Histology Lab Midterm

Transitional Epithelia

Simple Squamous Epithelia

Simple Cuboidal Epithelia

Ciliated Simple Columnar Epithelia

non-ciliated simple columnar epithelia

Non-keratinized stratified squamous epithelia

keratinized stratified squamous epithelia

stratified cuboidal epithelia

stratified columnar epithelia

pseudostratified ciliated columnar epithelia

non-ciliated pseudostratified columnar epithelium

brush border (microvilli)

cilia

Loose (areolar) CT

what type of CT is this and what are the numbers labeling?

Loose (areolar) CT

1. fibroblast

2. elastic fibers

3. collagen fibers

macrophages

capillaries

Dense Irregular CT

Dense irregular CT

1. fibroblast

2. collagen fiber

3. elastic fiber

4. arteriole

5. venules

dense regular CT

what type of CT is this and what are the lines pointing to?

Dense regular CT

adipose tissue

top - white (unilocular)

bottom - brown (multilocular)

lipid droplet

1. chondroblast

2. chondrocyte

3. lacunae

hyaline cartilage

what type of cartilage is this and label the structures

hyaline cartilage

elastic cartilage

fibrocartilage

A & B - osteoblast

C - osteocyte

D - osteoclast

E - osteoid/bone matrix

A - canaliculi

B - osteocyte lacunae

C - Haversian (central) canal

A - osteon

B - Haversian (central) canal

C - Interstitial lamella

D - osteocyte

1. epiphysis

2. metaphysis

3. diaphysis

4. periosteum

5. endosteum

6. bone marrow cavity

hypertrophied chondrocytes

bone development

1. proliferative zone chondrocytes

2. hypertrophic zone chondrocytes

3. vascular invasion front

4. secondary ossification center

1. Zone of reserve

2. zone of proliferation

3. zone of hypertrophy

4. zone of calcification

5. zone of ossification

skeletal muscle

skeletal muscle

1. endomysium

2. myofibrils

3. sarcomere

4. peripheral nuclei

sarcomere

A - Z disc

B - I band

C - A band

D - H band

*M line (may not be visible)

cardiac muscle

cardiac muscle

A - central nuclei

B - intercalated disk

C - cardiomyocyte

lipofuscin

purkinje fibers

cardiac muscle endomysium

smooth muscle

smooth muscle

1. central nuclei

2. fibers

what is an axon hillock

the point where the cell body of the neuron merges into the axon

Glial cells

supporting cells of the CNS

microglia

fibrous astrocyte (white matter)

protoplasmic astrocyte (grey matter)

oligodendroglia/oligodendria

1. central canal

2. gray commisure

spinal cord

1. grey matter

2. white matter

3. anterior horn (ventral)

4. posterior horn (dorsal)

1. posterior median sulcus

2. anterior median fissure

spinal cord - motor neuron

pyramidal neuron

gyri

cerebrum

1. white matter

2. grey matter

satellite cells

A - Schwann cells

B - Axon

C - Myelin Sheath

cerebellum

1. folia

cerebellum

1. molecular layer

2. Purkinje neuron/cell

3. granular layer

4. grey matter

5. white matter

PNS ganglia

1. dorsal root/spinal ganglia

2. pseudounipolar neurons

3. multipolar neurons

peripheral nerve

1. fascicles of nerve fibers

2. myelin

node of Ranvier

peripheral nerve

1. endoneurium

2. perineurium

3. epineurium

melanocytes

Merkel’s cell

keratinocytes

1. keratin layer

2. Langerhans cells

label number 4 and 5

4. dermal papillae

5. epidermal ridge

dermal layer

A - reticular layer

B - papillary layer

1. hair follicle

2. sebaceous gland

1. Pacinian Corpuscle

2. Meissner’s corpuscle

*(ID on image not a slide)

hypodermis (lies below dermis of integument and is not part of it)

artery

elastic artery

muscular artery

artery

1. tunica intima

2. tunica media

3. tunica adventitia

artery - tunica intima

1. internal elastic lamina

2. sub-endothelial layer of CT

3. endothelium

artery - tunica media

1. smooth muscle

2. elastic fibers

artery tunica adventitia - vasa vasorum

arteriole

capillary

capillary - pericytes

venule

vein

vein

1. tunica intima

2. tunica media (may be very thin)

   1. tunica adventitia

vein - tunica intima

1. sub-endothelial layer of CT

2. endothelium

vein - tunica media

1. smooth muscle

vein - tunica adventitia

1. vasa vasorum

2. longitudinal smooth muscle (in large vein)

1. erythrocyte

2. reticulocyte

3. leukocyte

4. platelets

Granulocytes

1. neutrophil

2. eosinophil

3. basophil

agranulocytes - large lymphocyte

agranulocyte - small lymphocyte

agranulocyte - monocyte