. On the anatomy of vertebrates [electronic resource] . If From a Cooperian preparation of parts of tlie Human mammary gland, injected from six terminal ducts,a, a, and dried, cclxxxiv. straight ducts, a, a, of the nipple. The gland is enclosed in asclerous capsule, fig. 611, a, «, firmest where it is attached to thederm, whence are continued processes into the substance of the 782 ANATOMY OF VERTEBRATES. gland subdividing it, or defining its lobes ; and which, from theirconnection with the tegument, are called ( suspensory processes connect the opposite surface or base of the
. On the anatomy of vertebrates [electronic resource] . If From a Cooperian preparation of parts of tlie Human mammary gland, injected from six terminal ducts,a, a, and dried, cclxxxiv. straight ducts, a, a, of the nipple. The gland is enclosed in asclerous capsule, fig. 611, a, «, firmest where it is attached to thederm, whence are continued processes into the substance of the 782 ANATOMY OF VERTEBRATES. gland subdividing it, or defining its lobes ; and which, from theirconnection with the tegument, are called ( suspensory processes connect the opposite surface or base of the gland 611. From a Cooperian preparation of the sclerous framework and attachments of the Human mammary bristle is passed behind some of the straight or terminal lactiferous ducts, cclxxxiv. with the fascia of the pectoral muscle, b, b. The nipple in thevirgin is a rounded cone and nearly smooth; at sixteen yearsit is slightly wrinkled ; at seventeen it has small papilla3 uponits surface ; from twenty to forty years the papillae are large; from forty to fifty the nip-ple becomes wrinkled; fromfifty to sixty the nipple iselongated ; and in old ageit usually has a warty ap-pearance. When in useits extremity expands andshows the circularly dis-posed conspicuous pores ofthe lacteal ducts. The pa-pillae of the nipple, fig. 612,are directed toward its coloured portion ofskin around the base of thenipple is the areola: itexpands and changes froma reddish colour to a darkbrown, after impregnation. Around the base of the nipple areorifices of complex sebaceous glands. The skin of the areo
Size: 2657px × 941px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, booksubject, booksubjectbirds, booksubjectfishes
