Mouth, Pharynx and Oesophagus

Question 1

Lips (labia)

Answer 1

Made of skin (outer) and mucous membrane (inner); cover orbicularis muscle

Question 2

Cheeks

Answer 2

Lateral walls of oral cavity; made of skin (outer) and mucous membrane (inner); cover buccinator muscles

Question 3

Gingivae

Answer 3

(Gums); soft tissue; lines sockets of maxillae/mandible and surrounds teeth

Question 4

Oral vestibule

Answer 4

Space frames by the lips, cheeks and gums

Question 5

Fauces

Answer 5

Opening between oral cavity proper and the pharynx

Question 6

Oral cavity proper

Answer 6

Area contained by gums and fauces

Question 7

Hard palate

Answer 7

Anterior roof of oral cavity; partition between mouth and nasal cavities; made by maxillary and palatine bones

Question 8

Soft palate

Answer 8

Posterior roof of oral cavity; made of muscle

Question 9

Uvula

Answer 9

Fleshy projection from soft palate; prevents foods and liquids from entering nose

Question 10

Tonsils

Answer 10

Soft tissue masses; Palatine located at posterior end of oral cavity;
Lingual located at the base of the tongue

Question 11

Tongue

Answer 11

Skeletal muscle lined with papillae (tastebuds); Anchored to mandible, hyoid and styloid processes of temporal bones; Attached to floor of mouth by lingual frenulum; Contains lingual glands (secrete lingual lipase); Positions food for chewing, gathering and swallowing

Question 12

Salivary glands

Answer 12

Exocrine glands; Secrete saliva (which is a mixture of mucous, serosa and enzymes) needed for digestion, lubrication, cleaning, antimicrobial action and pH buffering; Glands are located in floor of mouth (submandibular), below tongue (sublingual) or anterior to ears (parotid)

Question 13

Teeth (dentes)

Answer 13

20 deciduous (baby teeth) which are replaced by 32 permanent teeth;
Anchor into sockets of maxilla and mandible by periodontal ligament;
Include: incisors (cutting), canines (tearing, piercing); premolars (grinding); molars (grinding)