. Comparative anatomy of vertebrates. Anatomy, Comparative; Vertebrates -- Anatomy. 76 COMPARATIVE MORPHOLOGY OF VEGTEBRATES. ELASMOBRANCHS have a nearly typical chondrocranium which is never divided into separate elements and is never ossified. The floor is complete, the hypo- physis resting in a sella turcica. Above there is an anterior fontanelle, closed by membrane and a posterior fontanelle may occur. The occipital region typically. FIG. 73.—Ventral and lateral views of the skull of lamprey (Petromyzon marinus), after Parker, ad, anterior dorsal cartilage, bb, branchial basket; gc, gill c
. Comparative anatomy of vertebrates. Anatomy, Comparative; Vertebrates -- Anatomy. 76 COMPARATIVE MORPHOLOGY OF VEGTEBRATES. ELASMOBRANCHS have a nearly typical chondrocranium which is never divided into separate elements and is never ossified. The floor is complete, the hypo- physis resting in a sella turcica. Above there is an anterior fontanelle, closed by membrane and a posterior fontanelle may occur. The occipital region typically. FIG. 73.—Ventral and lateral views of the skull of lamprey (Petromyzon marinus), after Parker, ad, anterior dorsal cartilage, bb, branchial basket; gc, gill cleft; Ic, labial carti- lage; Idm, lateral distal mandibular; Ig, lingual cartilage; nc, nasal capsule; oc, otic capsule; on, optic nerve; pc, pericardial cartilage; pd, posterior dorsal cartilage. n. 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 Kingsley, J. S. (John Sterling), 1854-1929. Philadelphia, P. Blakiston's son & co.
Size: 1915px × 1305px
Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1910, booksubjectanatomy, bookyear1912
