Head Things Flashcards
A skull in the shape of an elongated cone
Dolichochephalic
A skull in pyramid-shape, equal length cranium and mussle
Mesochephalic
A skull that is as wide as it is short, shorter mussle than cranium
Brachycephalic
Part of the oral cavity between the labia and teeth?
Oral Vestibule
- labial vestibule
- buccal vestibule
Part of the oral cavity within the boundaries of the teeth?
Proper oral cavity
The roof of the oral cavity is the _________________ with transverse ridges
Hard palate
The _____________ just caudal to the central incisor teeth is linked to the vomeronasal organ
Incisive duct
The eminence is the incisive papilla
The incisive duct passes through the __________________ and opens into the ventral nasal meatus
Palatine fissure
The _____________ opens through the cheek on a small papilla located the opposite end of the upper fourth premolar
Parotid duct
The duct of the ___________ gland opens into the vestibule lateral to the last upper premolar
zygomatic
Fold of tissue that extends form the body of the tongue to the beginning of the soft palate
Palatoglossal arch
The caudal third of the tongue is the _______
Root
The free end of the tongue is the ?
Apex
The attachment of the tongue to the base of the jaw
Frenulum
What are the types of papillae found on the tongue?
Filiform Conical Fungiform Folliate Vallate
_____________ papillae are found at the root of the tongue, pointed tip
Conical
_____________ papillae are at the junction of the body and root of the tongue, are circular, and are arranged to form a V shape
Vallate
______________ papillae are the predominate papillae on the body of the tongue and are pointed (keratinized in the cat)
Filiform
____________ papillae have smooth rounded surfaces and are scattered on the body of the tongue
Fungiform
Fungs-> like little mushroom tops
____________ papillae are found on the lateral aspect of the tongue, rostral to the palatoglossal arch
Foliate
Fusiform fiberous spicule extending from the frenulum to the tip of the apex of the tongue on the ventral side of the tongue.
Lyssa
What muscle arises from the stylohyoid and inserts laterally in the middle of the tongue?
Styloglossus muscle
The styloglossus muscle has what action?
Retract and elevate the tongue
What muscle arises from the thyrohyoid and basihyoid, and inserts on the root of the tongue?
Hyoglossus
What muscle lies within the frenulum passing from the intermandibular articulation to the median tongue?
Genioglossus
What muscle originates at the sternum inserts on the basihyoid bone
Sternohyoideus
What muscle extends from the thyroid cartilage of the larynx to the thyrohyoid bone
Thyrohyoideus
What muscle spans the inermandibular space and inserts caudally on the basihyoid bone?
Mylohyoideus
What muscle is deep to the mylohyoideus, spans the inermandibular space and attaches to the basihyoid bone
Genioglossus
What is the raised mucosa lateral to the rostral part of the frenulum, and what ducts empty here?
Sublingual caruncle
Mandibular duct and sublingual duct
What gland is located lateral to the angle of the mandible between the maxillary and linguofacial veins?
Mandibular
What gland lies deep the the mandibular salivary gland?
Subliguninal gland
What gland likes between the mandibular salivary gland and the ear?
Parotid salivary gland
What duct courses across the middle of the masseter muscle to empty at the upper 4th premolar?
Parotid duct
What gland is between the eyeball and the pterygoid muscle, medial to the zygomatic bone?
Zygomatic salivary gland
The duct of the zygomatic salivary gland opens to the vestibule at the ?
Last molar
The pharynx is divided into what three areas?
Oropharynx
Nasopharynx
Laryngopharynx
What are the limits of the oropharynx?
Rostral- palatoglossal arches
Caudal- base of epiglottis and root of tongue
What tonsil is located in the oropharynx?
Palatine tonsil
Under semilunar fold
The palatine tonsil is covered by the ________ fold
Semilunar
What are the borders of the nasopharynx?
Rostral- choanae (caudal opening of nasal cavity at caudal end of hard palate)
Caudal - palatopharyngeal arches and caudal border of soft palate
What opens into the nasopharynx, through a slit like opening
Auditory tube
What are the borders of the laryngopharynx?
Rostral- palatopharyngeal arches to the beginning of the esophagus
The esophagus begins at an annular contraction called?
Phayngoesophageal limen
What are the 4 cartilaginous structures of the larynx?
Epiglottis
Thyroid
Arytenoid
Cricoid
What two prominences of the arytenoid cartilage of the larynx are important in opening and closing the airway?
Corniculate process
Cuneiform process
What cartilage lies at the entrance to the larynx and attaches to the basihyoid?
Epiglottic
What forms the aryepiglottic fold of the larynx?
Mucosa attaching from the arytenoid cartilage to the lateral margin of the epiglottic cartilage
What cartilage forms a complete ring and is located within the trough of the thyroid cartilage ?
Cricoid
The tongue and larynx are connected by?
Hyoid apparatus
What are the 3 pharyngeal muscles, rostral to caudal?
Hyopharyngeus
Thryropharyngeus
Cricopharyngeus
The vocal folds and arytenoid cartilage makes up the?
Glottis
The opening/passageway through the glottis is the?
Rima glottis
The thyroarytenoideus muscle contains what two muscles
Vocalis muscle Ventricularis muscle (rostral lay)
What is the function of thyroarytenoideus muscle?
Relax the vocal fold and to constrict the glottis?
The ___________ fold form the rostral boundary and the ____________ fold forms the caudal boundary to the laryngeal ventricle
Vestibular
Vocal
A diverticulum of mucosa in the larynx
Laryngeal ventricle
What muscle passes from the ventral part of the cricoid cartilage to the thyroid cartilage?
Cricothyroid muscle
What muscle tenses the vocal fold for phonation?
Cricothyroideus muscle
What muscle controls the glottis and relaxes the vocal fold?
Thyroarytenoideus muscle
What is the only muscle that opens the glottis?
Cricoarythenoideus dorsalis
All the muscles of the larynx are innervated by the caudal laryngeal nerve except the ________ muscle
Cricothyroideus
What muscle arises from the lateral cricoid cartilage to insert on the arytenoid cartilage and functions to close the glottis
Cricoarytenoideus lateralis
The lateral folds of the nose pad are the _______ folds?
Alar
The external division of the nose to the mouth is the _____________
Philtrum
What separates the nasal cavities?
Median nasal septum
__________ project into the nasal cavity with mucosa that warms and cleanses inspired air
Conchae (dorsal and ventral)
What are the four primary passage ways around the concha ?
Dorsal nasal meatus
Middle nasal meatus
Ventral nasal meatus
Common nasal meatus
What occupies the fundus of the nasal cavity with many delicate scrolls attaching the the cribriform plate?
Ethmoidal labyrinth
What bone is located between the cranium and the facial part of the skull
Ethmoid bone
Made up of cribriform plate and ethmoidal labyrinth
What lymph node is located rostral to the parotid salivar gland?
Parotid lymph node
The _______________ lymph node lies ventral to the mandibular salivary gland and straddles the ___________ vein
Mandibular
Linguofacial
What lymph node likes between the wing of the atlas and the larynx?
Retropharyngeal lymph node
What gland is located lateral to the trachea and caudal to the larynx?
Thyroid gland Parathyroid gland ( small and cranial the the thyroid gland)
