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Chpt 3: A.2
Pig Disection: Digestive & Respiratory
20
Biology
12th Grade
01/25/2013

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Term
Glottis
Definition
Longitudinal, slit-like opening in the center of the layrnx; it is open during inspiration.
Term
Epiglottis
Definition
Flap of fibrocartilage that helps deflect food around the glottis of mammals during swallowing
Term
Conchae
Definition
Folds of tissue in the nasal cavity; it increases the surface area available for humidifying and warming air.
Term
Pharynx
Definition
At the back of the throat; divided into three parts: oral, nasal, and laryngeal.
Term
Esophagus
Definition
Long, compressed tube dorsal to the trachea through which food passes to the stomach
Term
Tounge
Definition
Completely muscular tissue of the mouth containing no bony or cartilaginous elements; this structure helps in the breakdown and swallowing of food.
Term
Marginal Papillae
Definition
Lace-like structures on the tounge create a firm connection between the tounge of the piglet and the nipple of the sow when nursing
Term
Fungiform & Vallate Papillae
Definition
Two types of papilla located on the rostral half of the tounge surface. Microscopic taste bubs are associated with these
Term
Filiform papillae
Definition
Type of papillae that serve to provide a better grip on food as it is pushed into the gullet during swallowing
Term
Endocrine glands
Definition
Glands without ducts
Term
Exocrine Ducts
Definition

Glands with ducts

 

Term
Trachea
Definition
Another name for the windpipe; it extends caudally from the larynx
Term
Hard Palate
Definition
Part of the palate with its transverse ridges or rugae forming the roof of the mouth
Term
Solf palate
Definition
Structure extending caudally from the hard palate; it has a smooth surface and is completely muscular; it forms the roof of the oral pharynx
Term
Thymus
Definition
Large glandular mass on each side of the neck
Term
Vocal cords
Definition
Folds of membrane within the larynx; it is involved with the production of sound
Term
Thyroid gland
Definition
Endocrine gland located caudal to the larynx; a purpleish mass
Term
Parathyroid Gland
Definition
Gland embedded in the thyroid; t secretes a chemical that helps regulate calcium metabolism
Term
Incisive Papillae
Definition
Papilla that is prominent at the rostral end of the hard palate
Term
Vomeronasal Organs
Definition
Minute canals that are embedded in the floor of the nasal cavities and serve as olfactory organs; used in communication
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