1- germinal center,
2- follicular zone,
3-marginal zone,
4- Thymus dependent zone,
5- central arteriole ,
7- Trabeculae.
6- red pulp

Question 10

Answer 10

a. This is a section in → Thymus.
b. The black arrow points to C.T. → capsule while the yellow one
points to C.T. → trabecula
c. Red line traverses → cortex while green one traverses → medulla.
d. Blue circle surrounds Hassall’s corpuscle & cells outside the circle
are T- lymphocytes.

Question 11

Answer 11

a.This is a section in tonsil.
b.Epithelium pointed to by blue arrow is non keratinized
stratified squamous.
c. Red arrow lies in the crypt.
d.Black arrow points to mucus glands & yellow arrow
points to capsule.
e.Red circle surrounds a lymphatic follicle & Green star
marks diffuse lymphatic tissue.

Question 12

Answer 12

-Yellow arrow: crypt
-Red arrow: non-keratinized stratified
squamous epithelium

Question 13

Answer 13

• Trachea
• 1: Epithelium (pseudostratified columnar
  ciliated epithelium with goblet cells)
  2: Perichondrium
  3: Hyaline cartilage

Question 14

Answer 14

1. Adult lung
2. Alveolar space
3. Alveoli
4. Interalveolar septum

Question 15

Answer 15

A. Trachea
B. Pseudostratified columnar ciliated epithelium
with goblet cells & motile cilia
C. - Submucosa
- mucous & serous glands
D. Fibrocartilaginous coat

Question 16

Answer 16

1. Adult lung
2. Intrapulmonary bronchus
3. Black arrow: Pseudostratified columnar ciliated
   epithelium with goblet cells &
   motile cilia
   Blue arrow: smooth muscle fibers
   Red arrow: cartilage plate
   Green arrow: alveoli

Question 17

Answer 17

1. Adult lung
2. A bronchiole
3. Smooth muscle fibers
4. Simple columnar ciliated epithelium
   with Clara cells

Question 18

Answer 18

A. Adult lung
B.
1: Terminal bronchiole
2: Respiratory bronchiole
3: Alveolar duct
4: Alveolar sac

Question 19

Answer 19

A. Pneumocyte type I
B. Pneumocyte type II
C. Alveolar macrophage
D. Blood capillary

Question 20

Answer 20

• Aorta , Orcein
• 1: tunica intima
  2: tunica media
  3: tunica adventitia

Question 21

Answer 21

A) Aorta
B) Any one visible feature as presence of
numerous elastic fibers, thick wall, …..
C) Blue line: The tunica media
Green line: The tunica adventitia
D) Yellow arrow: tunica intima
Black arrow: Vasa vasorum

Question 22

Answer 22

A) Aorta
B) Orcein – elastic fibers
C) Yellow arrow: tunica intima
D) Blue line: Tunica media
Red arrows: Elastic fibers

Question 23

Answer 23

A: - Medium sized artery
thick wall
B: Medium sized vein
Thin wall

Question 24

Answer 24

• Medium sized artery
• Internal elastic lamina
• 1: tunica media
  2: tunica adventitia

Question 25

Answer 25

A) Medium sized vein B) Thin wall C) Black line: The tunica media D) Yellow line: The tunica adventitia

Question 26

Answer 26

A) Medium sized artery B) thick wall C) Black line: The tunica media D) Black arrow: Tunica intima Yellow arrow: Internal elastic lamina Green arrow: nucleus of smooth muscle fiber Blue arrow: elastic fiber

Question 27

Answer 27

A-Medium sized artery B- 1: Tunica media C- 2: Tunica adventitia D- Black arrow: external elastic lamina Blue arrow: internal elastic lamina

Question 28

Answer 28

Lymph node

Question 29

Answer 29

A) Aorta B) Any one visible feature as presence of numerous elastic fibers, thick wall, ….. C) Blue line: The tunica media Green line: The tunica adventitia D) Yellow arrow: endothelium (or tunica intima) Black arrow: Vasa vasorum

Question 30

Answer 30

A) Aorta B) Orcein – elastic fibers C) Yellow arrow: endothelium (or tunica intima) D) Blue line: Tunica media Red arrows: Elastic fibers

Question 31

Answer 31

Lymph node

Question 32

Answer 32

palatine tonsil

Question 33

Answer 33

Spleen

Question 34

Answer 34

Spleen

Question 35

Answer 35

Thymus

Question 36

Answer 36

Trachea

Question 37

Answer 37

Trachea

Question 38

Answer 38

Lung

Question 39

Answer 39

Aorta

Question 40

Answer 40

Medium sized artert

Question 41

Answer 41

Medium sized vein

Question 42

Answer 42

Spleen

Question 43

Answer 43

Palatine tonsil

Question 44

Answer 44

Cardiac muscle and valves

Question 45

Answer 45

Trachea

Question 46

Answer 46

Medullary cords and sinuses

Question 47

Answer 47

Thymus