Lab 4 Flashcards
(102 cards)
1
Q
What are the serous glands in the olfactory epithelium?
A
Bowman’s glands
2
Q
What are the four layers at the trachea?
A
- mucosa
- submucosa
- cartilage
- adventitia
3
Q
What is typical respiratory epithelium?
A
Pseudostratified columnar
4
Q
What type of glands are present in the submucosa of the trachea?
A
serous/mucus
5
Q
What is the trachea’s look-alike?
A
The primary bronchus
6
Q
What type of epithelium is present in the intrapulmonary bronchus?
A
Typical respiratory
7
Q
How is cartilage distributed in the intrapulmonary bronchus?
A
Islands
8
Q
What type of epithelium is present in the primary bronchiole?
A
Respiratory
9
Q
What type of epithelium is present in the secondary bronchiole?
A
Simple columnar
10
Q
Do bronchioles have cartilage?
A
No
11
Q
Are there mucus cells, cartilage, or a submucosa in the terminal bronchioles?
A
No
12
Q
What is the type of epithelium in respiratory bronchioles?
A
Simple cuboidal
13
Q
Which cells produce surfactact in alveoli?
A
Type II alveolar cells
14
Q
What are the two types of epithelium present in the lips?
A
Stratified squamous kera and non kera
15
Q
What is the muscle present in the lip?
A
Obicularus oris
16
Q
Where are glands found in the lip?
A
Submucosa
17
Q
What is the vermillion margin?
A
Where the stratified squamous transition is in the lip
18
Q
What is the epithelium present in the tongue?
A
Stratified squamous
19
Q
Where are taste buds seen in the papilla?
A
On the lateral border
20
Q
What are the glands that are associated with circumvallate and fungiform papillae?
A
Von Ebner’s glands
21
Q
What is the layer of cells beneath dentin?
A
odontoblasts
22
Q
What is the layer of tissue above the dentin?
A
Enamel
23
Q
What are the cells that are above enamel?
A
Ameloblasts
24
Q
What is the layer that is above the ameloblasts?
A
Stratum intermedium
25
What is the layer of cells above the stratum intermedium?
Stellate reticulum
26
What is the light layer between the odontoblasts and the dentin?
Predentin
27
What is the function of the stratum intermedium?
Supply the ameloblasts
28
Where are cementoblasts found in the tooth?
Superficial to the cementum
29
What type of collagen connects bone to cementum?
Collagen I
30
Which is thicker: the skin part or the mucosa part of the lip?
Mucosa
31
What is characteristic of the filiform papilla?
Heavily keratinized
32
Which type of papillae do not have taste buds?
Filiform papillae
33
What is the central part of the dental bud?
Dental pulp
34
What type of secretions are found in the parotid gland?
Serous only.
35
What type of gland is the parotid gland?
Compound alveolar gland
36
Where are intercalated ducts found? What is their appeareance?
Intralobular in Parotid gland. Simple cuboidal duct.
37
What type of gland is the submandibular gland? (duct type, secretions etc).
Compound tubular alveolar gland with serous and mucus secretions (serous > mucus)
38
What type of gland is the sublingual gland? (duct type, secretions etc).
Compound tubular alveolar gland with serous and mucus secretions (mucus > serous)
39
How do striated ducts appear?
Striations with nucleus pushed to the lumen of the duct
40
What is characteristic of the esophageal submucosa?
Glands
41
What is the nerve plexus found between the two layers of the muscularis externa of the esophagus?
Myenteric (Auerbach's) plexus
42
Which layer of the stomach are cardiac glands found?
mucosa
43
Where are gastric glands found (which two parts of the stomach)?
The body or the fundus
44
Are parietal cells acidophilic or basophilic? Is their nucleus centrally or peripherally located?
Acidophilic, centrally located nucleus
45
Are chief cells acidophilic or basophilic? Is their nucleus centrally or peripherally located?
Basophilic, peripherally located nucleus
46
What is characteristic of the pyloric glands/pits?
Long pits, small glands
47
What type of gland is the pancreas? What differs it from the parotid gland?
Serous Compound acinar gland.
There are NO striated ducts. There ARE pancreatic islets, and there ARE centro-acinar cells!!!!!
48
What is characteristic of the pancreatic acinar cells?
Basal area with nucleus is basophilic, apical portion is acidophilic
49
Look at a slide of the duodenum, you see glands present in both the mucosa and the submucosa. What are each of the glands?
```
Mucosa = Intestinal glands
Submucosa = Duodenal (Brunner's) glands
```
50
Where are the only two places in the GI tube, where there are glands in the submucosa?
Esophagus and the duodenum
51
What are the layers of tissue that comprise the plica circulariis?
Mucosa and submucosa
52
What is the characteristic feature of the duodenum compared to the rest of the small intestines?
The presence of glands in the submucosa (Brunner's glands)
53
What is the inner part of the vili of the small intestine composed of (which layers)?
LP
54
What are the simple tubular glands of the duodenum located in the mucosa?
Glands of liberkuhn
55
What are Paneth cells? (Where are they found? What do they secrete? What do they look like histologically?)
Found in the small intestine glands
Secrete bactericidal enzymes
Have acidophilic granules in the apical portion of the cell near the ducts
56
What is the layer that sits just below the microvilli of the small intestines?
Terminal web (full of actin stuffs)
57
What are the cells that sit below the brush border of the intestines?
Absoptive cells
58
Where is the myenteric plexus located?
Between the inner and outer circular layer of the muscularis externus
59
What are the three major characteristics of the ileum?
Lymphoid tissue with complete musclularis externa, as well as well developed villi
60
Does the appendix have villi?
No
61
Does the appendix have a complete external muscularis?
Yes
62
What is the external anal sphincter made of?
Skeletal muscle
63
What is the internal anal sphincter made of?
Smooth muscle
64
What is the transition area of the anus where the epithelium changes from simple columnar to stratified squamout?
Pectinate (dentate) line
65
What are the clear areas between the hepatocytes?
Sinusoidal capillaries
66
What type of epithelium lines the bile duct?
simple suboidal
67
What distinguishes the hepatic ateriole from the portal venule and the bile duct?
tunica media
68
What are the cells that are sitting next to hepatocytes with flat nuclei?
Endothelial cells of the capillaries
69
Bile canaliculi are lined by what?
The plasma membrane of hepatocytes, and later by coangiocytes
70
What are the three layers of the gallbladder? What layers are missing?
Mucosa, muscularis externa, and adventitia/serosa
***NO muscularis mucosae, and NO submucosa***
71
The adventitia of the gallbladder is found where? Serosa?
Serosa = outerface
Adventita = the side that faces the liver
72
What is the outermost layer of the ovary?
Germinal epithelium
73
What is deep to the germinal epithelium of an ovary?
Tunica albuginea
74
The unilaminar follicular cells have what type of oocyte inside?
Primary
75
The multilaminar follicular cells have what type of oocyte inside?
Primary
76
A secondary follicle developes when what happens?
Antra form
77
The theca externa cells are what type of cells?
Smooth muscle cells
78
What is the function of the theca interna cells?
Produce hormones
79
The corona radiata is made of what type of cells?
Granulosa cells
80
What cells surround the corpus luteum?
Theca interna and externa
81
How do you distinguish the granulosa lutein cells from the theca lutein cells?
Granulosa lutein cells are larger, while the thece lutein cells are smaller, wrapping around the granulsa lutein cells
82
Which part of the uterine tube has a lot of mucosal folds?
The infundibulum
83
What type of epithlium is present in the fallopian tubes? What specialization?
Simple columnar with cilia
84
What is characteristic of the isthmus of the uterine tube compared to the infundibulum?
Mucosa is not well developed
85
What are the three layers of the uterus?
1. mucosa = endometrium
2. Muscularis = myometrium
3. serosa = perimetrium
86
What is the darker layer of tissue found at the base of the endometrium?
The stratum basale
87
What are the three components of an alveolar septum?
Endothelium of a capillary
Type I pneumocyte
BM
88
How can one distinguish between theca cells from the ells of leydig?
Lack of microvilli, absence of Reinke crystals
89
What does the renal cortex contain?
Renal corpuscles/glomeruli
90
What is Bowman's capsule?
The parietal and visceral layers around the renal corpuscle
91
Looking at a slide of the PCT and DCTs, how do you diferentiate the two?
Proximal = striated border, convoluted
Distal = no villi, less convoluted
92
What type of epithelium are seen in the DCT and PCT?
Simple cuboidal
93
What is the macula densa?
packed arrangement of nuclei next to an afferent arteriole near a glomerulus
94
What structures are present in the medulla of the kidney?
1. Collecting ducts
2. vasa recta
3. Thin and thick loops of henle
95
The thin loop of henle has what type of epithelium?
Very flat simple squamos
96
How do you differentiate between the vasa recta and the thin limbs of the collecting tubules?
The presence of blood cells
97
What is characteristic of thick collecting ducts?
Simple cuboidal epithelium with very little staining
98
What is characteristic of a thick limb of a loop of henle?
Simple cuboidal epithelium that is highyl acidophilic
99
What type of epithelium lines the minor caylx?
Transitional epithelium
100
What is characteristic of the epithelial cells in large collecting ducts?
Simple columnar cells that stain lightly and with nuclei at the base
101
What are the three layers of the ureter?
1. Mucosa
2. muscularis
3. Adventitia
102
What are the two layers of the bladder? What is characteristic of the muscularis?
Mucosa and muscularis
Three layered muscularis
