Biology 351
Squalus Digestive and Respiratory System
Pleuroperitoneal cavity and its contents.
Visceral and parietal serosa
Mesenteries
Liver
Bile duct
Esophagus
Stomach
Pylorus
Spiral valve/ valvular intestine
Spleen
Dorsal/ventral lobe of pancreas
Digitiform gland
Testis/ovary
Kidneys
Archinephric duct in males
Greater omentum or mesogaster
Mesentery proper
Mesocolon
Structure of the digestive organs
Papillae
Rugae
Pylorus
Greater/lesser curvature
Spiral valve
Right/median/left liver lobes
Gall bladder
Bile duct
Oral cavity, pharynx, and respiratory organs.
Primary tongue
Spiracle
Internal gill slits
Gill rakers
Branchial pouch
Parabranchial chamber
External gill slit
Interbranchial septum
Flap valve
Primary gill lamellae
Holobranch
Hemibranch
Pseudobranch
Branchial arch
Heart
A = Liver B = Gall bladder C = Esophagus D = Bile duct E = Testis F = Stomach G = Parietal serosa (ignore H and I) J = Spleen K = Pylorus L = Pancreas (ventral lobe) M = Valvular intestine
Arrow is pointing to the Uterus.
Kidney is below. (not visible)
A = Liver B = Gall bladder C = Esophagus D = Bile duct E = Testis F = Stomach G = Parietal serosa (ignore H and I) J = Spleen K = Pylorus L = Pancreas (ventral lobe) M = Valvular intestine
I = Mandibular cartilage. Visceral arch #1. II = Hyoid arch. Visceral arch #2. III = Branchial arch #1. Visceral arch #3. IV = Branchial arch #2. Visceral arch #4. V = Branchial arch #3. Visceral arch #5. VI = Branchial arch #4. Visceral arch #6. VII = Branchial arch #5. Visceral arch #7.
No labels.
A = Atrium B = Ventricle
I = Mandibular cartilage. Visceral arch #1. II = Hyoid arch. Visceral arch #2. III = Branchial arch #1. Visceral arch #3. IV = Branchial arch #2. Visceral arch #4. V = Branchial arch #3. Visceral arch #5. VI = Branchial arch #4. Visceral arch #6. VII = Branchial arch #5. Visceral arch #7.
Demo shark.
Model shark 1 and 2