Vertebrate Anatomy

1
Vertebrate Anatomy

• Vertebrates are in the phylum Chordata

2
Vertebrate Anatomy I

• Skin and Digestive System

3
Skin model
Hair shaft
Sebaceous (oil) gland
Arrector pili muscle (makes hair stands up)
Sweat gland
epidermis
dermis
hypodermis
4
Skin slide
epidermis
dermis
5
Hairy skin slide
hair
6
Digestive systemEsophagus lining (smoother
version of skin)
7
Digestive systemStomach (gastric pits produce
HCl)
8
Digestive systemSmall intestine (villi and
microvilli increase surface area for absorption
of nutrients)
9
Vertebrate Anatomy I,II and III

• Pig dissection

10
Oral cavity
Hard palate
Soft palate
glottis
tongue
11
Thoracic cavity and abdomen
heart
lung
diaphragm
liver
stomach
12
Abdominal cavity
liver
stomach
pancreas
Small intestine
Large intestine (spiral in pigs)
spleen
13
Abdomen
liver
Gall bladder
stomach
spleen
14
Kidney (cut)
15
Female pig
ovaries
uterus
bladder
Umbilical artery
16
Male pig - testis