Necturus Textbook questions Flashcards
a distinct ——- —– occurs on the ventral side of the neck where the trunk merges with the head.
gular fold
what is the muscle name that can be found ventrally between the fore-limbs and has a fan shape?
pectoralis
what muscle is just caudal to the pectoralis and runs forward interrupted at regular intervals by myosepta?
rectus abdominus
the —– —– is the connective tissue line that runs down the middle of the rectus abdominus at the central midline
linea alba
just anterior to the pectorlalis is what muscle?
supracoracoideus
the ventral neck muscle is called? remember it lacks the linea alba
rectus cervicis
what small, short muscle lies betweens the supracoracoideus and procoracohumeralis?
omoarcual
what are the two arm muscles?
humeroantebrachialis (anterior)
Coracobrachialis (posterior)
if you make a slit on the median raphe and open the flaps what is beneath?
the pair slender geniohyoid
lateral to the geniohyoids is what?
the large, paired branchiohyoideus
deep between the gill arches is what muscle?
subarcuals
what are the 2 muscles above the external gill slits?
Levators arcuum (anteror) and inserts above the arches Dilator Laryngis is posterior and inserts deeper
above the procoracohumeralis and ventral to the dilator laryngis is 4 muscles starting with the one closest to procoracohumeralis
- pectoriscapularis
- cucullaris
- dorsalis scapulae
- latissimus dorsi
what is the muscle on the dorsal surface of the upper arm?
triceps brachii
along the dorsal and anterior margin of the branchiohyodeus is the lateral edge of the ——— ——–
depressor mandibulae
the adductor mandibulae is found where and can be divided into what 2 muscles?
is found on the top of the head between the eyes and caudal to the eyes.
Levator mandibulae externus is larger
Levator mandibulae anterior is more dorsal on the head and positioned between the 2 eyes
the epaxial muscle of the trunk or above the horizontal septum is what?
dorsalis trunci
superficially the muscle hypaxial or below the horizontal septum is called what?
external oblique
the muscle of the hing leg that is closest to the tail is called what?
pubio-ischio-tibialis
the two muscles surrounding the cloacal gland is called what?
ischiocaudalis is the most inner
Caudocruralis is the most outer
