thorny deep-rooted drought-resistant shrub native to southwestern United States and Mexico bearing pods rich in sugar and important as livestock feed; tends to form extensive thickets

the organic group of acetic acid (CH3CO-)

the organic group of acetic acid (CH3CO-)

the organic group of acetic acid (CH3CO-)

the organic group of acetic acid (CH3CO-)

the organic group of acetic acid (CH3CO-)

the organic group of acetic acid (CH3CO-)

the organic group of acetic acid (CH3CO-)

a joint between the distal end of the radius and the proximal row of carpal bones

a joint between the distal end of the radius and the proximal row of carpal bones