Department Images 53-97 (Dustin)

Question 1

What tissue is this? How is it arranged?

Answer 1

Smooth Muscle, Longitudinal Section

Nuclei appear longer in longitudinal sections, don’t mix up with tendon! These SMC’s are more strongly stained and the nuclei don’t run in such clear lines as they do in the tendon

Question 2

What is the slide of? How was the tissue cut?

Answer 2

Smooth muscle cells in cross section

Question 3

What type of tissue is this?

What type of section?

Answer 3

Striated Muscle

Longitudinal Section

Question 4

What tissue is this?

(Unusual stain, not part of normal slides)

Answer 4

Striated muscle, longitudinal section

Iron Hematoxylin stain

Question 5

What tissue is this?

How was the section cut?

Answer 5

Striated Muscle

Cross section

Question 6

What type of tissue?

How was the section cut?

What are some of the important distinguishing features? (labeled on image of answer)

Answer 6

Cardiac Muscle

Longitudinal Section

Question 7

What tissue is this?

Answer 7

Cardiac Muscle

Question 8

What type of tissue?

What layer of the tissue is shown?

What stain?

Answer 8

Elastic Artery

Elastic fibers of Tunica Media are shown

with Resorcin Fuchin stain

Question 9

What type of tissue?

Answer 9

Elastic artery

Question 10

What’s the structure on the top right?

And the one on the bottom left?

Answer 10

Top right = muscular artery

Bottom left = vein

Question 11

What’s the structure on the top?

What stain?

Answer 11

Muscular artery

-has internal and external elastic membranes

Resorcin Fuchsin stain

Question 12

What structure is this?

What stain?

(not normal slide)

Answer 12

Muscular artery

Iron Hematoxylin

Question 13

What type of structure is this?

Answer 13

Muscular Venous Plexus (Pampiniform)

Question 14

What do you see in the middle of this image?

Answer 14

Venules,

including a longitudinal section of the vessel wall

Question 15

1?

2?

3?

Answer 15

1: Arteriole
2: Venule
3: Capillary

Question 16

There are capillaries, arterioles, and venules here. Find them!

Answer 16

Not gonna label all these myself

Question 17

What structure is this between the two blood vessels?

Answer 17

Carotid Glomus (Glomus Caroticum)

Wasn’t in the histo classes as far as I remember, but who knows what they’ll do for competition

Question 18

What are the two non-RBC cells in this image?

What stain?

Answer 18

The paler top one is a neutrophil

Below that is an eosinophilic granulocyte

Stain is Pappenheim blood smear

Question 19

What are the 3 non-RBC cells in this picture?

Answer 19

Top one is neutrophil

Below that is basophil

Bottom right is lymphocyte

Question 20

What is the non-RBC in the picture?

Answer 20

Monocyte

Question 21

What two non-RBC cells are seen in this image?

Answer 21

Lymphocytes

the smallest WBC’s, they can be around the same size as an RBC (6 to 8 micrometers) to almost twice as large (11-12 micrometers)

Question 22

What tissue is here?

(not a typical department slide)

Answer 22

Bone Marrow

Question 23

What organ is this?

What stain?

Answer 23

Lymph Node

Azan

Question 24

What organ is this?

What stain?

(not a typical department thing, can probably forget it..)

Answer 24

Lymph Node

Silver stain, showing fibers

Question 25

What organ is this? What is the lighter-colored region to the right? What is the general darker region to the left of that?

Answer 25

**Lymph Node** To right is the **capsule** Darker region is **cortex** with **follicles**

Question 26

This is the **lymph node** The dark cluster of cells in the middle and top is the **cortex** Towards the bottom of the image you can see a **capsule** What is the _paler region between the cortex and capsule_?

Answer 26

The **marginal sinus** Image has it labeled as subcapsular

Question 27

This is in the **lymph node** What _general region_ of the node is this?

Answer 27

The **Medulla** has plasma cells, macrophages and B-lymphocytes

Question 28

What organ is this?

Answer 28

**Spleen** - has lymph follicles and a capsule - does not have distinct cortex/medulla structure as in lymph nodes - does not have pits, muscle and adipose tissue as in tonsils

Question 29

This is the **spleen** What stain is this? What are the empty spaces called?

Answer 29

**Washed spleen** What looks like empty spaces are **sinusoids**

Question 30

What organ is this?

Answer 30

**Thymus** Lobules Hassall's Corpuscles

Question 31

What is the pale-pinkish structure in the middle? What organ is this?

Answer 31

**Hassal's Corpuscle** **Thymus**

Question 32

What organ is this?

Answer 32

**Lingual Tonsil** lingual tonsil * shallow, wide crypts * visible skeletal muscle, mucous acini, adipose tissue palatine tonsil * deep, narrow, branching crypts * surrounded by capsule

Question 33

What tissue is this? What section? What are the round globs with sort of a star-shaped darker region?

Answer 33

**Cardiac Muscle Cross-Section** Round Globs = **Purkinje Fibers**

Question 34

What type of tissue is this? What section?

Answer 34

Cardiac Muscle Cross-section

Question 35

Which tissue is this?

Answer 35

**Palatine Tonsil** lingual tonsil * shallow, wide crypts * visible skeletal muscle, mucous acini, adipose tissue palatine tonsil * deep, narrow, branching crypts * surrounded by capsule

Question 36

Where is this tissue from?

Answer 36

**Vermillion Border / Rubor Labii** (Highly vascular part of the lip where keratinized epithelium becomes non-keratinized)

Question 37

What type of papillae do you see here?

Answer 37

The big one is **Fungiform** The other smaller ones are **Filiform**

Question 38

What type of papillae?

Answer 38

**Foliate Papillae**

Question 39

What type of papilla do you see? Be able to identify several things, labeled in answer

Answer 39

**Circumvallate Papilla**

Question 40

What is the structure in the middle of the image that is paler and embedded in the outer layer of the organ?

Answer 40

**Taste Bud**

Question 41

What tissue is this? Be able to label many things, some of which are on the answer slide

Answer 41

**Developing Tooth** (in Cap Stage) The _Tooth Germ_ = enamal organ + dental papilla + dental sac

Question 42

What tissue is this? What stain? Be able to identify many things, some of which are labeled on answer image

Answer 42

**Developing Tooth, Azan** Be able to identify everything in answer image, including: stellate retinaculum red layer = enamel blue layer = dentin layer below dentin = odontoblasts below that = dental papilla