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Anatomy Muscles and Innervation
Match the muscle to the nerve that innervates it
38
Anatomy
Undergraduate 2
08/28/2014

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Cards

Term
Frontalis
Definition
Facial nerve - temporal branch
Term
Orbicularis oculi
Definition
Facial nerve - temporal and zygomatic branches
Term
Orbicularis oris
Definition
Facial nerve - buccal branch
Term
Zygomaticus major
Definition
Facial nerve - zygomatic and buccal branches
Term
Mentalis
Definition
Facial nerve - mandibular branch
Term
Buccinator
Definition
Facial nerve - Buccal branch
Term
Platysma
Definition
Facial nerve - cervical branch
Term
Occipitalis
Definition
Facial nerve - posterior auricular nerve branch
Term
Temporalis
Definition
Mandibular nerve - anterior division - deep temporal nerve branches
Term
Medial pterygoid
Definition
Mandibular nerve - medial pterygoid nerve
Term
Lateral pterygoid
Definition
Mandibular nerve - lateral pterygoid nerve
Term
Levator palpebrae superioris (LPS)
Definition
Oculomotor nerve
Term
Lateral rectus
Definition
Abducens nerve
Term
Medial rectus
Definition
Oculomotor nerve - inferior division
Term
Superior oblique
Definition
Trochlear nerve
Term
Superior rectus
Definition
Oculomotor nerve
Term
Inferior oblique
Definition
Oculomotor nerve
Term
Iliococcygeus
Definition
Levator ani nerve (S4)
Inferior rectal nerve from pudendal nerve (S3, S4)
Coccygeal plexus
Term
Pubococcygeus
Definition
Levator ani nerve (S4)
Inferior rectal nerve from pudendal nerve (S3, S4)
Coccygeal plexus
Term
Puborectalis
Definition
S3, S4
Levator ani nerve
Term
Anal canal
Definition
Autonomic inferior hypogastric plexus (above pectinate line) and somatic inferior rectal nerves (below line)
Term
External anal sphincter
Definition
Branch from S4
Pudendal nerve - Twigs from inferior hemorrhoidal branch
Term
Clitoris
Definition
Dorsal nerve of clitoris
Term
Penis
Definition
Dorsal nerve of penis
Term
Internal urethral sphincter
Definition
Sympathetics from L1-L2 through lumbar splanchnic nerves and inferior hypogastric plexus
Term
External urethral sphincter
Definition
Perineal nerve - deep branch
Term
Scrotum
Definition
Anterior scrotal nerve (ilioinguinal), posterior scrotal nerve (perineal), genital branch of genitofemoral nerve, perineal branches of posterior femoral cutaneous nerve
Term
Cremaster muscle
Definition
Genitofemoral nerve - genital branch
Term
Puborectalis
Definition
S3, S4
Levator ani nerve
Term
Psoas
Definition
Lumbar plexus via anterior branches of L1-L3
Term
Iliacus
Definition
Femoral nerve
Term
Quadratus laborum
Definition
T12, L1-L4
Term
Transversus abdominus
Definition
Thoracoabdominal nn. (T6-T11), Subcostal n. (T12), iliohypogastric nerve (L1), and ilioinguinal nerve (L1).
Term
Sigmoid colon
Definition
Inferior mesenteric ganglia and sacral nerve
Term
Uterus
Definition
Afferent nerves supplying uterus are T11 and T12. Sympathetic supply is from hypogastric plexus and ovarian plexus. Parasympathetic supply is from second, third and fourth sacral nerves.
Term
Piriformis
Definition
Nerve to piriformis (L5, S1, S2)
Term
Sensation to external genitalia, skin around the anus and perineum, external urethral and ext anal sphincters
Definition
Pudendal nerve
Term
Sensory innervation of the skin of the medial aspect of the thigh
Definition
Obturator nerve (L2-L4)
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