Download Digestive System - El Camino College

DIGESTIVE SYSTEM
Lab: Handout #11
Objectives: be able to identify the following structures on the following models -- torso, digestive plaque, stomach,
liver, pancreas, small/large intestines, and tooth
I.
II.
III.
IV.
V.
VI.
Vestibule
a. Frenulum of lips (upper & lower)
Oral cavity proper
a. Palate
i. Hard palate
ii. Soft palate
b. Uvula
c. Tongue
i. Lingual frenulum
d. Tooth
i. Structures
1. Tooth crown
2. Neck
3. root
4. Tooth enamel
5. Dentin
6. pulp cavity
7. cementum
ii. Types
1. Incisors
2. Canines (cuspids)
3. Premolars (bicuspids)
4. Molars
e. Salivary glands/ducts
i. Parotid gland
ii. Submandibular gland
Pharynx
a. Oropharynx
i. Fauces
b. Laryngopharynx
Esophagus
Stomach
a. External Stomach
i. Greater curvature
ii. Lesser curvature
iii. Greater omentum
iv. Lesser omentum
b. Cardiac region
i. Cardia
ii. Fundus
iii. Body
iv. Pylorus
c. Internal Stomach
i. Cardiac (lower esophageal)
sphincter
ii. Pyloric sphincter
iii. Rugae (folds)
Small intestine
a. Duodenum
VII.
VIII.
IX.
i. Duodenal papilla (contains
sphincter of Oddi)
ii. Plicae circularis of duodenum
b. Jejunum
c. Ileum
d. Villus
i. Lacteal
ii. capillaries
e. Intestinal crypts (containing intestinal
glands)
Large Intestine
a. Cecum
i. Ileocecal valve
ii. Vermiform appendix
b. Colon
i. Ascending colon
ii. Transverse colon
iii. Descending colon
iv. Sigmoid colon
c. Rectum
d. Anus
i. Anal sphincters (internal and
external)
e. Flexures of colon
i. Hepatic (right colic) flexure
ii. Splenic (left colic) flexure
f. Haustra
g. Taenia coli (with Epiploic appendages)
h. Mesocolon
Gall Bladder
a. Regions
i. Fundus
ii. body
iii. neck
b. Cystic duct
c. Rugae
Liver
a. Liver lobes
i. Left lobe
ii. Right lobe
1. Duodenal impression
2. Colic impression
3. Renal impression
iii. caudate lobe
iv. quadrate lobe
b. Liver ligaments
i. Falciform ligament
ii. Round ligament (ligamentum
teres) = degenerated umbilical vein
DIGESTIVE SYSTEM
Lab: Handout #11
X.
XI.
iii. ----------------------------Ligamentum teres (round
-----------ligament)
iv. --------------------Coronary ligament
c. Hilum of liver (porta hepatis)
d. Inferior vena cava
e. Hepatic Portal vein
f. Hepatic artery
g. Hepatic vein
Network of biliary ducts
a. Right hepatic duct
b. Left hepatic duct
c. Common hepatic duct
d. Common bile duct
Pancreas
a. Pancreas Head
b. Pancreas Body
c. Pancreas Tail
d. pancreatic duct (of Wirsung)
XII.
XIII.
e. Accessory duct (of Santorini)
f. Main pancreatic duct
g. hepatopancreatic ampulla (of Vater)
spleen
a. hilus of spleen
suprarenal glands (adrenal gland)
a. cortex
b. medulla