Flashcards
Lab 9: Upper GI Tissue
Cards in this deck (66)
- 1What are the 6 major tissues of this lab?1. oral cavity
2. hard palate
3. soft palate
4. oropharynx, nasopharynx, laryngopharynx
5. tonsils
6. esophagus - 2What does the alimentary canal do?GI tube organs
cavities, pharynx, esophagus, stomach, small intestine, large intestine
food transport, storage, breakdown, absorption, elimination - 3What does the accessory organs do?tongue, teeth, salivary glands, liver, pancreas
add secretions to tract, contribute to food breakdown
not part of GI tube proper - 4What is the histology of alimentary canal?1. tunica mucosa
2. tunica submucosa
3. tunica muscularis
4. tunica serosa/adventitia - 5What makes the tunica mucosa?epithelium, lamina propria, muscularis mucosae
- 6What makes the tunica submucosa?dense irregular CT
blood vessels, nerves, glands - 7What makes the tunica muscularis?2 or 3 layers (stomach), inner circular, outer longitudinal skeletal muscle, smooth muscle, or mix
- 8Where is the tunica serosa?stomach, small and large intestine
- 9Where is the tunica adventitia?esophagus
- 10Describe the palate?forms the roof of the oral cavity, mouth lining is stratified squamous, dense irregular CT, lacks hair follicles, (lip and cheek similar but have skeletal muscle and lack bone)
- 11Describe hard palate?stratified squamous, lamina propria, mucous glands and bone (deep)
separates nasal cavity from oral cavity and permits simultaneous breathing and chewing, ridges called ruggae - 12Describe soft palate?(more posterior) similar functions and construction, but diagnostically lacks bone, gland more prominant
- 13Identify structures in field of view?hard palate med power
blue arrow - ruggae
yellow arrow - stratifie squamous
orange arrow - lamina propria
black bracket - compact bone
- 14Identify structures in field of view?hard palate med power
yellow bracket - stratified squamous
blue bracket - lamina propria
black bracket - compact bone
- 15Identify structures in field of view?hard palate med power
yellow arrow - stratified squamous
orange arrow - lamina propria
blue bracket - mucous gland
black bracket - cancellous bone - 16Identify structures in field of view?soft palate med power
no bone structure
yellow arrow stratified squamous
orange arrow - lamina propria
blue bracket - mucous gland, some lymphatic tissue present
- 17Describe the tonsils?lymphatic patches located in oral cavity, nasopharynx, oropharynx
immune system first responders that recognize infection and assist with body's immune system response with B and T cell activation, sentries and are designed to become infected, classified by overlying epithelium and other organ context clues - 18Describe palatine tonsils?located in oropharynx, stratified squamous, deep fissure or crypts, prominent germinal centers
- 19Describe adenoids or pharyngeal tonsils?located in nasopharynx, diagnostic is pseudostratified columnar
- 20Describe lingual tonsils?located at base of tongue, look for tongue diagnostics, including papillae and skeletal muscle with pillar and fallen columns
- 21Identify structures in field of view?palatine tonsils low power
yellow circle - germinal center (lymphatic tissue)
yellow arrow - tonsilar crypt
orange arrow - stratified squamous
- 22Identify structures in field of view?palatine tonsils med power
yellow bracket - lymphatic tissue
yellow arrow - tonsilar crypt
orange arrow - stratified squamous
- 23Identify structures in field of view?pharyngeal tonsil (adenoid) med power
yellow bracket - lymphatic tissue
yellow arrow - tonsilar crypt
orange arrow - pseudostratified columnar
- 24Identify structures in field of view?tongue (pillar and fallen columns) med power
orange arrow - circumvallate papillae w/tastebuds
yellow arrow - serous gland
blue arrow - lymphatic tissue
(lingual tonsil)
- 25Describe the pharynx?common chamber that connects to both nasal and oral cavities
- 26Describe nasopharynx?pseudostratified columnar epithelium, adenoids, skeletal muscle, bone
- 27Describe oropharynx?stratified squamous, palatine tonsils, robust skeletal muscle
- 28Describe laryngopharynx?stratified squamous and prominent elastic and hyaline cartilage in actual larynx
epiglottis flap demarcates the entrance into respiratory system - 29Identify structures in field of view?oropharynx, low power
orange arrow - stratified squamous
yellow arrow - lamina propria with lymphatic tissue
black bracket - robust skeletal muscle
- 30Identify structures in field of view?oropharynx med power
orange arrow - stratified squamous
yellow arrow - lamina propria with lymphatic tissue
black bracket - robust skeletal muscle, blood vessels present
- 31Identify structures in field of view?laryngopharynx low power
orange arrow - stratified squamous
yellow bracket - lamina propria
black bracket - plate of elastic cartilage
blue bracket - robust skeletal muscle
yellow arrow - nerve tracts
- 32Describe the esophagus?cylindrical tube that travels through the mediastinal cavity, linking pharynx to stomach, following swallowing a peristaltic wave propels the food bolus from esophagus to stomach
diagnostic features include stellate lumen lined with stratified squamous, submucosa, double layered tunica mucosa of muscles that can be skeletal, smooth, or mix
outside of tract is layer of CT called tunica adventitia - 33Describe upper esophagus?lacks muscularis mucosa, tunica submucosa, and two layered tunica muscularis is entirely skeletal muscle
- 34Describe middle esophagus?prominent muscularis mucosa of smooth muscle, tunica submucosa, and two layered tunica mucosa that is mixed smooth muscle inner and skeletal muscle outer
- 35Describe lower esophagus?prominent muscularis mucosa of smooth muscle, tunica submucosa, and two layered tunica mucosa is entirely smooth muscle
- 36Identify structures in field of view?upper esophagus, low power
yellow arrow - stratified squamous no muscularis mucosae
black bracket - tunica submucosa
blue bracket - tunica muscularis entirely skeletal muscle
- 37Identify structures in field of view?upper esophagus, low power
yellow arrow - stratified squamous no muscularis mucosae
black bracket - tunica submucosa
blue bracket - tunica muscularis entirely skeletal muscle
orange arrow - auerbach's plexus
- 38Identify structures in field of view?middle esophagus low power
yellow arrow - stratified squamous
purple bracket - lamina propria
orange arrow - muscularis mucosa
black bracket - tunica submucosa
blue bracket - tunica muscularis
orange bracket - circular layer smooth muscle
yellow bracket - outer longitudinal skeletal muscle
- 39Identify structures in field of view?middle esophagus high power
yellow arrow - stratified squamous
purple bracket - lamina propria
orange arrow - muscularis mucosa
black bracket - tunica submucosa
blue bracket - tunica muscularis
orange bracket - circular layer smooth muscle
yellow bracket - outer longitudinal skeletal muscle
- 40Identify structures in field of view?lower esophagus high power
yellow arrow - stratified squamous
purple bracket - lamina propria
orange arrow - muscularis mucosae
black bracket - tunica submucosa
blue bracket - tunica muscularis
orange bracket - circular layer smooth muscle
yellow bracket - outer longitudinal smooth muscle
black arrow - auerbachs plexus
- 41Identify structures in field of view?detail of tunica mucosa high power
yellow arrow - stratified squamous
purple bracket - lamina propria
blue bracket - muscularis mucosa
- 42Identify structures in field of view?tunica muscularis high power
orange bracket - circular layer smooth muscle
yellow bracket outer longitudinal smooth muscle
yellow arrow - auerbach's plexus
blue arrow - tunica adventitia
- 43Describe the mesentery, peritoneum, and omentum?CT lines the abdominal cavity, anchors GI organs in place, and cushions portions of GI tract, extreme abdominal adiposity can be an indicator of atherosclerosis and coronary artery disease
- 44Describe peritoneum?lines the inside of the abdominal cavity, consists of a serous membrane and dense irregular CT
- 45Describe mesenteries?link organs together and anchor organs to the back body wall, similar to peritoneum in construction, consist of a double fold of peritoneum (dense irregular CT with serous membrane exterior)
- 46Describe omentum?large, flat fold of mesentery that contains abundant quantities of white adipose tissue, lesser omentum connects the liver to the lesser curvature of the stomach and the greater omentum hangs from the inferior edge of the stomach
- 47Identify structures in field of view?peritoneum medium view
blue bracket - peritoneum (dense irregular CT with layer of simple squamous serous cells at surface)
blue arrow - simple squamous serous epithelium
- 48Identify structures in field of view?peritoneum, low power
blue brackets - peritoneum (dense irregular CT with layer of simple squamous serous cells at surface)
blue arrow - simple squamous serous endothelium
black bracket - aponeurosa (tendon) flat tendon in abdominal musculature
- 49Identify structures in field of view?peritoneum low power
blue bracket - peritoneum (dense irregular CT with layer of simple squamous serous cells at surface)
blue arrow - simple squamous serous endothelium
black bracket - skeletal muscle of outer abdominal musculature
- 50Identify structures in field of view?mesenteries anchor abdominal organs to back body wall, double layer of peritoneum and often contain fat cells
blue bracket - mesentery (white adipose tissue, 3 layers of endothelium and dense irregular CT)
blue arrow - simple squamous endothelium, thin dense irregular CT
black bracket - skeletal muscle of outer abdominal musculature
- 51Identify structures in field of view?omentum low power
large fat filled mesentery found between liver and stomach or hanging from free edge of stomach
blood vessels, lymphatics and nerves are often visible within structure
- 52Identify structures in field of view?omentum med power
orange arrow - simple squamous endothelium
purple arrow - muscular artery
blue arrow - medium vein
yellow arrow - nerve tract
- 53Identify structures in field of view?detail of omentum, simple squamous endothelium, thin layer of dense irregular CT, white adipose tissue deep
- 54Identify the organ in the entire field of view?middle esophagus
- 55Identify the structure in the entire field of view, be specific? Identify the indicated black bracket?hard palate
black bracket - compact bone
- 56Identify the area in entire field of view? Identify the structure at yellow arrow?laryngopharynx
yellow arrow - elastic cartilage
- 57Identify the structure in the entire field of view? Identify the opening at the orange arrow?palatine tonsil
orange arrow - tonsilar crypt
- 58Identify the structure in entire field of view? Identify the structure at orange arrow?omentum
orange arrow - muscular artery
- 59Identify the organ in the entire field of view? Identify the layer indicated at the yellow arrow?lower esophagus
yellow arrow - muscularis mucosa
- 60Identify the structure in entire field of view?hard palate
- 61Identify the structure in entire field of view? Identify the structure indicated by yellow arrow?peritoneum
yellow arrow - aponeurosa (tendon)
- 62Identify the structure at yellow arrow?yellow arrow - auerbachs plexus
- 63Identify the area in the field of view?oropharynx
- 64Identify the organ in the entire field of view? Identify the layer at the yellow arrow?upper esophagus
yellow arrow - tunica submucosa
- 65Identify the structure in the entire field of view?pharyngeal tonsil (adenoid)
- 66Identify the structure in the entire field of view?soft palate
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- college Biology 437 Histology Flashcards on Lab 9: Upper GI Tissue, created by Taylor Bickel on 23/03/2021.
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