. Biology of the Heteromyidae. Heteromyidae. 272 LAY. Fig. 2. —Middle ear morphology of Dipodomys deserti DML 4637. A. Dorsal view. Arrowheads = buttresses between brain case and roof of epitympanum (left) and surface markings of buttresses on roof of epitympanum (right), large dot = opening between epitympanum and hypotympanum, small dots = partition between epitympanum and mastoid, arrow = occipital, IP = interparietal. B. Ventral view. AC = auditory canal opened ventrally, C = cochlea, H = hypotympanum, M = origin of sternocleidomastoid muscle, O = occipital, r = round window of cochlea, sc
. Biology of the Heteromyidae. Heteromyidae. 272 LAY. Fig. 2. —Middle ear morphology of Dipodomys deserti DML 4637. A. Dorsal view. Arrowheads = buttresses between brain case and roof of epitympanum (left) and surface markings of buttresses on roof of epitympanum (right), large dot = opening between epitympanum and hypotympanum, small dots = partition between epitympanum and mastoid, arrow = occipital, IP = interparietal. B. Ventral view. AC = auditory canal opened ventrally, C = cochlea, H = hypotympanum, M = origin of sternocleidomastoid muscle, O = occipital, r = round window of cochlea, sc = horizontal semicircular canal, small white arrow = head of stapes (note the anterior crus medial to the arrow tip passes into oval window), large white arrow = mastoid cavity (head) and communication between mastoid and hypotympanum (tail), large white arrowheads = anterior and posterior ends of external auditory meatus, small black arrows = canal of stapedial artery on basal turn of the cochlea, black arrowheads = tympanic annulus (internally), * = juncture of right and left hypotympanic chambers ventral to sphenoid, white bar lower right = 1 Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Brown, James H; Genoways, Hugh H. [Stillwater, Okla. ?] : American Society of Mammalogists
Size: 1305px × 1915px
Photo credit: © Library Book Collection / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookcollectionbiodiversity, bookcontributorharv
