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Head/Neck Anatomy
Chapter 2
Question | Answer |
---|---|
The frontal region of the head includes: | The forehead and the area superior to the eyes. |
What is inferior to each eyebrow? | The supraorbital ridge or the superciliary ridge. - Tends to be more prominent in adult males. |
The glabella is...? | The smooth, elevated area between the eyebrows. - Tends to be flat in children and adult females. |
The prominence of the forehead is called the...? | Frontal eminence and is typically more pronounced in children and adult females. |
The external ear is composed of the...? | Auricle and the external acoustic meatus. |
What is the function of the auricle? | To collect sound waves. |
What is the function of the external acoustic meatus? | To transmit sound waves to the middle ear. |
The superior and posterior free margin of the auricle is called the...? | Helix |
The helix ends inferiorly at the...? | Lobule |
Anterior to the external acoustic meatus is the...? | Tragus - flexible due to its cartilage. |
Inferior to the tragus is the...? | Antitragus |
The deep notch between the tragus and the antitragus is the...? | Intertragic Notch |
The _____ surrounds the eyeball and its supporting structures. | Orbit |
White area of the eyeball - | Sclera |
Central area of coloration - | Iris |
Opening center of the iris - | Pupil |
Behind each upper eyelid is the... | Lacrimal gland - produces lacrimal fluid and tears. |
The conjunctiva is the...? | Delicate and thin membrane lining the inside of eyelids and front of the eyeball. |
Lateral canthus - | Where the upper and lower eyelids meet. |
Medial canthus - | The inner angle of the eye. |
The root of the nose is located... | between the eyes. |
Inferior to the glabella lies the _______ which corresponds to the junction of the underlying bones. | Nasion |
Another word for nostril - | Naris |
Midline of the nose separating the nares - | Nasal Septum |
Ala are... | The winglike cartilaginous structures that laterally bind the nares. |
Temporomandibular Joint - | Where the upper skull joins a joint with the lower jaw. |
Which muscle of the buccal or cheek area can be felt when a client clenches his or her teeth together? | The masseter muscle. |
The Vertical Dimension of the Face is the perspective that... | The face is divided into thirds. |
The Golden Proportions are... | A set of guidelines when discussing and comparing the functional and asthetic purposes of each third. |
The lips are also known as the... | Gateway of the oral region. |
The vermillion zone and border are... | darker in appearance than the surrouding skin of the lips. |
Philtrum | The vertical groove along the midline of the upper lip and inferior to the nasal septum. |
Where does the philtrum terminate? | At the tubercle of the upper lip. |
The labial commisure is where... | the upper and lower lip meet on either corner. |
Nasolabial Sulcus | The groove running upward between the labial commisure of the lips and the ala of the nose. |
True or False? The labiomental groove separates the lower lip from the chin in the mental region. | True |
Mucosa - | The mucous membrane or mucosa that lines the oral cavity. |
The parotid papilla is located where and serves what function? | Located opposite the maxillary second molar and contains the duct from the parotid salivary gland. |
Pink and thick mucosa - | Labial or buccal |
Red and thin mucosa - | Alveolar |
Labial/Buccal Mucosa meet with the Alveolar Mucosa at which landmark? | The mucobuccal fold. |
Labial Frenum - | Where the alveolar and labial mucosa meet at the midline of the maxilla and the mandible. |
Gingiva - | Gums - composed of a firm, pink mucosa |
Where do the attached gingiva meet the alveolar mucosa? | At the mucogingival junction. |
Marginal gingiva is... | is free and not attached to the bone. Located along the margin of each tooth. |
Deep to the marginal gingiva lies the... | Sulcus |
Attached gingiva that extends between the teeth is called... | Interdental gingiva or papilla |
Anterior portion of palate = | Hard palate - firmer and whiter |
The midline ridge of tissue of the palate is called the... | Median palatine raphe |
Lingual to the anterior teeth is the _______ ______, which is a small budge of tissue at the most anterior portion of the hard palate. | Incisive papilla |
Firm, irregular ridges of tissue | Palatine rugae |
Comprising 15% of the palate is the... | Yellower, looser, posterior, soft palate. |
The _____, _____, and _____ make up the thirds of the tongue. | Apex, Body, and Base |
The base of the tongue is located in... | the oral portion of the throat. |
Lingual Papillae - | Small elevated structures of specialized mucosa. Some are associate with taste buds. |
Lateral papillae are called... | Foliate Lingual Papillae - more prominent in children. |
Midline depression of the dorsal surface of the tongue - | Median lingual sulcus |
Dorsal papilla are called... | Filiform Lingual Papillae - slender and threadlike. Fungiform Lingual Papillae - red mushroom-shaped dots |
Where are Fungiform Lingual Papillae more numerous? | The apex of the tongue and they also contain taste buds. |
Separating the body and base of the tongue is the... | V-Shaped groove called the sulcus termnialis. |
At the tip of the V-Shaped sulcus terminalis is the... | Foramen Cecum |
Lining the sulcus terminalis are... | Circumvallae lingual papillae |
Plicae Fimbriatae - | Run laterally to the deep veins of the ventral tongue with fringelike projections. |