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Flashcards in Block 3 Histo of the Gut Deck (74):
1

layers of oral cavity

epithelium (nonkeratinized stratified squamous mucosa), connective tissue (lamina propria, submucosa)

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posterior third of tongue has this which is a lymphoid organ

lingual tonsil

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anterior 2/3 of tongue has blank on it

papillae

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mucus glands stain blank

lightly

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two types of papillae

filiform, fungiform

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filiform papillae function to blank food

scrape

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fungiform papillae contain blank and look like a blank

taste buds, mushroom

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blank papillae also have taste buds

circumvallate

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tongue layers

epithelium, ct, muscle

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proprioceptor that holds tooth in alveolar bone

periodontal ligament

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these make enamel during tooth development

amyloblasts

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amyloblasts blank after eruption

die

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odontoblasts blank after eruption

are fine

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mucosa is derived from blank and is made of blank cells

endoderm, epithelial columnar

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beneath mucosa is the blank which is a ct and allows for blood supply by diffusion into the mucosa

lamina propria (submucosa)

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layers around gut`

mucosa, submucosa, muscularis externa, adventitia/serosa

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mucosa functions to promote digestion by blank

enzymatic secretion

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small intestine absorbs blank

food nutrients

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large intestine absorbs blank

water, electrolytes

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small intestine to rectum has blank cells which secretes mucus

goblet cells

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only organ that has surface columnar cells secreting mucus

stomach

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production of hormones by blank cells in the gut

enteroendocrine

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the blank is the largest endocrine gland

gut

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epithelium of the mucosa forms a blank between what is in the blank and blank

barrier, lumen, body

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blank nodules are common in the submucosa

lymphoid

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blank occur in the submucosa of the esophagus and duodenum

glands

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most places only have glands in the blank not the blank

mucosa, submucosa

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submucosa also has the blank which has postganglionic parasympathetics

meissners plexus (submucosal plexus)

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this is located between inner circular and outer longitudinal layers of muscularis externa and has postganglionic parasympathetics for peristalsis

myenteric plexus (auerbachs plexus)

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esophagus has upper 1/3 blank muscle

skeletal

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esophagus has middle 1/3 blank muscle

mixed

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esophagus has lower 1/3 blank muscle

smooth

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cardiac region and the body of the stomach has a blank layer of muscle which is unique

oblique

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cardiac region and the body of stomach has these layers of muscles

circular (middle), longitudinal (outer), oblique (inner)

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pylorus has a thickened blank layer of muscle to form the pyloric sphincter

circular

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large intestine has an outer longitudinal band of muscle that is incomplete which forms three bands called blank

taenia coli

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anal canal has an inner circular layer of smooth muscle that forms the blank and is thickened

internal anal sphincter

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the blank is made of skeletal muscle and is voluntary

external anal sphincter

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serosa is aka the blank

visceral peritoneum

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adventitia and ct with no squamous epithelium is located in the blank and blank

esophagus, rectum

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this contains fibrous connectie tissue with arteries, veins, nerves, glands in the esophagus

submucosa

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part of esophagus that is fibrous connective tissue sheatht that binds the esophagus to the trachea

adventitia

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fundus/body of stomach has blank pits and blank glands

short, long

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mucous neck cell secrete blank

PGs

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mucous neck cell requires a blank stain

PAS

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mucous is a blank

carbohydrate

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neck of the gland also contains blank cells

undifferentiated stem cells

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parietal stains blank and are located at blank of gland

not very well, top

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chief cells are located at the blank of the gland

bottom

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enteroendocrine cells are located at blank of gland

bottom

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parietal cells secrete blank and intrinsic factor (aka blank)

HCl, vitamin b12

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chief cells secrete this

pepsinogen

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pepsinogen initiates blank digestion in the blank

protein, stomach

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enteroendocrine cells secrete small blank

polypeptide hormones

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pylorus of the stomach has blank pits and blank glands and the base of the glands is blank stained

long, short, lightly

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surface lining cells and glands of the pylorus are blank positive

PAS

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blank and blank cells are present in the pyloric glands

mucous, enteroendocrine

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muscularis externa in the cardiac region and body has blank layers

3

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muscularis externa at pyloric sphincter has these layers

circular, longitudinal

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SI three ways of increasing surface area

plicae circulares, villi, microvilli

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two layers that make up a plicae circulares

mucosa, submucosa

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microvilli are formed from blank filaments and are anchored in the blank

actin, terminal web

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unique cell of SI that is involved in immune function by producing lysozymes to break down bacterial cell walls

paneth cells

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si cell type that tells lymph nodule whats coming into the lumen like little sensors

M cells

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this is in the core of the villus and contains ct, small vessels, lymphatics/lacteals, and many plasma cells

lamina propria

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the submucosa is different in the blank than these two because the submucosa of the duodenum has blank

duodenum, jejunum/ileum, glands

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these glands of the duodenum produce alkaline mucus for buffering

brunner cells

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in the ileum, there are many lymphoid nodules in the lamina propria and submucosa called blank

peyer's patches

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there are blank glands within the mucosa of the large intestine and there are no plicae, villi, and very few microvilli

simple tubular

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duodenum to colon has an exponential increase in blank cells

goblet

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goblet cells make blank

mucus

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in large intestine, there are many blank in the lamina propria

macrophages

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modified muscularis externa of the large intestine that has three bands

taenia coli

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25% of cells in the gut are blank cells (GALT)

lymphoid