True or false: the cisterna chyli is part of the thyroid duct
True!
What two derivatives of the epidermis contain keratin?
hair and nails
What is trebeculae?
irregularly arranged lamellae in spongy bone
what does the endomysium cover?
a muscle fiber
What are the three shunts in fetal circulation?
ductus venosus, foramen ovale, ductus arteriosus
What connective tissue are membranes made of?
Areolar
Which layer of the dermis supplies blood to the hair follicle?
papillary
What is the difference between a tendon and an aponeurosis?
tendon: rope-like
aponeurosis: sheet-like
what is the difference between a cardiac and a skeletal muscle
cardiac is uninucleated, branched, connected by intercalated discs and gap and anchoring junctions
what semilunar valve has oxygenated blood pass through it?
aortic
Is the synovial membrane a tissue or an organ?
Tissue - it is only loose areolar tissue
what are the four receptors in the skin?
DOUBLE POINTS: what are they specifically and what are their functions?
- pressure: nerve endings, pacinian/lamellar corpuscles; pressure
- touch: nerve endings, meissner's corpuscles; touch
- thermoreceptors: nerve endings; sense temp
- nociceptors: nerve endings; sense pain
What vertebra is this: articulates with a bone that has a dens/odontoid process, and has two transverse foramina
C3, cervical vertebra 3
what areas shorten or disappear when a muscle cell contracts?
I and H bands
what is the path of conduction during a heart's contraction?
sinoatrial node > atrioventricular node > Bundle of His > Purkinje fibers
Double layers of areolar connective tissue and simple squamous epithelium
DOUBLE POINTS: which ones are mitotic
- basale and spinosum
what suture is superior to the occipital bone?
lambdoid
Which myofilament has molecules with long tails and globular heads?
DOUBLE POINTS: what proteins make up this structure?
thick myofilament
myosin
What are the three granulated leukocytes?
DOUBLE: What do they do?
phagocytize pathogens, attack parasites, trigger allergic reaction
- B: become plasma cell and produce antibodies
- T: Kill pathogens
what two skin glands are modified sweat glands?
ceruminous and mammary
DOUBLE OR NOTHING: name all 14 facial bones (includes doubles)
- 2 lacrimals
- 2 zygomatic
- 2 nasal
- 2 maxillae
- vomer
- 2 inferior nasal conchae
- mandible
- 2 palatine
What are the level system parts and group action parts in the motion of flexing your forearm?
agonist: biceps brachii
synergist: brachialis and brachioradialis
antagonist: triceps brachii
fulcrum: joint
effort: contraction of muscle
resistance: weight in hand plus weight of forearm
lever: radius
What are all the walls of the pericardium and heart?
fibrous pericardium > parietal pericardium (serous) > visceral pericardium/epicardium (serous) > myocardium > endocardium/endothelium