| quadrate muscle of upper lip | Composed of three heads usually described as three separate muscles; they are the caput angulare or levator labii superioris alaeque nasi muscle; caput infraorbitale or levator labii superioris muscle; caput zygomaticum or zygomaticus minor muscle. Synonym: quadrate muscle of upper lip. (05 Mar 2000) |
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| elevator muscle of upper lip | <anatomy, muscle> Origin, maxilla below infraorbital foramen; insertion, orbicularis oris of upper lip; action, elevates upper lip; nerve supply, facial. Synonym: musculus levator labii superioris, caput infraorbitale quadrati labii superioris, elevator muscle of upper lip. (05 Mar 2000) |
| elevator muscle of upper lip and wing of nose | <anatomy, muscle> Origin, root of nasal process of maxilla; insertion, wing of nose and orbicularis oris muscle of upper lip; action, elevates upper lip and wing of nose; nerve supply, facial. Synonym: musculus levator labii superioris alaeque nasi, caput angulare quadrati labii superioris, elevator muscle of upper lip and wing of nose. (05 Mar 2000) |
| tubercle of upper lip | The slight projection on the free edge of the centre of the upper lip at the lower extent of the philtrum. Synonym: tuberculum labii superioris, procheilon, prochilon, tubercle of upper lip. (05 Mar 2000) |
| upper lip | The muscular fold forming the superior border of the mouth. Synonym: labium superius oris. (05 Mar 2000) |
| external lip of iliac crest | The roughened outer margin of the crest that gives attachment to the external oblique and latissimus dorsi muscles above and to the fasciae latae and the tensor fascia lata muscle below. Synonym: labium externum cristae iliacae. (05 Mar 2000) |
| acetabular lip | A fibrocartilaginous rim attached to the margin of the acetabulum of the hip bone. Synonym: labrum acetabulare, acetabular lip, circumferential cartilage, cotyloid ligament, ligamentum cotyloideum. (05 Mar 2000) |
| anterior lip of uterine os | The portion of the vaginal part of the uterine cervix that bounds the ostium anteriorly intervening between the ostium and the anterior vaginal fornix. It is slightly shorter than labium posterius. Synonym: labium anterius ostii uteri. (05 Mar 2000) |
| articular lip | A fibrocartilaginous lip around the margin of the concave portion of some joints. Synonym: labrum articulare, articular lip. (05 Mar 2000) |
| vestibular lip of limbus of spiral lamina | vestibular labium of limbus of spiral lamina |
| glenoidal lip | A ring of fibrocartilage attached to the margin of the glenoid cavity of the scapula to increase its depth. Synonym: labrum glenoidale, articular margin, circumferential cartilage, glenoid ligament, glenoidal lip, ligamentum glenoidale. (05 Mar 2000) |
| medial lip of linea aspera | The medial margin of the linea aspera of the femur that provides attachment for part of the vastus medialis muscle. Synonym: labium mediale lineae asperae. (05 Mar 2000) |
| rhombic lip | The thickened alar plate of the embryonic rhombencephalon. (05 Mar 2000) |
| cleft lip | <embryology, paediatrics> A genetic disorder that results in the failure of fusion in the upper lip. Also seen commonly in association with cleft palate. (13 Nov 1997) |
| posterior lip of uterine os | The portion of the uterine cervix that bounds the ostium posteriorly. It is slightly longer than labium anterius, intervening between the cervical canal and the posterior fornix of the vagina. Synonym: labium posterius ostii uteri. (05 Mar 2000) |