BIOL231 Lab 1: Body Organization and Microscopes

Fill-in-the-blank flashcards covering anatomical cavities, body planes, directional terminology, cell division phases, and compound light microscope components from BIOL231 Lab 1.

The two major body cavities are the __________ body cavity and the ventral body cavity.

dorsal

The thoracic cavity is divided into two pleural cavities and the __________.

mediastinum

The abdominopelvic cavity is divided into the abdominal cavity and the __________ cavity.

pelvic

The dorsal body cavity is composed of the cranial cavity and the __________ cavity.

vertebral

The __________ plane extends vertically and divides the body into right and left parts.

sagittal

The __________ plane lies vertically and divides the body into anterior and posterior parts.

coronal

The __________ plane runs horizontally and divides the body into superior and inferior parts.

transverse

The directional term __________ means toward the head end or upper part of a structure or the body.

superior

The directional term __________ means away from the midline of the body or on the outer side of.

lateral

The term __________ means closer to the origin of the body part or the point of attachment of a limb.

proximal

Two structures located on the same side of the body are described as __________.

ipsilateral

Two structures located on opposite sides of the body are described as __________.

contralateral

In humans, the term anterior is synonymous with __________.

ventral

The term __________ refers to a position toward or at the back of the body.

posterior

The directional term __________ means toward or at the body surface.

superficial

The directional term __________ means away from the body surface or more internal.

deep

Cell division involves two major events: __________ (division of the nucleus) and cytokinesis.

mitosis

Cytokinesis is defined as the division of the __________.

entire cell

During __________, chromosomes are completely condensed, the nuclear membrane begins breaking down, and the mitotic spindle starts to appear.

prophase

Sister chromatids line up along the middle of the cell during __________.

metaphase

During __________, sister chromatids separate and get pulled towards the poles.

anaphase

During __________, chromosomes reach the poles and the nuclear membrane starts to re-form around each group of chromosomes.

telophase

The magnification power of the ocular lens on the compound light microscope is __________.

$$10\text{X}$$

The magnification power of the scanning objective lens is __________.

$$4\text{X}$$

The magnification power of the low power objective lens is __________.

$$10\text{X}$$

The magnification power of the high power objective lens is __________.

$$45\text{X}$$

The magnification power of the oil immersion objective lens is __________.

$$100\text{X}$$

Images viewed through a compound light microscope are __________.

inverted

Magnification and field of view (FOV) are __________ related.

inversely

The maximum area visible when looking through the ocular lens is defined as the __________.

field of view