3 Occipital lymph nodes. Nodi lymphatici occipitales. One to three lymph nodes lying close to the margin of the trapezius. Afferents: scalp, deep cervical muscles. Efferents: deep cervical lymph nodes. A
4 Mastoid [retroauricular] lymph nodes. Nodi lymphatici mastoidei [[retroauriculares]]. Usually two nodes on the mastoid process. Afferents: posterior surface of pinna, posterior wall of external acoustic meatus and corresponding parts of scalp. Efferents: deep cervical lymph nodes. A
5 Superficial partodi lymph nodes. Nodi lym-phatici parotidei superficiales. They lie on the parotid fascia in front of the tragus. Afferents: junction of temporal region and anterior surface of pinna. Efferents: deep cervical lymph nodes. A
6 Deep parotid lymph nodes. Nodi lymphatici parotidei profundi. Group beneath the parotid fascia. Afferents: tympanic cavity, external acoustic meatus, frontotemporal region, eyelids, root of nose, and sometimes the posterior floor of the nose and nasopharyngeal cavity. Efferents: deep cervical lymph nodes. A
7 Preauricular lymph nodes. Nodi lymphatici prae-auriculares. Group located in front of the pinna. A
8 Infra-auricular lymph nodes. Nodi lymphat-ici infra-auriculares. Group beneath the pinna. A
9 Intraglandular lymph nodes. Nodi lymphatici intraglandulares. Group situated directly within the parotid. A
10 Facial lymph nodes. Nodi lymphatici faciales. Variable lymph nodes that receive lymph from the eyelids, nose and the rest of the face and buccal mucosa. Efferents: submandibular lymph nodes. The vessels accompany the facial artery.
11 Buccinator node. [Nodus buccinatorius]. Lymph node situated deep within the buccinator muscle. A
12 Nasolabial node. [Nodus nasolabialis]. Lymph node located below the nasolabial fold. A
13 Malar node. [Nodus malaris]. Superficial lymph node of the cheek.
14 Mandibular node. [Nodus mandibularis]. Lymph node located on the mandible. A
14 a Lingual lymph nodes. Nodi lymphatici linguales. Nodes located on the hyoglossus muscle. They drain lymph from the lower surface and lateral margin to tongue as well as the medial anterior two-thirds of its dorsal surface.
15 Submental lymph nodes. Nodi lymphatici submentales. Nodes between the anterior bellies of the digastric muscles. Afferents: middle of lower lip, floor of mouth and tip of tongue. Efferents: deep cervical and submental lymph nodes. B
16 Submandibular lymph nodes. Nodi lymphatici submandibulares. Nodes between the mandible and submandibular gland that serve as first and second filter stations. Direct afferent area: inner canthus of eye, cheek, side of nose, upper lip, lateral lower lip, gingiva and anterior lateral margin of tongue. Indirect afferents: facial and submental lymph nodes. Effer-ents: deep cervical lymph nodes. B
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This ebook provides an introductory explanation of the workings of the human body, with an effort to draw connections between the body systems and explain their interdependencies. A framework for the book is homeostasis and how the body maintains balance within each system. This is intended as a first introduction to physiology for a college-level course.