Anat and Phys practical 2

True ribs

Attached directly to the sternum (1-7))

False ribs

Attach to the sternum through costal cartilage (8-10)

Floating ribs

No attachment to the sternum (11-12)

Ilium

Tuber coxae “hooks”

Ischium

Tuber ischii “pins”

Neuron motor

Mammal cerebellum

Spinal cord

Motor nerve ending

Meissner’s corpuscle

Pacinian corpuscle

Olfactory epithelium

Taste buds

Dura mater

Only present in some of the brains

Cerebrum

Gyri (ridges) and sulci (valleys), longitudinal (sagittal) and transverse fissures

Cerebellum

Arbor vitae on sagittal section

Coordinates motor function

Olfactory bulbs

Process olfactory sensory information

Optic chiasm

Point of which optic nerves cross over

Brainstem

Medulla oblongata

Pons

Midbrain

Medulla oblongata

Transmits info from spinal cord to brain, many vital life functions such as respiration and heartbeat

Pons

Autonomic nervous system, functions like breathing and digestion

Midbrain

Contains motor pathways, pathways for visual and auditory info

Pituitary (hypophysis)

part of the endocrine system

only present on some of the brains

superior and inferior colliculi (corpora quadrigemina)

superior: visual information

inferior: auditory info

pineal body

light/dark cycle

melatonin secretion

ventricles

right and left laterals

3rd and 4th

spaces not structures

corpus callosum

facilitates communication between halves of the brain

fornix

memory and emotion

thalamus

central relay point for info traveling between spinal cord and cerebrum

hypothalamus

area ventral to thalamus

homeostatic center

Brachial plexus

Axillary nerve

Radial nerve

Median nerve

Ulnar nerve

Lumbosacral plexus

Saphenous nerve

Sciatic nerve

Saphenous nerve

major branch of the femoral nerve

runs parallel to femoral artery and vein along medial surface of thigh

found in the connective tissue between the sartorius and gracilis

Sciatic nerve

the large nerve that innervates the caudal musculature of the thigh (hamstring)

Vagus nerve

runs parallel to common carotid artery in thorax