Embryology Microscope Test

Front 1

What type of gland?

Back 1

-Sweat Gland
a. Duct
b. Secretory Region

Front 2

What type of glands?

Back 2

a. secretory region of sweat glands

Front 3

What are these?
Where are they Located?

Back 3

Thymic (Hassall's)Corpuscles located within the Medulla of the Thymus

Front 4

Back 4

Respiratory System
Larynx
A. False Vocal Cords (Skele m. however)
B. Vocal Muscle (Skele m.)
C. Respiratory Epithelium (Covering vestibular folds)
D. NKSS (covering TVC)
E. Mixed Gland in Vocal Fold (no glands or Lymphatics in TVC!)
Green arrows where Pulmonary Epith becomes NKSS; FVC->TVC cranially

Front 5

Back 5

Respiratory System
Larynx-False Vocal Cord
A. Gland
(NO GLANDS IN TVC !!!)

Front 6

Back 6

Avian Respiratory System
-Syrnx
-located at bifurcation of trachea into 2 principal bronchi
-For Voice production in birds

Front 7

Back 7

Avian Respiratory System
Lung
A. Lumen of Parabronchus
B. Air Vesicle
C. Air Capillary

Front 8

A. What organ/part?
B. What tissues?
C. What type of Glands?

Back 8

A. External Ear Canal
B. Elastic Cartilage->Bone
C. Apocrine Sweat Glands

Front 9

Back 9

A. Scala Vestibuli
B. Vestibular Membrane
C. Cochlear Duct (Scala Media)
D. Organ of Corti
E. Tectorial Membrane
F. Basilar Membrane
G. Scala Tympani

Front 10

Back 10

-Cerebellum
A.Sulcus
B.Folium (Folia pl)
C. Grey Matter (Cortex)
D. White Matter (Medulla)

Front 11

Back 11

Front 12

Back 12

Front 13

Back 13

Choroid Plexus

Front 14

Back 14

-Choroid Plexus
-Produce CSF
A. Capillary
B. Invaginations pia into ventricles
–Loose CCT (highly vascular) covered with simple cuboidal epithelium

Front 15

Back 15

Digestive System
A. Mucosa (Mucous Membrane)
B. Epithelium
C. Lamina Propria
D. Muscularis Mucosae
E. Submucosa
F. Tunica Muscularis
G. Inner Circular Layer
H. Outer Longitudinal Layer
I. Serosa

Front 16

Back 16

Digestive System-ESOPHAGUS
Adventitia (CCT) covers organs outside body cavity
(Serosa=Mesothelium=CCT + Simple squamous epithelium); covers organs within body cavity)

Front 17

Back 17

Digestive System
Lamina Propria/Submucosa (Blended sometimes)

Front 18

Back 18

Lip
A. Oral Cavity Side
B. Buccal Muscle
C. Integument Side
D. NKSS
E. KSS + Adnexa

Front 19

Back 19

LIP
INTEGUMENT SIDE
A.KSS
B.Blood Vessel
C.Sebaceous Gland (mixed)
D. Hair Follicle

Front 20

Back 20

Lip/Oral Cavity Side
A. NKSS

Front 21

Back 21

Hard Palate
Mucosa (KSS)

Front 22

Back 22

TONGUE
A. Mucosa (KSS usually)
B. Lamina Propria/Submucosa
(NO MUSCULARIS MUCOSA!)
C. Mixed Glands
D. Skeletal Muscle (3 Planes)
E. Unilocular Adipose Tissue

Front 23

Back 23

TONGUE
Skeletal Muscle (In 3 Different Planes, UNIQUE!!)

Front 24

Back 24

-Soft Palate
A. Nasopharynx Side
B. Pseudostratified Columnar Epithelium with Cilia & Goblet Cells
C. Lamina Propria/ Submucosa +CCT+Mucous Glands
D. Oral Cavity Side
E. NKSS

Front 25

Back 25

Front 26

Back 26

Front 27

Back 27

Front 28

Back 28

Front 29

Back 29

Front 30

Back 30

Front 31

Back 31

-SALIVARY GLAND
A. Striated Duct
B. Intercalated Ducts

Front 32

Back 32

PAROTID SALIVARY GLAND

Front 33

Back 33

MIXED SALIVARY GLAND

Front 34

Back 34

AVIAN ESOPHAGUS
A. Lamina Propria
B. Muscularis Mucosa
C. Esophageal Glands (Mucous)

Front 35

Back 35

MAMMALIAN ESOPHAGUS
A. Lumen
B. KSS
C. Lamina Propria
D. Submucosa
E. Muscularis Mucosae
F. Esophageal Gland (Mucous)

Front 36

Back 36

A. Monogastric Stomach
B. Esophagus

Front 37

Back 37

STOMACH
A. Mucous Membrane
B. Muscularis Mucosa
C. Epithelium
D. Lamina Propria
E. Submucosa
F. Tunica Muscularis
G. Serosa

Front 38

Back 38

Front 39

Back 39

Front 40

Back 40

Front 41

Back 41

Front 42

Back 42

Front 43

Back 43

Front 44

Back 44

Front 45

Back 45

Front 46

Back 46

RUMEN
1-Papilla (mucosal projection)
2-Muscularis Externa
3- Connective tissue band
4+9- Submucosa blended w/ LP (aglandular)
8- Stratified Squamous Epithelium, Keratinized (also can be NKSS)
-NO MUSCULARIS MUCOSA
-Tunica Muscularis=2 Layers of Smooth Muscle
-Serosa=Typical

Front 47

Back 47

Digestive System/Rumen
A-Papillae
B-Mucosa
C-Tunica Muscularis

Front 48

Back 48

Digestive System/Reticulum
A-Muscularis Mucosa
(Incomplete; located only in upper end of reticular crests)
B-Primary Fold
C-Secondary Fold

Front 49

Back 49

Digestive System/Reticulum
-Muscularis mucosa
In upper part of a reticular crest;appear as bundles of
smooth muscle

Front 50

Back 50

Digestive System/Omasum
3-Lamina Propria
4-Tunica Muscularis
5-Muscularis Mucosae (COMPLETE!=Distinguishing factor!!!)
6-Keratinized stratified squamous epithelium
7-Submucosa

Front 51

Back 51

Digestive System/Omasum
6-Lamina Propria
9-Muscularis Mucosae
11-Tunica Muscularis (Smooth Muscle)
13- Keratinized Stratified Squamous Epithelium

Front 52

Back 52

Front 53

Back 53

Front 54

What Tissue?

Back 54

Ventriculus (Gizzard)
-Interlacing CCT within the Tunica Muscularis
(special stain)

Front 55

Back 55

A- Stomach
B- Small Intestine (Duodenum)
C- Mucous Membrane
D- Submucosa + Glands
E- Tunica Muscularis
F- Circular Muscle
G-Longitudinal Muscle

Front 56

Back 56

Small Intestine
Mucous Membrane
A. Goblet Cells
B. Microvilli of Brush Border
C. Central Lacteal
D. Goblet Cell Nuclei

Front 57

Back 57

Small Intestine
-Mucous Membrane
-Villi (projections of mucous membrane....KEY TO ID SMALL INTESTINE!!)
A.-simple columnar epithelium
-absorptive cells
B.-Goblet cells
increase in #s from
duodenum to ileum
-Secrete mucin
(protection/lubication)

Front 58

Back 58

Small Intestine
Mucous Membrane-LP
A. Villi (Distinguishing)
B. Intestinal Crypt
C. Lamina Propria
D. Paneth Cell
E. Muscularis Mucosae

Front 59

Back 59

Small Intestine
Mucous Membrane (LP)
A. Intestinal Crypts

Front 60

Back 60

Small Intestine - Ileum
Peyer's Patches (Aggregations of Lymph Nodules)
-Typically located in submucosa, occasionally
found in lamina propria

Front 61

Back 61

Small Intestine
(THIS PIC is from STOMACH)
-Lamina subglandularis
-stratum compactum;
-stratum granulosum
-found in carnivores
-located in deepest LP; can be found in proximal jejunum

Front 62

Back 62

Small Intestine; Deep in intestinal crypts
-Intestinal Enteroendocrine Cells (Acidophilic granules face LP, clear cytoplasm around nucleus)

Front 63

Back 63

Small Intestine; Deep in intestinal crypts
-Intestinal Enteroendocrine Cells (Acidophilic granules face LP, clear cytoplasm around nucleus)

Front 64

Back 64

Small Intestine; Deep in intestinal crypts
-Intestinal Enteroendocrine Cells (Acidophilic granules face LP, clear cytoplasm around nucleus)

Front 65

Back 65

Small Intestine, Intestinal Crypt
A. Blood Vessels
B. Enteroendocrine Cell (APUD)
C. Endothelial Cell
D. Muscularis Mucosae
E. Paneth Cells
F. Mitotic Figures

Front 66

Back 66

Small Intestine
A. Brunner's Glands (Submucosal Intestinal Glands)
B. Muscularis Mucosae
C. Intestinal Crypt
D. Diffuse Lymphatic Tissue
E. Villus

Front 67

Back 67

Small Intestine
A. Submucosal Plexus

Front 68

Back 68

Large Intestine
-NO VILLI!

Front 69

Back 69

Large Intestine
A. Mucous Membrane
B. Lamina Propria
C. Intestinal Crypts
D. Muscularis Mucosae (Usually Thin)
E. Simple columnar epithelium with
F. Goblet cells & (Microvilli)

Front 70

Back 70

Large Intestine; Mucous Membrane
A. Simple Columnar
Epithelium with
B. Goblet Cell &
C. Microvilli
D. Lamina Propria
E. Intestinal Crypt
RELATIVELY FEW ENTEROENDOCRINE CELLS!

Front 71

Back 71

Large Intestine
A. Submucosal Plexuses (Aglandular)
B. Muscularis Mucosa
C. Intestinal Crypt
D. Submucosa
E. Muscularis Externa, inner circular
F. Lamina Propria
G. Smooth Muscle
H. Goblet Cell
i. Vein

Front 72

Back 72

Large Intestine
A. Mucous Membrane
B. Submucosa
C. Peyer's Patch (Lymph Nodule)

Front 73

Back 73

Large Intestine, Anal Canal
1. Circumanal gland, nonsebaceous
2. Circumanal gland, sebaceous
6. Keratinized Stratified Squamous Epidermis
10. Skeletal Muscle
(Anal Sphincter)

Front 74

Back 74

Large Intestine
Anal Canal
A. Sebaceous Glands
B. Hair Follicle
C. Apocrine Tubular Gland

Front 75

Back 75

LIVER
A. Islet of Langerhans
B. CT, septum of
C. Pancreatic Duct
D. Intercalated duct (x.s)

Front 76

Back 76

Liver
1 - acinus
2 - islet of Langerhans
3 - interlobular connective tissue septa
4 - blood vessels

Front 77

Back 77

Pancreas
A. Acinar Cells
B. Acinus
C. Centroacinar Cell
D. Intercalated Duct, l.s.

Front 78

Back 78

Front 79

Back 79

ENDOCRINE SYSTEM
ADENOHYPOPHYSIS
PARS DISTALIS
A. Chromophobe
B. Basophil
C. Acidophil

Front 80

Back 80

ENDOCRINE SYSTEM
PINEAL GLAND

Front 81

Back 81

Endocrine System
Thyroid Gland
A. Thyroid Follicle
B. Follicular Epithelium (Simple Cuboidal)

Front 82

Back 82

Endocrine System
A. Thyroid Gland
B. Parathyroid Gland
C. CCT

Front 83

Back 83

Endocrine System
Parathyroid Gland
Principal Cells
-Secrete PTH

Front 84

Back 84

Endocrine System
Parathyroid Gland
-Oxyphil Cells

Front 85

Back 85

Front 86

Back 86

Endocrine System
Adrenal Gland
A. Capsule (CCT)
B. ZG
C. ZF
D. ZR
E. Medulla
F. Chromaffin Cell(s)

Front 87

Back 87

Endocrine System
Adrenal Medulla
A. Chromaffin Cells (polarized around)
B. Blood Vessels

Front 88

Back 88

Front 89

Back 89

Front 90

Back 90

Endocrine System
Adrenal Gland

Front 91

Back 91

a. splenic nodule
b. nodular arteriole (or central arteriole or paracentral arteriole)

Front 92

Which region of the monogastric stomach is shown in this photomicrograph?

Back 92

Pyloric gland region

Front 93

What specific type of gland is shown and in the enlarged region to the right?

Back 93

Sebaceous gland

Front 94

Basic Skin Structure

Back 94

a. Epidermis
b. Dermis
c. Hypodermis (NOT part of
Skin)

Front 95

What layer of epidermis is this?

Back 95

Stratum basale (Stratum germinativium) = Deepest layer of skin

Front 96

What layer of living epidermis is this?
What cells does it contain & what is their function?

Back 96

-Stratum Spinosum (2nd Deepest Layer)
-Keratinocytes (Accumulate Keratin)

Front 97

What layer of epidermis is this?
Spiney appearance caused by structures arrows are pointing to?

Back 97

-Stratum Spinosum
-Desmosomes

Front 98

What layer of epidermis is this?

Back 98

Stratum Granulosum (3rd layer starting from deepest)

Front 99

What layer of epidermis is this?
Where is it normally seen?
What is its cells filled with?

Back 99

-Stratum lucidum
- “optional" epidermal layer
-Seen in thick skin, but not in thin skin
-Seen in places of very heavy wear, like foot pads.
-It does not form in skin that has hair follicles.
-Forms clear band above stratum granulosum.
-Eleidin, a fibrous protein that maybe an intermediate form of keratin.

Front 100

What layer of epidermis is this?
What is it comprised of?

Back 100

Stratum corneum=Keratin=a dead layer on surface

Front 101

Back 101

Rete pegs or Epidermal ridges/pegs

Front 102

What are the arrows pointing to?
What two layers are within?
-Other structures/functions within?

Back 102

-Dermal papillae
-CCT
Layers = indistinct
-Papillary layer = adjacent to epithelium; interdigitates with epithelium (epidermal pegs)
Interdigitation provides structural support
-Reticular layer = deeper layer
-Blood vessels = supply nutrients to epidermis
-Nerves
-Receptors:
Pacinian Corpuscle =pressure
Meissner’s Corpuscle = touch

Front 103

Back 103

a. Sebaceous Gland
b. Sebaceous Gland
c. Arrector Pili m.
d. Dermis
e. Sweat Gland
f. Hypodermis

Front 104

Back 104

Sebaceous Glands

Front 105

Back 105

1. circumanal gland, nonsebaceous
2.Circumanal gland, sebaceous
6. Keratinized epidermis
10. Skeletal m.

Front 106

*b forms in response to?

Back 106

a. Secondary Lymph Nodule
b. Germinal Center
c. Corona (mantle layer)
d. Diffuse Lymphatic Tissue
*Antigenic stimulation of B Lymphocytes

Front 107

What system is this picture associated with?

Back 107

Reticular Cells
-Lymphatic System (Within the medulla of a lymph node)

Front 108

What is this a section of?

Back 108

Lymph node
a. Secondary Lymph Nodule w/ Germinal Center
b. Intermediate Sinus
c. Capsule
d. Subcapular Sinus
e. Diffuse Lymphoid Tissue
f. Outer Cortex
g. Inner Cortex
h. Medulla
i. Trabecula
j. Medullary Sinus
k. Medullary Cord

Front 109

What is this a picture of?

Back 109

Hemal Node (resembles spleen) NO CORTEX/ MEDULLA!!
1. Capsule (Dense CCT)
2. Diffuse Lymphatic Tissue
3. Nodular Lymphatic Tissue
4. Blood Filled Sinuses

Front 110

What is this a picture of?

Back 110

Palatine Tonsil
a. Lymph Nodule
b. Non-keratinized statified squamous epithelium
c. Lamina Propria
d. Diffuse Lymphatic Tissue

Front 111

What is this a picture of?

Back 111

Palatine Tonsil
a. Crypt
b. Non-keratinized stratified squamous epithelium
c. Lymph Nodule
d. Diffuse Lymphatic Tissue

Front 112

What is this a picture of?

Back 112

Thymus
a. Capsule
b. Cortex
c. Medulla
d. Septum

Front 113

What is this a picture of?

Back 113

Spleen
a. Capsule
b. White Pulp
c. Red Pulp
d. Trabecular Vein
e. Central Arteries
f. Red Pulp

Front 114

What organ is represented?

Back 114

Spleen
a. Elastic Fibers
b. Trabecula
c. Red Pulp

Front 115

What is this?

Back 115

Spleen
a. Trabeculae
b. Splenic Cord
c. Splenic Nodules
d. Nodular (Central) Arterioles
e. White Pulp
f. Splenic Sinusoid
g. Red Pulp
h. PALS (T Cells)
i. Sheathed Artery, Lumen
j. Capsule

Front 116

What Organ is represented?

Back 116

Spleen
a. Trabecula
b. Nodular Arteriole in White Pulp
c. PALS (T Cells) in white pulp
d. Splenic Nodule (B Cells) in white pulp

Front 117

What organ is represented?

Back 117

Spleen, red pulp
a. Macrophages
b. Splenic Sinusoids
c. Splenic Cords
d. Smooth Muscle
e. Reticular Cells

Front 118

What organ is represented?

Back 118

Cloacal Bursa
a. Pseudostratified columnar epithelium
b. Lamina Propria
c. Lymph Follicles
d. Cortex
e Medulla
f. Muscularis (Smooth m.)

Front 119

What Organ is Represented?

Back 119

Spleen
a. Trabeculae
b. Red Pulp
c. White Pulp
d. Splenic Nodules
e. Nodular Arterioles

Front 120

What organ is Represented?

Back 120

Cloacal Bursa
a. Pseudostratified columnar epithelium
b. Lamina Propria
c. Cortex
d. Medulla
e. Capillary Layer

Front 121

Identify the blood vessel

Back 121

Elastic Artery

Front 122

Identify the Organ:

Back 122

Large Intestine

Front 123

Back 123

Pinna of Ear
A) Scala vestibuli
B) Organ of Corti

Front 124

Back 124

Lymphatic Organs
A. Hemal Node
B. Tonsil
C. Lymph Node
D. Spleen

Front 125

Back 125

Lymphatic Organs
A. Thymus
B. Cloacal Bursa

Front 126

Back 126

Front 127

Back 127

Front 128

Back 128

Respiratory, Nasal Cavity
A. Olfactory Epithelium
C. Respiratory Epithelium

Front 129

Back 129

Respiratory System
Larynx
-IRREG. TUBULAR ORGAN btw PHARYNX & TRACHEA
A. Cartilage
B. Skele. M.

Front 130

Back 130

Respiratory System
Trachea/Extrapulmonary Bronchi
A. PSSCCil, Gob.
B.Lamina Propria
C. Submucosa
D. Mixed Glands
E. Trachialis Muscle
F. Hyaline Cartilage
G. Fibroelastic membrane
H White Fat

Front 131

Back 131

Respiratory System
Trachea/Extrapulmonary Bronchi
A. Goblet Cell
B. PSCilCol Epithelium and LP
C. Submucosa
D. Vein
E. RBCs in vein
F. Serous Gland
NO Muscularis Mucosa!

Front 132

Back 132

Respiratory System
Intrapulmonary Bronchus (IN LUNG!)
A. Pulmonary Epithelium
B. Lamina Propria
C. Muscularis Mucosa Now present!
(NO TRACHEALIS M.!!)
D. Hyaline Cartilage Plate (NOT RING anymore!)
E. Alveolus (In the lung son!)

Front 133

Back 133

Respiratory System
Intrapulmonary Bronchus
A. Lumen
B. LP
C. Muscularis Mucosae
D. Cartilage Plate
E. LUNG!!
F. CT & Vessels

Front 134

Back 134

Front 135

Back 135

Front 136

Back 136

Respiratory System
Larynx
A. NKSS
B. Vocal Lig.
C. Vocal M. (Skeletal)

Front 137

Back 137

Front 138

what are the common sites of atheroma in intracranial vessels?

Back 138

origin of MCA, ends of basilar artery

Front 139

Back 139

Front 140

Back 140

Digestive System
Liver (Stroma)
A. Interlobular CT (loose CCT)

Front 141

Back 141

Digestive System
Liver (Parenchyma)
A. Endothelial/Kupffer Cell (Hepatic sinuosoids)
B. Space of Disse
C. Hepatocyte (microvilli present but not visible)

Front 142

Back 142

Front 143

Back 143

Digestive System
Liver
A. Hepatic Lobule
B. Portal Triad
C. Central Vein

Front 144

Back 144

Digestive System
Liver
A. Hepatic Acinus
B. Portal Triad
C. Central Vein

Front 145

Back 145

Digestive System
Liver
A. Blood Flows from Portal Vein To Central Vein
B. From Central Vein to Portal Triad

Front 146

Back 146

Front 147

Back 147

Digestive System
Liver/Gallbladder
A. Lumen of GB
B. Tunica Muscularis
C. Bile Duct
D. Liver
E. Serosa
F. Microvilli
G. Simple Columnar Epith.
H. LP/Submucosa
I. Tunica Muscularis
J. Mucosa
NO MUSCULARIS MUCOSAE!!!!!

Front 148

Back 148

Digestive System
Gallbladder
A. Tuncia Muscularis
B. Perimuscular CT

Front 149

Back 149

Digestive System
Small Intestine
A. Lamina Propria
B. Enteroendocrine Cells
-Secrete CCK into Gallbladder

Front 150

Back 150

Avian Respiratory System
Lungs
A. Tertiary or Parabronchus cross section
B. Simple Cuboidal or Simple Squamous Epithelium
C. Lamina Propria
D. Muscularis Mucosa Arranged in Bundles of Smooth m.

Front 151

Back 151

Avian Respiratory System
Lungs
A. Parabronchus (Tertiary) in Longitudinal Section

Front 152

Back 152

Avian Respiratory System
Lung
A. Parabronchi
B. Lumen
C. Air Vesicles
D. Air Capillaries

Front 153

Back 153

Front 154

Back 154

Avian Respiratory System
Lung
A. Hyaline Cartilage

Front 155

Back 155

Front 156

Back 156

Front 157

What type of epithelium is associated with the palatine tonsil?

Back 157

NKSS

Front 158

What type of epithelium is associated with the cloacal bursa?

Back 158

Simple Columnar

Front 159

Name 2 lymphatic organs that have an epithelium and underline the one with simple columnar epithelium

Back 159

Tonsils and Cloacal bursa****

Front 160

Pars Distalis + 1 + 2 = adenohypophysis

Back 160

1= pars tuberalis
2= pars intermedia

Front 161

Back 161

Front 162

Back 162

Endocrine System
Adrenal Gland
A. Zona Fasiculata

Front 163

Back 163

Endocrine System
Thyroid Gland
B.
T3&T4

Front 164

What System/Organ is Represented?

Back 164

Integumentary, Hoof
a. Stratum Externum
b. Stratium Medium
c. Stratum Internum
d. Primary Dermal Papilla
e. Primpary Epidermal Papilla
f. Dermis

Front 165

What System/Organ represented?

Back 165

Integumentary, Claw
2. Dermis
4. Distal Phalanx
6. Stratum Basale
10. Sole (Stratum Granulosum & Stratum Lucidum)
11. Wall (Stratum Corneum)

Front 166

What organ/part is represented?

Back 166

Eye/Cornea
En. Posterior Epithelium (Endothelium)
d. Descemet's membrane
S. Substantia propria/ Stroma
b. Bowman's Membrane
E. Anterior Epithelium (NKSS)

Front 167

Back 167

EYE
A- Cell bodies
B- Rods&Cones
C-Pigmented Epithelium
D-Choroid
E-Retina
F-Tapedum

Front 168

Back 168

EYE
A-Anterior Chamber
B-Iris
C-Posterior Chamber
D-Radial (Dilator) m.
E-Circular (Constrictor) m.
F-Pigment of Iris

Front 169

Back 169

A-Iris
B-Insensitive Retina-Iridial
Portion (Both layers
pigmented)
C-Insensitive Retina-Ciliary
Portion (Only inner layer
pigmented)
D-Ciliary Body

Front 170

Back 170

A-Eye
B-Lens
C-Anterior Epithelium (Simple Cuboidal)

Front 171

Back 171

Digestive System-Cheek
A. Mucosa (NKSS) (Usually)
B. Lamina Propria/ Submucosa
(NO MUSCULARIS MUCOSA! or remaining layers)

Front 172

Back 172

Digestive System/Cheek

Front 173

Back 173