Histology theory part 1

Question 1

Hematoxilin

Answer 1

Basophilic, stains acidic purple

Question 2

Eosin

Answer 2

Acidopilic, stains basic pink, cytoplasm

Question 3

Layers of hyalin cartilage

Answer 3

Tangential, transitional, radial + calcificated cartilage, bone

Question 4

Covers cartilage

Answer 4

Perichondirum, dense irregular connective tissue

Question 5

Inside hyalin cartilage, derived from

Answer 5

chondrocytes, mesenchymal cells

Question 6

Chondrocytes in clusters

Answer 6

Chondron (in lacunea)

Question 7

The matrix inside the chondron is called, between is called

Answer 7

territorial matrix, interterritorial matrix.

Question 8

Fibers in hyalin cartilage

Answer 8

Type 2, made by chondrocytes

Question 9

Tendocytes are..

Answer 9

Fibrocytes in tendons

Question 10

Fibrocytes are …

Answer 10

inactive fibroblasts

Question 11

Are there perichondrium covering fibrocartilage?

Answer 11

No

Question 12

Differences between hyalin cart. and fibrocart

Answer 12

Type 1 and 3, not 2. Less ground substance, hyalin stains more basophilic,

Question 13

Endosteum

Answer 13

Seperates bone marrow and spicules

Question 14

Red bone marrow is composed of

Answer 14

reticular cells and a network of reticular fibers, to suport the hematopoietic stem cells (give rise to blood cells), adipocytes, megakaryocytes

Question 15

Megakaryocytes does…

Answer 15

platelets formation, (large cells, basophilic granules)

Question 16

Type of epithelium in gall bladder

Answer 16

simple columnar (wall), simple cuboidal (extretory ducts)

Question 17

When looking at pancreas we look for, stained

Answer 17

Blood vessels, capillaries, toluidine blue

Question 18

Toludine blue stains

Answer 18

Carbohydrates

Question 19

Layers in capillaries

Answer 19

• Tunica intima (endothelium)

- Tunica adventitia (pericyte)

Question 20

We can find str. columnar. non-kera. epi?

Answer 20

Esophagus (HE)

Question 21

Layers of str. columnar. non-kera. epi

Answer 21

P (stratum planocellulare)
S (stratum spinosum)
B (stratum basale)

Question 22

Tissue surrounding adipocytes

Answer 22

small vessels, fibrocytes, reticular fibers

Question 23

Brown adipocytes located, charactarized by, function

Answer 23

loose connective tissue surroing esophagus, mitochondra and fat droplets, thermogenic regulation

Question 24

Cytoplasm of smooth muscle stained

Answer 24

eosinophilic

Question 25

Stratum granulosum has protein..

Answer 25

Keratohyalin

Question 26

Papillary layer

Answer 26

First layer of dermis, fibro-elastic connective tissue

Question 27

Reticular layer

Answer 27

Second layer of dermis, dense irregular connective tissue

Question 28

Reticular fibers collagen type, can be found in

Answer 28

type 3, liver, bone marrow, lymphatic system

Question 29

Areolar connective tissue

Answer 29

Loose connective tissue, includes papillary and tissue underlying it

Question 30

The cells of connective tissue include..

Answer 30

The cells of connective tissue include fibroblasts, adipocytes, macrophages, mast cells and leucocytes.

Question 31

Four types of tissue

Answer 31

Nevous, connective, muscle and epithelium

Question 32

Lower part of dermis

Answer 32

Dense irregular connective tissue

Question 33

Tree types of glands

Answer 33

Holocrine, apocrine, merocrine

Question 34

Sturucture of arteries

Answer 34

- tunica intima (endothelium + basement layer, subendothelium, internal elstic lamina) - tunica media - tunica adventitia

Question 35

Verhoeff’s elastic stain contains

Answer 35

hematoxillin, ferric chloride and iodine.

Question 36

PAS-H is...

Answer 36

Periodic Acid-­‐Schiff +H

Question 37

PAS-H stains

Answer 37

Stains the glycogen and other carbohydrates magenta. Collagen fibers pink. Nucleus blue.

Question 38

Mucous acini is staind by PAS-H

Answer 38

Magenta (dark)

Question 39

Serous acini is stain by PAS-H

Answer 39

Magneta (light)

Question 40

Mucous acini is staind by HE

Answer 40

Pink (light)

Question 41

Serous acini is stain by HE

Answer 41

Pink (dark)

Question 42

Mixed sero-­‐mucous units:

Answer 42

Demilune of gianuzzi

Question 43

Tree parts of hair follicle

Answer 43

A central medulla, or core (not seen in fine hairs), keratinised cortex, highly keratinised (thin hard cuticle)

Question 44

Mucoid tissue in the umbilical cord, composed of, surrouing it

Answer 44

Wharton's jelly (mesenchyme), hydrated | glycosaminoglycans, small amount of collagen fibers and fibroblasts. Amniotic epithelial cells