| depressor anguli oris | <anatomy, muscle> Origin, lower border of mandible anteriorly; insertion, blends with other muscles in lower lip near angle of mouth; action, pulls down corners of mouth; nerve supply, facial. Synonym: musculus depressor anguli oris, musculus triangularis labii inferioris, musculus triangularis, triangular muscle. (05 Mar 2000) |
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| musculus depressor anguli oris | <anatomy, muscle> Origin, lower border of mandible anteriorly; insertion, blends with other muscles in lower lip near angle of mouth; action, pulls down corners of mouth; nerve supply, facial. Synonym: musculus depressor anguli oris, musculus triangularis labii inferioris, musculus triangularis, triangular muscle. (05 Mar 2000) |
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| musculus levator anguli oris | <anatomy, muscle> Origin, canine fossa of maxilla; insertion, orbicularis oris and skin at angle of mouth; action, raises angle of mouth; nerve supply, facial. Synonym: musculus levator anguli oris, musculus caninus, musculus triangularis labii superioris. (05 Mar 2000) |
| levator anguli oris | <anatomy, muscle> Origin, canine fossa of maxilla; insertion, orbicularis oris and skin at angle of mouth; action, raises angle of mouth; nerve supply, facial. Synonym: musculus levator anguli oris, musculus caninus, musculus triangularis labii superioris. (05 Mar 2000) |
| musculus levator anguli scapulae | <anatomy, muscle> Origin, from posterior tubercles of transverse processes of four upper cervical vertebrae; insertion, into superior angle of scapula; action, raises the scapula; nerve supply, dorsal scapular nerve. Synonym: musculus levator scapulae, elevator muscle of scapula, musculus levator anguli scapulae. (05 Mar 2000) |
| spatia anguli iridocornealis | Irregularly shaped endothelium-lined spaces within the trabecular reticulum, through which the aqueous filters to reach the sinus venosus sclerae. Synonym: spatia anguli iridocornealis, ciliary canals, Fontana's spaces. (05 Mar 2000) |
| ligamentum pectinatum anguli iridocornealis | Pectinate ligaments of iridocorneal angle. See: trabecular reticulum. (05 Mar 2000) |
| cardiac depressor reflex | A fall in blood pressure due to peripheral vasodilation and cardiac inhibition by stimulations of terminations of a cardiac depressor nerve in the aortic arch and base of the heart. Synonym: aortic reflex, depressor reflex. (05 Mar 2000) |
| musculus depressor labii inferioris | <anatomy, muscle> Origin, anterior portion of lower border of mandible; insertion, orbicularis oris musculus and skin of lower lip; action, depresses lower lip; nerve supply, facial. Synonym: musculus depressor labii inferioris, depressor muscle of lower lip, musculus quadratus labii inferioris, musculus quadratus menti. (05 Mar 2000) |
| musculus depressor septi | <anatomy> A vertical fasciculus from the orbicularis oris musculus passing upward along the median line of the upper lip, and inserted into the cartilaginous septum of the nose; action, depresses septum; nerve supply, facial. Synonym: musculus depressor septi, depressor muscle of septum. (05 Mar 2000) |
| musculus depressor supercilii | <anatomy> Fibres of the orbital part of the orbicularis oculi musculus insert in the eyebrow; action, depresses eyebrow; nerve supply, facial. Synonym: musculus depressor supercilii, depressor muscle of eyebrow. (05 Mar 2000) |
| depressor | 1. One who, or that which, presses down; an oppressor. 2. <anatomy> A muscle that depresses or tends to draw down a part. <physiology> Depressor nerve, a nerve which lowers the activity of an organ; as, the depressor nerve of the heart. Source: Websters Dictionary (01 Mar 1998) |
| depressor fibres | Sensory nerve fibre's having pressure-sensitive nerve endings in the wall of certain arteries capable of activating blood pressure-lowering brainstem mechanisms when stimulated by an increase in intra-arterial pressure. (05 Mar 2000) |
| depressor labii inferioris | <anatomy, muscle> Origin, anterior portion of lower border of mandible; insertion, orbicularis oris musculus and skin of lower lip; action, depresses lower lip; nerve supply, facial. Synonym: musculus depressor labii inferioris, depressor muscle of lower lip, musculus quadratus labii inferioris, musculus quadratus menti. (05 Mar 2000) |
| depressor muscle of epiglottis | <anatomy, muscle> Origin, inner surface of thyroid cartilage in common with musculus thyroarytenoideus; insertion, aryepiglottic fold and margin of epiglottis; action, depresses base of epiglottis; nerve supply, recurrent laryngeal. Synonym: musculus thyroepiglotticus, depressor muscle of epiglottis, ventricularis. (05 Mar 2000) |
| depressor muscle of eyebrow | <anatomy> Fibres of the orbital part of the orbicularis oculi musculus insert in the eyebrow; action, depresses eyebrow; nerve supply, facial. Synonym: musculus depressor supercilii, depressor muscle of eyebrow. (05 Mar 2000) |