Anatomy- Splanchnology Flashcards
How many permanent teeth are there?
32
How many deciduous teeth are there?
20
What nerve supplies the teeth?
The superior and inferior alveolar nerve
What muscles make up the pillars of the fauces?
Palatoglossal and palatopharyngeal m.
What are the muscles of swallowing?
the constrictor group
What nerves innervate swallowing?
CNIX (glossopharyngeal) and CN X (Vagus)
What do the intrinsic muscles of the tongue do?
alter the shape of the tongue
What muscle sticks the tongue out?
genioglossus
What muscle pulls the tongue back in?
styloglossus
What muscle elevates the tongue?
palatoglossus
What muscle depresses the tongue?
hypoglossus
Which of the muscles that moves the tongue is innervated by CN X? (vagus)
Palatoglossus
What nerve innervates most of the motor actions of the tongue?
CN XII Hypoglossal nerve
What innervates touch of the anterior 2/3 of the tongue?
Lingual nerve, a branch of the mandibular division (V3) of the trigeminal nerve CN V
What innervates taste of the anterior 2/3 of the tongue?
CN VII Facial nerve, Chordatympani branch
What innervates touch and taste of the posterior 1/3 of the tongue?
CN IX (Glossopharyngeal)
What innervates touch and taste for the epiglottis?
CN X (Vagus)
What glandular duct opens at the level of the 2nd maxillary molars?
parotid gland
What bone to the top teeth attach to?
Maxilla
What do the tensor palati and elevator palati do?
raise and tauten the soft palate
Which muscle elevates the larynx?
Stylopharyngeus
What does palatopharyngeus muscle do?
depresses the soft palate, puts tongue to mouth
What does the salpingopharyngeus muscle do?
opens the auditory tube
What nerve innervates the upper 1/3 of the straite muscle of the esophagus?
CN X Vagus
Where does peristalsis occur in the esophagus?
Inferior 2/3
What passes through the diaphragm?
the esophagus, the aorta and the inferior vena cava
What organs are retroperitoneal?
duodenum, ascending and descending colon, kidney, pancreas (partially)
Describe the musculature of the stomach from the inside out
Internal- oblique
Middle- circular
Outer- longitudinal
What artery supplies the stomach
the celiac via the L and R gastric arteries
The greater curvature of the stomach is supplied by which arteries?
R and L gastroepiploic arteries
The lesser curvature of the stomach is supplied by which arteries?
R and L gastric arteries
What are 3 branches of the celiac trunk?
left gastric, common hepatic, splenic
What organs receive blood from the celiac trunk?
Liver, Stomach, Spleen
What are the 3 main veins that drain into the portal vein?
Splenic, Superior and Inferior mesenteric
What kind of nerves are splanchnic nerves?
sympathetics
What action of the spastic nerves have on the stomach?
decrease peristalsis and acid secretion
What provides the parasympathetics to the stomach?
Vagus nerve, CN X
What action to parasympathetics have on the stomach?
increase peristalsis and acid secretion
What veins drain the stomach?
gastric vein, which drains into the portal vein
How do pancreatic enzymes enter the duodenum?
through the duodenal papilla
Which part of the small intestine does the most absorption?
Jejunum
Which part of the SI has the larger diameter, larger villi and longer vasa recta?
Jejunum
Which part of the SI has more arterial arcades and more peyers patches?
The ileum
What artery supplies the SI?
Superior mesenteric
What vessel drains the SI?
superior mesenteric vein?
What is the lymphatic drainage that carries fat from the GI called?
lacteals
Where does the lacteal transport fat to?
to the thoracic duct
What are the thickened bands of longitudinal smooth muscle of the large intestine called?
Teniae coli
What are the pouches of colon called?
Haustra
Which parts of the colon are retroperitoneal?
ascending and descending portions
What vascular beds in the anus can cause internal hemorrhages?
rectal venous plexus
What nerve innervates the skeletal muscle of the external anal sphincter?
pudendal nerve
What parts of the large intestine does the superior mesenteric artery supply?
ileocecal area, ascending colon, 1/2 of transverse colon
What parts of the large intestine does the inferior mesenteric artery supply?
1/2 of transverse colon, descending colon, sigmoid colon, rectum
What are three areas of concern for varicosities?
Esophagus, anal canal, umbilicus
Where do parasympathetics that supply the large intestine come from?
S2,3,4 and pelvic splanchnics
What bones make up the nasal aperture?
Nasa, maxilla, Frontal
What makes up the nasal septum?
Vomer, septal cartilage, perpendicular plate of the ethnic bone
What sinus drains the nasal cavity?
Maxillary sinus
Which meatus contains openings of maxillary and ethnical sinuses?
middle meatus