Dartos
/ˈdɑːrtoʊs/
A layer of smooth muscle fibers in the subcutaneous tissue of the scrotum.
Deciduous
/dɪˈsɪdʒuəs/
Relating to teeth that shed at a certain stage of development (baby teeth).
Deferens
/ˈdɛfərənz/
Refers to the Vas Deferens, the duct that conveys sperm from the testicle to the urethra.
Deglutition
/ˌdiːɡluːˈtɪʃən/
The action or process of swallowing.
Deltoid
/ˈdɛltɔɪd/
A large, triangular muscle covering the shoulder joint.
Dendrite
/ˈdɛndraɪt/
A short branched extension of a nerve cell, along which impulses are received.
Dens
/dɛnz/
A tooth-like projection, especially the odontoid process of the second cervical vertebra.
Dentine
/ˈdɛntiːn/
Hard dense bony tissue forming the bulk of a tooth beneath the enamel.
Depressor
/dɪˈprɛsər/
A muscle whose contraction pulls down the part of the body to which it is attached.
Dermis
/ˈdɜːrmɪs/
The thick layer of living tissue below the epidermis which forms the true skin.
Descending
/dɪˈsɛndɪŋ/
Moving downward, such as the descending colon or the descending aorta.
Detrusor
/dɪˈtruːzər/
The smooth muscle of the urinary bladder wall.
Diaphragm
/ˈdaɪəfræm/
A dome-shaped muscular partition separating the thorax from the abdomen.
Diaphysis
/daɪˈæfɪsɪs/
The shaft or central part of a long bone.
Diarthrosis
/ˌdaɪɑːrˈθroʊsɪs/
A type of joint that is freely movable, such as the shoulder or knee.
Diastole
/daɪˈæstəli/
The phase of the heartbeat when the heart muscle relaxes and chambers fill with blood.
Diencephalon
/ˌdaɪɛnˈsɛfəlɒn/
The caudal part of the forebrain, containing the thalamus and hypothalamus.
Digastric
/daɪˈɡæstrɪk/
A muscle with two bellies, specifically one under the jaw.
Digit
/ˈdɪdʒɪt/
A finger or toe.
Digitus
/ˈdɪdʒɪtəs/
The anatomical term for a single finger or toe.
Dilator
/daɪˈleɪtər/
A muscle that opens or widens an orifice or canal.
Distal
/ˈdɪstəl/
Situated away from the center of the body or from the point of attachment.
Diverticula
/ˌdaɪvərˈtɪkjʊlə/
Small pouches or sacs opening out of a hollow organ, like the colon.
Dorsum
/ˈdɔːrsəm/
The back or upper surface of an organ or part (e.g., the back of the hand).
Duct
/dʌkt/
A tube or vessel of the body through which fluids pass.
Ductule
/ˈdʌktjuːl/
A very small duct.
Duodenum
/ˌdjuːəˈdiːnəm/
The first part of the small intestine immediately beyond the stomach.
Dura Mater
/ˈdjʊərə ˈmeɪtər/
The tough outermost membrane enveloping the brain and spinal cord.