University:
Camosun College
Course:
BIOL 252 | Pathophysiology for Nursing 1
Academic year:

2024
Views:

396

Pages:

4
Author:

Aysha A.

Parotid Region P. Gland largest salivary gland., contain serous alveoli. Boundaries.. Ant Post border covered by manbetter laterally of mandible. ramus & medial pterygoidema Post: Mastoid proces SCM talkrally & post belly of digastric medially. que Sup: Ext acoustic meatus Styloglossus Med: Stybid process stylopharyngeus Junior reduserf the Aylohyoid terass nuvis bland Parotid capsule- 1 Parotid Duct 5cm Zygomatic Parotido marse teric investin long, memerge from middle of p.glund open into vestibule of mouth opp 86 to crawn tooth. of upper second molar Course →runs over the massetes btw upper I lower buccal, branches of Jacial nerve; at I ant border of masseter, turns inwards, almost 90° & pierces buccal pad of fat: I buccopharyngeal fuscia & buccinatos musch Deep Middle constrictor -) lingual arbay -→ Genioglossus. - Stylohyoid ligament. Submandibular gland & Duct -: * Mixed glanel * secrdion in floor of oral cority location -Digastaic Ale → Occupies submandibulaa jossa of the mandible up to mylohyoid live opp molar anc premolar beath Maxillary Artery →largest terminal boonch & E.C.A. in the porotid gland. →Arices behind the neck of mandible. Area Supply → Muscles of mastication → Upp& lacer jaw → Nose & paranasal sinuses → Palatı & ear. M.A & H's branches entital fissure The M'A divides into 3 parts 111 mars behind Mandibulas part-111 mess the neck of mandible at lat stoppid mosilbing 2nd.. Alerygoid part stral tempoid le rup/depts 3rd. Derygopalaline suns & enters thu pirygopatalim Jossa a 2 divisions emporal & maxillary Branches of the 8 ports Mandibulan part- (a) despanicular art: It enters the Ext auditory meatives, & supplies. the tympanic memb (octer surface). (6) Ant tympanic art Insupply inner surface of tyoms memef. Middl meningeal art Original from lst part, goas via Jeraman spinosum Enters the cranial post canty. *** (MAIDA) divide into ont & post part- →The ant part divides into branches at Airion (tempo →These cupply the duramathr & inner surface -→ The ant area corresponds to motor area of ar upo vodex of skull. → The post branch mens behind reaches astrion supplies duramater upto the lambda. Applied anal.. → Whenever fracture at plesion leads to musch weaknen can had to extradural halmolo /paralysis "opp sich. in (1) Accessory meningeal art: Via foramen oval to supply the mening E) Inf alveolor art runs docensord, enters mandibular foramen supply premolar te e molar runs forward & Insisive & mental part part Al the branches are muscular branches. (a) Dap lemporal arteries: supply temporalis (2 in numbo, ) (6) Maryspiel 2 in number (1) Manetiric 11 - Buccinator. (MD has BP BP (d) Buccal port Dost! Superior alveolar artery: It enters the moxilb from behind, supplies the molos I premolars maxillary air sinus. (6) Infra orbital ort Entering the inf orbital fissure, the sun shines along the floor of the orbit, and through the infra ortital Joronun runs along the foe. Ant sup' alveolar and - Supply canines & incisors. of upper jow. cireater palatine art upply hard & soft palat (DIG SPA (2) Dharyngeal ant: S'supply the pharynx 4) Ant of plerngail canal: runs in plinggoid canal to supty pharynx. (1)Sphenopalatine ort termination of maalllary artery. ↳astery of epistaxili bluding from nose.