| plexus cavernosi concharum | Erectile tissue in the mucous membrane covering the conchae of the nasal cavity. Synonym: plexus cavernosi concharum, corpus cavernosum conchae. (05 Mar 2000) |
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| plexus cavernosus | <anatomy> The portion of the internal carotid plexus in the cavernous sinus. Synonym: plexus cavernosus, Walther's plexus. (05 Mar 2000) |
| plexus cervicalis | A network of nerve fibres originating in the upper four cervical spinal cord segments. The cervical plexus distributes cutaneous nerves to parts of the neck, shoulders, and back of the head, and motor fibres to muscles of the cervical spinal column, infrahyoid muscles, and the diaphragm. (12 Dec 1998) |
| plexus choroideus | <radiology> Formed by the invagination of ependyma into ventricles CP of lateral and third ventricles are continuous, extends posteriorly to temporal horn, 3rd and two lateral ventricles continuous at interventricular foramen CP of fourth ventricle is seperate, shape of a T, vertical limb extends from near Magendie's foramen to the fastigium, horizontal limbs project into cerebellopontine angle cisterns the glomus is a localised enlargement of CP, found at the posterior part of the floor of the ventricle (12 Dec 1998) |
| plexus choroideus ventriculi lateralis | The vascular fringe that projects from the choroidal fissure into each lateral ventricle. Synonym: plexus choroideus ventriculi lateralis. (05 Mar 2000) |
| plexus choroideus ventriculi quarti | One of two vascular fringes of pia mater projecting on either side from the lower part of the roof of the fourth cerebral ventricle. Synonym: plexus choroideus ventriculi quarti. (05 Mar 2000) |
| plexus choroideus ventriculi tertii | The double row of vascular projections from the undersurface of the tela choroidea where it roofs over the third ventricle. Synonym: plexus choroideus ventriculi tertii. (05 Mar 2000) |
| plexus coccygeus | A small plexus formed by the fifth sacral and the coccygeal nerves; it gives origin to the anococcygeal nerves. Synonym: plexus coccygeus. (05 Mar 2000) |
| plexus coeliacus | coeliac (nervous) plexus |
| plexus coronarius cordis | The continuation of the cardiac plexus onto the coronary arteries. Synonym: plexus coronarius cordis. (05 Mar 2000) |
| plexus deferentialis | An autonomic plexus on the seminal vesicle and ampulla of the ductus deferens on each side, derived from the inferior hypogastric plexus. Synonym: plexus deferentialis. (05 Mar 2000) |
| plexus dentalis inferior | Formed by branches of the inferior alveolar nerve interlacing before they supply the teeth; it gives off interior dental branches to the teeth and inferior gingival branches to the gums. Synonym: plexus dentalis inferior. (05 Mar 2000) |
| plexus dentalis superior | Formed by branches of the infraorbital nerve, it gives off superior dental branches to the upper and superior gingival branches to the gums. Synonym: plexus dentalis superior. (05 Mar 2000) |
| plexus entericus | The autonomic plexus in the wall of the intestine; it consists of three parts, submucosal, myenteric, and subserosal; ganglionic cells are scattered through the myenteric and submucosal plexus. Synonym: plexus entericus. (05 Mar 2000) |
| plexus femoralis | An autonomic plexus surrounding the femoral artery, derived from the iliac plexus. Synonym: plexus femoralis. (05 Mar 2000) |