



Study with the several resources on Docsity
Earn points by helping other students or get them with a premium plan
Prepare for your exams
Study with the several resources on Docsity
Earn points to download
Earn points by helping other students or get them with a premium plan
Community
Ask the community for help and clear up your study doubts
Discover the best universities in your country according to Docsity users
Free resources
Download our free guides on studying techniques, anxiety management strategies, and thesis advice from Docsity tutors
Mammary Glands, Ectodermal Thickenings, Appocrine Glands, Mammary Gland Development, Post-Natal Breast, Testicular Feminization Syndrome, Mesenchyme Mediated Signaling are parts of this lecture layout.
Typology: Slides
1 / 6
This page cannot be seen from the preview
Don't miss anything!
Modified appocrine glandsMilk Lines – two bands of ectodermal thickenings Cranial to caudal - ventrolateral bodywall Species-specificSupernumerary breast polymastia Supernumerary nipple polythelia
Week 5 - Primary bud = Thickening of epidermal cells –
from ridge Down growth into the dermisTwo Mesodermal components
Fibroblastic cells – controls branching patternFatty cells – controls shape of duct system Week 10-12 - Branching to form many secondary buds
Secondary buds lengthen and branch Ducts canalize to form lactiferous ducts
Birth – 15-25 Lactiferous ducts that open into the
Mammary pit (external opening) Mesodermal proliferation
areola and protruding nipple
(lack of proliferation - inverted nipple)
Testicular FeminizationSyndrome Testosterone receptormutations Mesenchyme mediatedsignaling