ZOO 3733L - Gross Anatomy Lab I

Dissections of June 3 - 6, 2002

N.B.		In each dissection some names appear in parentheses. These are structures that may not readily be found during your dissection, i.e., look for them but do not spend too much time on them so that you have time to comlete the laboratory. Many of these structures will be exposed more completely in future dissections or are best observed in your atlas. Also, there will be important structures listed that are not found in your dissector (Hansen, 1998); information about these items can be found in your text (Jenkins, 1998; Moore & Agur, 2002; Stern, 1997).

IV. BILE PASSAGES, CELIAC TRUNK AND PORTAL (Ch. 2, pp. 29-33)

splachnology
	gall bladder
		cystic duct
	right & left hepatic ducts
	common hepatic duct
	[common] bile duct
	pancreas
		(main pancreatic duct)
	duodenum
		major duodenal papilla
		(hepatopancreatic ampulla and sphincter)

angiology
	portal vein
		splenic v
		superior mesenteric v
	inferior mesenteric v
	celiac trunk
		left gastric a
		splenic a
		common hepatic a
			gastroduodenal a
				[right gastric a - not on exam]
			proper hepatic a
				left & right hepatic aa
	[left and righ gastro-omental (gastro-epiploic) aa - not on exam]

V. SUPERIOR AND INFERIOR MESENTRERIC VESSELS (Ch. 2, pp. 33-34)

Dissection notes

In this section use your dissector to find the origin of the three unpaired branches of the abdominal aorta which supply the abdominal viscera.

angiology
	celiac trunk
	superior mesenteric a
		intestinal aa
			(vasa recta)
		ileocolic a
		right colic a
		middle colic a
	inferior mesenteric a
		[marginal a - not on exam]
		left colic a
		sigmoidal aa
		superior rectal a
	superior mesenteric v
	inferior mesenteric v

VI. REMOVAL OF ABDOMINAL VISCERA (Ch. 2, pp. 35-9)

Dissection notes

In this section incise the organs to observe the internal structures listed below.

splachnology
	small intestine
		plica circularies
		duodenum
			major duodenal papilla
			(hepatopancreatic ampulla and sphincter)
	large intestine
		ileocecal valve
		plicae semilunares
	stomach
		rugae
		pyloric sphincter
	liver
		coronary ligament
			(trianugular ligaments)
		lobes:  right, left, quadrate, caudate
		porta hepatis
			portal vein
			left and right bile ducts
			left and right hepatic aa
		hepatic vv

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