324Lecture20 endocrine

324Lecture20 endocrine - Endocrine Glands Endocrine Glands...

Info iconThis preview shows pages 1–9. Sign up to view the full content.

View Full Document Right Arrow Icon
Endocrine Glands
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Endocrine Glands Complex embryological organs: a) ectodermal - amino acid analogues; including catecholamines. b) mesodermal - steroid secretions. c) endodermal - protein (peptide secretions).
Background image of page 2
Hypophysis (Pituitary) Referred to as the "Master Gland" - said to control all endocrine glands-actually controlled by the hypothalamus Complex embryological origin - oral ectoderm and neural ectoderm. Oral ectoderm migrates cranially from roof of the oral cavity forming the Adenohypophysis = anterior pituitary (Rathke's Pouch).
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Hypophysis (Pituitary) Neural ectoderm migrates caudally from the floor of the hypothalamus forming the neurohypophysis = posterior pituitary. - remains connected to floor of hypothalamus. Pituitary is encapsulated in a bony cavity of sphenoid bone = Sella Turcica.
Background image of page 4
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Background image of page 6
Hypophysis (Pituitary)
Background image of page 7

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Adenohypophysis A) Pars Distalis - largest part (~75%); inside a dense capsule (DICT); parenchyma of cuboidal epithelium in Reticular CT and capillary sinuses. - two cell types - Chromophils and Chromophobes.
Background image of page 8
Image of page 9
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 01/04/2012 for the course BIO 324 taught by Professor Crawford during the Spring '09 term at Western Kentucky University.

Page1 / 30

324Lecture20 endocrine - Endocrine Glands Endocrine Glands...

This preview shows document pages 1 - 9. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online