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Cell and tissue > Lab 4 > Flashcards

Lab 4 Flashcards

1
Q

What are the serous glands in the olfactory epithelium?

A

Bowman’s glands

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2
Q

What are the four layers at the trachea?

A
  1. mucosa
  2. submucosa
  3. cartilage
  4. adventitia
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3
Q

What is typical respiratory epithelium?

A

Pseudostratified columnar

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4
Q

What type of glands are present in the submucosa of the trachea?

A

serous/mucus

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5
Q

What is the trachea’s look-alike?

A

The primary bronchus

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6
Q

What type of epithelium is present in the intrapulmonary bronchus?

A

Typical respiratory

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7
Q

How is cartilage distributed in the intrapulmonary bronchus?

A

Islands

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8
Q

What type of epithelium is present in the primary bronchiole?

A

Respiratory

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9
Q

What type of epithelium is present in the secondary bronchiole?

A

Simple columnar

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10
Q

Do bronchioles have cartilage?

A

No

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11
Q

Are there mucus cells, cartilage, or a submucosa in the terminal bronchioles?

A

No

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12
Q

What is the type of epithelium in respiratory bronchioles?

A

Simple cuboidal

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13
Q

Which cells produce surfactact in alveoli?

A

Type II alveolar cells

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14
Q

What are the two types of epithelium present in the lips?

A

Stratified squamous kera and non kera

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15
Q

What is the muscle present in the lip?

A

Obicularus oris

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16
Q

Where are glands found in the lip?

A

Submucosa

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17
Q

What is the vermillion margin?

A

Where the stratified squamous transition is in the lip

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18
Q

What is the epithelium present in the tongue?

A

Stratified squamous

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19
Q

Where are taste buds seen in the papilla?

A

On the lateral border

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20
Q

What are the glands that are associated with circumvallate and fungiform papillae?

A

Von Ebner’s glands

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21
Q

What is the layer of cells beneath dentin?

A

odontoblasts

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22
Q

What is the layer of tissue above the dentin?

A

Enamel

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23
Q

What are the cells that are above enamel?

A

Ameloblasts

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24
Q

What is the layer that is above the ameloblasts?

A

Stratum intermedium

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25
Q

What is the layer of cells above the stratum intermedium?

A

Stellate reticulum

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26
Q

What is the light layer between the odontoblasts and the dentin?

A

Predentin

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27
Q

What is the function of the stratum intermedium?

A

Supply the ameloblasts

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28
Q

Where are cementoblasts found in the tooth?

A

Superficial to the cementum

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29
Q

What type of collagen connects bone to cementum?

A

Collagen I

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30
Q

Which is thicker: the skin part or the mucosa part of the lip?

A

Mucosa

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31
Q

What is characteristic of the filiform papilla?

A

Heavily keratinized

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32
Q

Which type of papillae do not have taste buds?

A

Filiform papillae

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33
Q

What is the central part of the dental bud?

A

Dental pulp

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34
Q

What type of secretions are found in the parotid gland?

A

Serous only.

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35
Q

What type of gland is the parotid gland?

A

Compound alveolar gland

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36
Q

Where are intercalated ducts found? What is their appeareance?

A

Intralobular in Parotid gland. Simple cuboidal duct.

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37
Q

What type of gland is the submandibular gland? (duct type, secretions etc).

A

Compound tubular alveolar gland with serous and mucus secretions (serous > mucus)

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38
Q

What type of gland is the sublingual gland? (duct type, secretions etc).

A

Compound tubular alveolar gland with serous and mucus secretions (mucus > serous)

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39
Q

How do striated ducts appear?

A

Striations with nucleus pushed to the lumen of the duct

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40
Q

What is characteristic of the esophageal submucosa?

A

Glands

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41
Q

What is the nerve plexus found between the two layers of the muscularis externa of the esophagus?

A

Myenteric (Auerbach’s) plexus

42
Q

Which layer of the stomach are cardiac glands found?

A

mucosa

43
Q

Where are gastric glands found (which two parts of the stomach)?

A

The body or the fundus

44
Q

Are parietal cells acidophilic or basophilic? Is their nucleus centrally or peripherally located?

A

Acidophilic, centrally located nucleus

45
Q

Are chief cells acidophilic or basophilic? Is their nucleus centrally or peripherally located?

A

Basophilic, peripherally located nucleus

46
Q

What is characteristic of the pyloric glands/pits?

A

Long pits, small glands

47
Q

What type of gland is the pancreas? What differs it from the parotid gland?

A

Serous Compound acinar gland.

There are NO striated ducts. There ARE pancreatic islets, and there ARE centro-acinar cells!!!!!

48
Q

What is characteristic of the pancreatic acinar cells?

A

Basal area with nucleus is basophilic, apical portion is acidophilic

49
Q

Look at a slide of the duodenum, you see glands present in both the mucosa and the submucosa. What are each of the glands?

A 
Mucosa = Intestinal glands
Submucosa = Duodenal (Brunner's) glands
50
Q

Where are the only two places in the GI tube, where there are glands in the submucosa?

A

Esophagus and the duodenum

51
Q

What are the layers of tissue that comprise the plica circulariis?

A

Mucosa and submucosa

52
Q

What is the characteristic feature of the duodenum compared to the rest of the small intestines?

A

The presence of glands in the submucosa (Brunner’s glands)

53
Q

What is the inner part of the vili of the small intestine composed of (which layers)?

A

LP

54
Q

What are the simple tubular glands of the duodenum located in the mucosa?

A

Glands of liberkuhn

55
Q

What are Paneth cells? (Where are they found? What do they secrete? What do they look like histologically?)

A

Found in the small intestine glands

Secrete bactericidal enzymes

Have acidophilic granules in the apical portion of the cell near the ducts

56
Q

What is the layer that sits just below the microvilli of the small intestines?

A

Terminal web (full of actin stuffs)

57
Q

What are the cells that sit below the brush border of the intestines?

A

Absoptive cells

58
Q

Where is the myenteric plexus located?

A

Between the inner and outer circular layer of the muscularis externus

59
Q

What are the three major characteristics of the ileum?

A

Lymphoid tissue with complete musclularis externa, as well as well developed villi

60
Q

Does the appendix have villi?

A

No

61
Q

Does the appendix have a complete external muscularis?

A

Yes

62
Q

What is the external anal sphincter made of?

A

Skeletal muscle

63
Q

What is the internal anal sphincter made of?

A

Smooth muscle

64
Q

What is the transition area of the anus where the epithelium changes from simple columnar to stratified squamout?

A

Pectinate (dentate) line

65
Q

What are the clear areas between the hepatocytes?

A

Sinusoidal capillaries

66
Q

What type of epithelium lines the bile duct?

A

simple suboidal

67
Q

What distinguishes the hepatic ateriole from the portal venule and the bile duct?

A

tunica media

68
Q

What are the cells that are sitting next to hepatocytes with flat nuclei?

A

Endothelial cells of the capillaries

69
Q

Bile canaliculi are lined by what?

A

The plasma membrane of hepatocytes, and later by coangiocytes

70
Q

What are the three layers of the gallbladder? What layers are missing?

A

Mucosa, muscularis externa, and adventitia/serosa

NO muscularis mucosae, and NO submucosa

71
Q

The adventitia of the gallbladder is found where? Serosa?

A

Serosa = outerface

Adventita = the side that faces the liver

72
Q

What is the outermost layer of the ovary?

A

Germinal epithelium

73
Q

What is deep to the germinal epithelium of an ovary?

A

Tunica albuginea

74
Q

The unilaminar follicular cells have what type of oocyte inside?

A

Primary

75
Q

The multilaminar follicular cells have what type of oocyte inside?

A

Primary

76
Q

A secondary follicle developes when what happens?

A

Antra form

77
Q

The theca externa cells are what type of cells?

A

Smooth muscle cells

78
Q

What is the function of the theca interna cells?

A

Produce hormones

79
Q

The corona radiata is made of what type of cells?

A

Granulosa cells

80
Q

What cells surround the corpus luteum?

A

Theca interna and externa

81
Q

How do you distinguish the granulosa lutein cells from the theca lutein cells?

A

Granulosa lutein cells are larger, while the thece lutein cells are smaller, wrapping around the granulsa lutein cells

82
Q

Which part of the uterine tube has a lot of mucosal folds?

A

The infundibulum

83
Q

What type of epithlium is present in the fallopian tubes? What specialization?

A

Simple columnar with cilia

84
Q

What is characteristic of the isthmus of the uterine tube compared to the infundibulum?

A

Mucosa is not well developed

85
Q

What are the three layers of the uterus?

A
  1. mucosa = endometrium
  2. Muscularis = myometrium
  3. serosa = perimetrium
86
Q

What is the darker layer of tissue found at the base of the endometrium?

A

The stratum basale

87
Q

What are the three components of an alveolar septum?

A

Endothelium of a capillary
Type I pneumocyte
BM

88
Q

How can one distinguish between theca cells from the ells of leydig?

A

Lack of microvilli, absence of Reinke crystals

89
Q

What does the renal cortex contain?

A

Renal corpuscles/glomeruli

90
Q

What is Bowman’s capsule?

A

The parietal and visceral layers around the renal corpuscle

91
Q

Looking at a slide of the PCT and DCTs, how do you diferentiate the two?

A

Proximal = striated border, convoluted

Distal = no villi, less convoluted

92
Q

What type of epithelium are seen in the DCT and PCT?

A

Simple cuboidal

93
Q

What is the macula densa?

A

packed arrangement of nuclei next to an afferent arteriole near a glomerulus

94
Q

What structures are present in the medulla of the kidney?

A
  1. Collecting ducts
  2. vasa recta
  3. Thin and thick loops of henle
95
Q

The thin loop of henle has what type of epithelium?

A

Very flat simple squamos

96
Q

How do you differentiate between the vasa recta and the thin limbs of the collecting tubules?

A

The presence of blood cells

97
Q

What is characteristic of thick collecting ducts?

A

Simple cuboidal epithelium with very little staining

98
Q

What is characteristic of a thick limb of a loop of henle?

A

Simple cuboidal epithelium that is highyl acidophilic

99
Q

What type of epithelium lines the minor caylx?

A

Transitional epithelium

100
Q

What is characteristic of the epithelial cells in large collecting ducts?

A

Simple columnar cells that stain lightly and with nuclei at the base

101
Q

What are the three layers of the ureter?

A
  1. Mucosa
  2. muscularis
  3. Adventitia
102
Q

What are the two layers of the bladder? What is characteristic of the muscularis?

A

Mucosa and muscularis

Three layered muscularis

Cell and tissue (45 decks)

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