Anatomy Of The Upper Digestive System And Stomach

Question 1

Alimentary

Answer 1

Pertaining to food or nutrition

Question 2

Papillae

Answer 2

A small protrusion or process

Question 3

Components?

Answer 3

Mouth
Pharynx
Alimentary canal
Accessory glands
Blood vessels
Nerves

Question 4

Pharynx

Answer 4

Swallowing

Skeletal muscle

Question 5

Alimentary canal

Answer 5

Connects from esophagus to anus

Enter Canal along body

Question 6

Accessory glands

Answer 6

Salivary glands
Endocrine glands
Exocrine glands…pancreas liver
Glandular tissue

Question 7

Blood vessels

Answer 7

Hepatic blood circulation

Providing oxygen to organs

Question 8

Nerves

Answer 8

Controls effector tissues 
Smooth muscle/skeletal muscle/ glands 
Walls of alimentary canal 
Esophagus and anus: skeletal
In between: both

Question 9

Factors involving digestion

Answer 9

Physical: chewing grasping mixing

Chemical: hcl Naco2

Biological: hormones and enzymes and microbes

Question 10

Anatomy of upper digestive system: boundaries

Answer 10

Dorsal: hard and soft pellet
Cadual: entering pharynx
Ventral: soft tissue…floor of mouth
Lateral/cranial: teeth

Question 11

Anatomy of upper digestive system: vestibule

Answer 11

In front of teeth and lips between teeth and cheeks…in front of cranial boundary

Temporary storage, protects mouth cavity proper

Question 12

Anatomy of upper digestive system: lips

Answer 12

Must have muscle tissue

Most flexible: horses
Least flexible: pigs

Question 13

Anatomy of upper digestive system: hard palate

Answer 13

Non-secreting mucous membrane

Lampers: inflammation of raphe

Question 14

Anatomy of upper digestive system: tongue composition

Answer 14

Smooth and skeletal muscle

Question 15

Anatomy of upper digestive system: tongue divisions

Answer 15

Tip: loose part (grasping) cranial
Body: tip to middle (frenulum)
Root: most stable (swallowing) caudal

Question 16

Anatomy of upper digestive system: tongue papillae

Answer 16

Raised area
Filiform: tip hairs…no taste receptors
Fungiform: sparse…toad spools…taste receptors
Valate: body…taste receptors/ serous glands

Question 17

Anatomy of upper digestive system:

Tongue functions

Answer 17

Grasping
swallowing
Tasting
Grooming
Food processing
Nursing 
Vocalization

Question 18

Anatomy of upper digestive system: salivary glands ( parotid)

Answer 18

Exocrine
Saliva aids in swallowing
Located at jaw
Autonomic

Question 19

Anatomy of upper digestive system: salivary glands (mandibular)

Answer 19

Located on sides of the mandible

Duct directs toward lower jaw

Question 20

Anatomy of upper digestive system: salivary glands (sublingual)

Answer 20

Located under tongue along body of nerve

Question 21

Anatomy of upper digestive system: teeth (substance)

Answer 21

Consists of body and root; crown is portion above the gum line. Approx 95% of the tooth development takes place prior to tooth eruption

Question 22

Teeth-dentine

Answer 22

Formed by inward movement of odontoblasts; contains the pulp cavity

When pulp cavity is exposed., it fills in with secondary dentine

Question 23

Teeth- enamel

Answer 23

Outside covering; hardest substance; formed by outward growth of enamelblasts; covered by cuticle

Question 24

Teeth- cement

Answer 24

Formed by cementoblasts; outer covering turns black when stained with mucus and grass juice

Question 25

Anatomy of upper digestive system: teeth (classifications)

Answer 25

Classifications of teeth is based upon positioning and function

Question 26

Incisors

Answer 26

Cutting teeth at cranial end, also used for defense

Question 27

Canines

Answer 27

Tusks, tushes, bridle teeth, eye teeth; only in boars, stallions and geldings Used for fighting and digging Deer and goats don't have them

Question 28

Premolars

Answer 28

First three cheek teeth; used for grinding; rudimentary P1 called wolf teeth Generally pulled

Question 29

Molars

Answer 29

Actual grinding teeth Last three teeth up and bottom

Question 30

Cheek teeth

Answer 30

Premolars and molars

Question 31

Hand hold

Answer 31

Space located caudal to incisors

Question 32

Needle teeth

Answer 32

Canine and premolars

Question 33

Anatomy of upper digestive system:stomach

Answer 33

Simple: mono gastric Prefers chemical aspects of digestion prior to fermentation Compound: multi stomach Performs fermentation prior to digestion with chemical aspects

Question 34

Anatomy of upper digestive system: simple stomach regions

Answer 34

Cardium: leading from esophagus to stomach Has a ring called a sphincter that dilated and constricts around the esophagus Pylorus: stomach to intestines called pyloric sphincter

Question 35

Anatomy of upper digestive system: simple stomach layers

Answer 35

Esophageal: no secretions, nonglandular Cardiac: produces mucus, glandular Fundic: produces hcl, mucus, pepsinogen, lipase Pyloric: everything fundic does except hcl

Question 36

Anatomy of upper digestive system: the compound stomach

Answer 36

Nonglandular: Rumen, reticulum, omasum Digestion with chemical aspects then fermentation Glandular: abomasum Fermentation then digestion with chemical aspects

Question 37

Digestion

Answer 37

Process by which ingested food is broken down and prepared for assimilation