Hiisto week 2 (lectures 3&4, epithelial & fibroblastic connective tissue)

What is this?

Tongue

What is this?

Capillary

What is this?

Intestine

What is this?

Salivary duct

What is this?

Lung

What is this?

Blood vessel

What is this?

Intestine

What is this?

Intestine

What is this?

Liver

What is this?

Stomach

What are A, B, and C?

A: lateral surface, cell to cell adhesion

B: Apical surface, faces open space

C: basal surface, cell anchored to basement membrane

What are A and B?

What are the arrows?

trachea, Kidney

Basement membrane

What is this?

What is in the circled region?

Lamina propria

Connective tissue

What is in the circled region?

Golgi zone

What are 1 and 2?

1: Apical side

2: Basolateral side

What are A, B, and C?

A: tight junction

B: Zonula adherents (adhering junctions)

C: Desmosomes (gap junction)

What is this?

Tight junction

What is this?

Anchoring junctions desmosomes

What is this?

Hemidesmosomes

What is this?

Hemidesmosomes

What is this?

Desmosomes

What is this?

Zonala adherens

What is this?

Zonula adherens

What is this?

Gap junctions

What is this?

Gap junctions

What is this?

Focal adhesions

What is this?

Focal adhesions

What epithelial cell shape is this?

Squamous

What epithelial cell shape is this?

Cuboidal

What epithelial cell shape is this?

Columnar

What epithelial type is this?

Simple

What epithelial type is this?

Stratified

What epithelial type is this?

Pseudostratified

What is this?

Simple squamous epithelia, capillary

What is this?

Simple squamous, Glisson’s Capsule of liver (mesothelium)

What is this?

Endothelial cells of inner surface of blood vessel

What epithelial type is this?

Simple cuboidal

What is this?

External surface of ovary, simple cuboidal

What is this?

Cross section of renal tubules, simple cuboidal

What epithelial type is this?

Simple columnar

What is this?

Intestinal enterocytes, simple columnar

What is this?

Striated salivary duct, simple columnar

What epithelial type is the?

Pseudostratified

What is this?

Cilia structure

What are A, B, C, and D

A: Nexin

B: Dynein arms

C: A tubule

D: B tubule

What are A, B, and C?

A: B tubule

B: A tubule

C: Dynein

What is this?

Tracheal cilia

What is this?

Fallopian tube cilia

What is this?

Microvilli

What is this?

Brush border, microvilli

What is this?

Thin skin, stratified squamous

What is this?

Hard palate, stratified squamous

What are A, B, C, D, E, and F?

A: Keratin layer

B: granular layer

C: prickle layer

D: basal layer

E: oral epithelium

F: laminate propria

What is this?

Esophagus, nonkeratinized epithelium

What is this?

This skin, keratinized epithelium

What epithelial type is this?

Stratified cuboidal

What epithelial type is this?

Stratified columnar

What is this?

Contracted transitional/urothelium (empty)

What is this?

Distended transitional/urothelium (filled)

What connective tissue type is this?

Adipose tissue

What connective tissue type is this?

Connective tissue proper

What connective tissue type is this?

Bone

What connective tissue type is this?

Blood

What connective tissue type is this?

Cartilage

What is this?

Ligament

What is this?

Tendon

What is this

Tunica Albuginea (testis)

What is this?

Lymphoid cell aggregates (appendix)

Which connective tissue type is this?

Loose areolar

Which connective tissue type is this?

Dense irregular

Which connective tissue type is this?

Dense regular

Which connective tissue type is this?

Loose acellular (H&E)

What are A, B, C, and D?

A: Plasma cell

B: ground substance

C: fibroblast

D: collagen fibrils

What connective tissue type is this? What organ?

Loose cellular (stomach H&E)

What is this (arrow)?

Tendinocytes

What connective tissue fiber is this?

Collagen

What connective tissue fiber is this?

Reticular

What connective tissue fiber is this?

Elastic

What is this?

Tendon (collagen)

What is this?

Dermis (collagen)

What is this?

Arterial wall (collagen)

What is this?

Mesentry (collagen)

What is this?

Collagen-secreting fibroblast

What is this?

Collagen fibrils

What is this?

Tropocollagen molecule

What is this?

Liver PAS stain (reticular)

What is this?

Lymph node silver stain (reticular)

What is this?

Larynx orcein stain (elastic)

What is this?

Dermis orcein stain (elastic)

What is this?

Mesentery iron hematoxylin (elastic)

What are A, B, and C?

A: Tunica adventitia

B: Tunica media

C: Tumica intima

Masson’s trichromatic (elastic)

What are A, B, and C?

A: proteoglycan

B: glycosaminoglycans

C: core protein

What is this?

Extracellular matrix (ground substance)

What is the green?

Hyaluronic acid (long GAG)

What is this?

Fibroblasts (iron hematoxylin)

What is the top cell?

Macrophage

What is this?

Macrophage (trypan blue injection)

What are the red cells?

mast cells

What is this?

Mast cell granules (trypan blue + safranin)

What is this?

White fat in hypodermis